WO2002065710A1 - Digital content distribution system and its apparatus - Google Patents
Digital content distribution system and its apparatus Download PDFInfo
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- WO2002065710A1 WO2002065710A1 PCT/JP2002/001217 JP0201217W WO02065710A1 WO 2002065710 A1 WO2002065710 A1 WO 2002065710A1 JP 0201217 W JP0201217 W JP 0201217W WO 02065710 A1 WO02065710 A1 WO 02065710A1
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- distribution
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
- H04L45/123—Evaluation of link metrics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/63—Routing a service request depending on the request content or context
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/14—Multichannel or multilink protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
Definitions
- the present invention relates to a digital content distribution system for distributing digital content to a user via a plurality of transmission paths. More specifically, the present invention relates to a digital content distribution system that, under a condition set for each transmission path to be used, according to a user's selection. The present invention relates to a digital content distribution system that distributes digital content. Background art
- FIG 16 shows an example of a digital content distribution system (hereinafter, abbreviated as “distribution system”) that has been practically used on the Internet.
- the conventional distribution system DC c is a provider of digital content (hereinafter abbreviated as “content”), a source for storing the content, and is used for storing and distributing.
- the distribution apparatus 11c can use a plurality of transmission paths L1 to Lm (m is an arbitrary integer), and the terminal apparatus 12c also has a plurality of transmission paths L1 to Lm.
- the routes L1 to Ln (where n is any integer) are available.
- Various usage conditions are set for each of the plurality of transmission lines L1 to Ln. For example, transmission rates or usage charges by time of day Are set finely.
- the distribution device lie and the terminal device 1 2c are required to share at least two transmission lines L a and L b (l ⁇ a ⁇ b ⁇ m, b ⁇ n). This will be specifically described.
- the transmission line La will be referred to as a first transmission line
- the transmission line Lb will be referred to as a second transmission line, if necessary.
- the user uses the transmission line La or Lb whose connection conditions are favorable among the first transmission line La and the second transmission line Lb, and uses the distribution device 1 1 c To request content distribution. For example, if the user makes a content distribution request using the first transmission path L a, the distribution device 11 c does not know that the user can also use the second transmission path L b, Is inevitably performed via the first transmission line La. In order to show this relationship, in FIG. 16, the first transmission line L a is shown by a solid line, and the second transmission line L b is shown by a dashed line.
- the distribution device 11c distributes the content D to the user by using the first transmission line La that has received the distribution request Cc of the user.
- the plurality of transmission paths L are not limited to the first transmission path La and the second transmission path Lb, but are shared by an innumerable number of users or distribution devices.
- the digital content distribution device 11c or a specific transmission path L in this example, the first transmission The traffic on the road La may fall into a congested state.
- a digital content distribution system that performs only scheduled distribution, which is distributed after a predetermined time has elapsed, instead of immediate distribution, which is distributed immediately after receiving a content distribution request Cc from a user, is disclosed in It is proposed in Japanese Patent Publication No. 1 0—66053. Further, when the content distribution apparatus is in a congested state after receiving the distribution request, the digital content notifying the user of the congestion state and prompting the user to change from the immediate distribution to the reserved distribution. A system has been proposed in Japanese Patent Application Laid-Open No. H10-13816.
- the former method of reservation distribution is inconvenient for users who want to obtain digital content immediately. Furthermore, in the case of changing from immediate delivery to reserved delivery in the latter case of congestion, if there is no congestion, the content will be immediately delivered to the user who may have reserved delivery from the beginning of the request. This is not preferable from the viewpoint of the efficiency of use of the transmission path.
- Different use conditions can be set individually for each of the plurality of transmission lines L1 to Ln that can be used in common between the user (terminal device 12c) and the content provider (distribution device 11c). is there.
- Some of these common transmission lines L1 to Ln include, for example, a connection from a user (terminal device 12c) to a content provider (distribution device 11c), and a content having a small data size. Some are suitable for exchanging distribution request / acceptance data, while others are suitable for distribution of content with large data size.
- various distribution conditions can be set according to the degree of congestion of the distribution device 11c or the transmission line L used for distribution at the content distribution time desired by the user. Highly desirable from the viewpoint of load averaging and effective utilization.
- the burden on the distribution system and the price to be paid by the user for the burden on the distribution system be finely distinguished and set for the distribution form corresponding to each of the various distribution conditions.
- the user can control the distribution device 11c by the terminal device 12c. Only the choice of immediate delivery or reserved delivery is provided only for the transmission path L 'used when connecting to 11c. Therefore, in the present invention, a distribution form and distribution conditions are individually set for each of a plurality of transmission paths that can be commonly used by the content provider and the user, and the user can digitally operate in any of the set distribution forms and distribution conditions.
- the purpose is to provide a digital content distribution system that receives content distribution.
- the present invention has the following features to achieve the above object.
- a first digital transmission / reception device capable of transmitting / receiving digital data via a first plurality of transmission paths, and transmitting / receiving digital data via a second plurality of transmission paths.
- a digital content distribution system for exchanging digital content with a second digital transmitting / receiving device is provided.
- a first digital transmission / reception device a first transmission path identification information generating unit that generates first transmission path identification information indicating each of the first plurality of transmission paths;
- a first transmission unit that transmits the first transmission line identification information to the second digital transmission / reception device via any one of the first plurality of transmission lines
- the second digital transmission / reception device detects a transmission path common to the first plurality of transmission paths from the second plurality of transmission paths based on the first transmission path identification information, and A second transmission line identification information generating unit for generating identification information;
- a distribution condition setting unit for setting distribution conditions of digital content for each of the common transmission paths.
- digital content can be distributed to transmission paths that can be used in common between transmission and reception under distribution conditions set individually.
- the second digital transmission / reception device transmits outgoing information including a distribution band, a distribution time, and a distribution delay time of digital content distributed for each common transmission path.
- An on-demand distribution determination unit that generates comparison result information by comparing the transport information with the threshold value in the previous period
- a distribution request processing unit for transmitting a plurality of types of charging information for timing and distribution.
- the unloading information management unit determines whether or not immediate delivery of digital content is possible through a common transmission path.
- FIG. 1 is a schematic diagram illustrating a configuration of a digital content distribution system according to an embodiment of the present invention and illustrating a flow of information at the time of reservation distribution.
- FIG. 2 is a schematic diagram showing a flow of information at the time of immediate distribution in the digital content distribution system shown in FIG.
- FIG. 3 is a block diagram schematically showing the configuration of the terminal device shown in FIG.
- FIG. 4 is an explanatory diagram of reservation distribution order information exchanged between the distribution device and the terminal device in the digital content distribution system shown in FIG.
- FIG. 5 is a block diagram schematically showing the configuration of the distribution device shown in FIG.
- FIG. 6 is an explanatory diagram of the transmission line interface management information generated by the transmission status management unit of FIG.
- FIG. 7 is an explanatory diagram of content distribution condition information at the time of reservation distribution managed by the distribution destination management unit of FIG.
- FIG. 8 is an explanatory diagram of content distribution condition information at the time of immediate distribution managed by the distribution destination management unit of FIG.
- FIG. 9 is an explanatory diagram of a distribution threshold managed by the threshold holding unit of FIG.
- FIG. 10 is an explanatory diagram of customer information managed by the customer information management unit of FIG.
- FIG. 11 is an explanatory diagram of distribution information managed by the content information management unit in FIG.
- FIG. 12 is an explanatory diagram of customer billing information managed by the billing management unit of FIG.
- FIG. 13 is a sequence chart showing a content distribution operation in the digital content distribution system shown in FIG.
- Fig. 14 shows an example of a distribution method list displayed in the distribution condition confirmation unit in Fig. 3.
- FIG. 14 shows an example of a distribution method list displayed in the distribution condition confirmation unit in Fig. 3.
- FIG. 15 is an explanatory diagram showing an example of a request ID and a transmission line identifier managed by the reservation information management unit of FIG.
- FIG. 16 is a block diagram schematically showing the configuration of a conventional digital content distribution system. BEST MODE FOR CARRYING OUT THE INVENTION
- the distribution system D C ⁇ according to the present invention is similar to the conventional distribution system D C c shown in FIG.
- the distribution device 11 c and the terminal device 12 c in the distribution system DC c are replaced with the distribution device 11 p and the terminal device 12 p, respectively.
- the distribution device 11c and the terminal device 12c can be connected by a plurality of transmission lines L (first transmission line La and second transmission line Lb). Uses only one transmission line L (first transmission line L a).
- the distribution system DC p the point that the distribution device 1 lp and the terminal device 12 p can be connected by a plurality of transmission lines L (the first transmission line L a and the second transmission line L b) is as follows. It is the same as the distribution system DCc. However, in the distribution system DCp, with regard to the distribution of the content D, all of the plurality of transmission paths L (the first transmission path La and the second transmission path Lb) are determined by the respective transmission paths. It can be used in the delivery mode set in.
- the content provider (the distribution device 11p) needs to know all the transmission lines L that can be used in common with the user (the terminal device 12p). For this reason, the user (terminal device 12 p) must use the user (terminal device 12 p) at least when connecting to the content supplier (distribution device 11 p) to request content distribution. Notify the supplier (distribution device lip) of all available transmission lines Ll to Ln. Then, the content provider (distribution device lip) transmits the transmission line L (the first transmission line) that can be used in common among all the transmission lines L1 to: Ln notified from the user (the terminal device 12p).
- various delivery modes of the content D and delivery conditions corresponding thereto are presented to the user (terminal device 12p).
- the user selects a desired one from the presented distribution forms and distribution conditions, and receives distribution of the content D in the selected form and conditions.
- the distribution device 11 p (content supplier) and the terminal device 12 p (user) have the first use condition in which different use conditions are set.
- the point that at least the distribution device lip (contents provider) recognizes that the transmission line L a and the second transmission line L b can be used in common is that the conventional distribution device 11 c and terminal device 12 c This is a very different point.
- the distribution device 11 p and the terminal device 12 p mutually recognize the transmission line L that can be used in common. The following briefly describes the operations of the content distribution request, the content distribution request reception, and the content distribution in the distribution system DC p.
- the user operates the terminal device 12 p to use the one of the first transmission line L a and the second transmission line L b whichever is more convenient for the use condition, and Connect to lip and make content distribution request.
- the user transmits the distribution request information Rp including the available transmission line information Ii indicating all the transmission lines L available to the terminal device 12p to the distribution device 11c.
- the transmission path L indicated by the available transmission path information Ii includes at least a first transmission path La and a second transmission path Lb.
- the present invention when a user can use a plurality of terminal devices 12 p, it is needless to say that all the transmission lines L available through the plurality of terminal devices 12 p are shown.
- the distribution device 1lp can use the transmission line L indicated by the available transmission line information Ii for the content desired by the user or the distribution of the content D that can be provided by the distribution device 11p. Are set for various distribution modes for each of the first transmission line La and the second transmission line Lb that the distribution device 11p can use. Is transmitted to the terminal device 12p.
- the delivery condition information P p includes the delivery times such as immediate delivery and reserved delivery, the first transmission path La and the second transmission path Lb, and the content for each combination of the delivery time and the used transmission path. Delivery price is included.
- the distribution device 11p actually checks the congestion state of the transmission line indicated by the available transmission line information Ii included in the distribution request information Rp, and the distribution device 11p Set the distribution time appropriately according to the status and the processing load status of the distribution request already accepted.
- delivery within a specified time after the request is received is called immediate delivery
- delivery at a predetermined time after the request is received at a specified time after Tp is called reservation delivery
- Delivery at an undefined time after time T p is called delayed delivery.
- the connection between the terminal device 12 p and the distribution device 11 p is not interrupted while receiving the content distribution from the distribution request, and the transmission path L used for the distribution request is Also used for content distribution.
- the terminal device 12 p and the delivery device 11 p are disconnected while receiving the content delivery from the delivery request, and the transmission path L ( It is assumed that a transmission path L (second transmission path Lb) different from the first transmission path L a) is used for content distribution.
- the transmission path L connected between the distribution request and the content distribution may be changed.
- the transmission path L connected between the delivery request and the content delivery may be the same, and if the transmission path L is unified, the connection must be disconnected. Needless to say, there is nothing.
- the terminal device 12p Based on the distribution condition information Pp transmitted from the distribution device 11p, the terminal device 12p transmits a plurality of transmission lines L (in this example, the first transmission line La and the A distribution condition including a content distribution fee and the like set for each distribution mode, which is composed of a combination with a distribution time, for each of the transmission paths L a) is presented to the user.
- the user operates the terminal device 12p to select a condition that can be agreed upon among the presented distribution conditions (distribution condition information Pp), and generates content ordering information Sp indicating content ordering, Distribution device 1 1 Sends to p.
- Content ordering information Sp The information includes at least the content selected by the user, the transmission path (any one of the first transmission path La and the second transmission path Lb), and the distribution time.
- the distribution time includes at least two types of reservation distribution and immediate distribution.
- the subsequent processing is different between the case of the reserved delivery (including the delayed delivery) and the case of the immediate delivery. Therefore, the content ordering information Sp at the time of the reserved delivery (including the delayed delivery) and at the time of the immediate delivery is If necessary, they are respectively identified as reservation delivery order information S pt and immediate delivery content order information S pr.
- FIG. 1 described above shows the flow of information and data of the distribution system DCp at the time of reservation distribution
- FIG. 2 shows the flow of information and data of the distribution system Dcp at the time of immediate distribution.
- the user operates the terminal device 12p to generate the reservation distribution order information Spt and transmits it to the distribution device 11p.
- the distribution device 11p generates reservation distribution order information Apt for confirming the reception of the reservation distribution of the content selected by the user based on the reservation distribution order information Spt, and transmits it to the terminal device 12p.
- the reservation delivery order information Apt includes at least the content to be delivered, the transmission path L to be used (the second transmission path Lb in this example), and the scheduled delivery time Tt.
- the above-mentioned distribution request information Rp, distribution condition information Pp, reservation distribution order information Spt, and reservation distribution order information Apt are collectively referred to as reservation distribution start order information Ipt.
- the instant delivery order information Ipr, the reservation delivery order information Ipt, and the immediate delivery order information Ipr are collectively referred to as the content order information Ip.
- the delivery device 11p receives the delivery transmission path securing confirmation Lc from the terminal device 12p, and receives the content selected by the delivery user. After confirming that the selected transmission path L has been secured, the content is delivered to the terminal device 12p.
- the content selected by the user is distributed to the terminal device 12p via the transmission path L selected by the user.
- the user orders the content D by exchanging the reservation delivery order information Ipt using the first transmission line La. Then, at the scheduled time after the order, the content D is distributed using the second transmission path Lb.
- the delivery request information R ⁇ ⁇ which constitutes the reservation delivery order information I pt, the delivery condition information P p, the reservation delivery order information S pt, It goes without saying that the first transmission line a and the second transmission line Lb may be selectively used according to various conditions in each unit of the reservation delivery order information Apt.
- the processing at the time of immediate distribution is the same as the processing at the time of the above-mentioned reserved distribution until the distribution condition information P p is transmitted from the distribution device 11 p to the terminal device 12 p as shown in FIG. Then, the user operates the terminal device 12 p based on the distribution condition information P p to generate the immediate distribution content order information S pr instead of the reservation distribution order information S pt and the subsequent processing is different. . That is, the delivery device 1 lp generates the immediate delivery order confirmation information Apr based on the immediate delivery content ordering information Spr, and transmits it to the terminal device 12 p.
- the immediate delivery order confirmation information Apr includes at least the content to be delivered and the transmission path L to be used (the first transmission path La) as in the case of the reservation delivery order information Apt.
- the delivery device 11p Based on the immediate delivery request included in the immediate delivery content ordering information Spr, the delivery device 11p generates the reception Rea ( 17 request 11) instead of the scheduled delivery time Tt,
- the reception R eady request R r is transmitted to the user via the transmission path L (in this example, the second transmission path L b) that uses the terminal apparatus 12 p for content distribution. It is a signal that requests connection and preparation for receiving content.
- the terminal device 12p secures the connection with the selected transmission path L (in this example, the second transmission path Lb) and receives the content D.
- reception preparation completion Wr is transmitted to the distribution device 11p via the transmission line L (second transmission line Lb) in which the connection is secured.
- the distribution device 11p transmits the content D to the terminal device 12 using the transmission path L (the second transmission path Lb in this example) for which the connection has been secured. Send to p.
- immediate distribution issuing order information Ipr In the immediate distribution, the above-mentioned distribution request information Rp, distribution condition information Pp, immediate distribution content ordering information Spr, and immediate distribution order confirmation information Apr are collectively referred to as immediate distribution issuing order information Ipr. Also, the reservation delivery order information Ipt and the immediate delivery order information Ipr are collectively referred to as content order information Ip.
- the delivery request information R p of the instant delivery order information I pr, the delivery condition information P p, the immediate delivery content order information S pr, and the immediate delivery It exchanges the order confirmation information Apr to order the content D, and exchanges the ready-to-receive Wr and the content D using the second transmission line Lb.
- the respective units of the distribution request information Rp, the distribution condition information Pp, the immediate distribution content ordering information Spr, the immediate distribution order confirmation information Apr, and the reception ready Wr which constitute the immediate distribution order information Ipr
- the fact that the first transmission line L a and the second transmission line L b may be selectively used according to various conditions is the same as in the case of the above-described reservation distribution.
- the same transmission line L may be used for the exchange of the immediate delivery order information Ipr and the distribution of the content D. That is, in the present invention, the user can arbitrarily set the transmission path L from a plurality of transmission paths in which the distribution device lip and the terminal device 12 p can be commonly used and different distribution conditions are set, according to the respective conditions. Available to choose.
- FIG. 3 shows the configuration of the terminal device 12p.
- the content holding unit 32 stores the digital content D distributed from the distribution device lip, and outputs the stored content D to a predetermined device such as a display device.
- the distribution condition confirmation unit 44 preferably includes display means such as a monitor and input means such as a keyboard, and is used by a user to request the distribution device 11 p to distribute the content D. .
- the distribution condition checking unit 44 based on the user's operation, determines the distribution request processing unit 43, the information transmission / reception unit 42, the first transmission path interface 41-A, and the second transmission path interface 41-11B. And exchanges the distribution device 11 p with the reservation distribution order receiving information I pt including various information relating to the content distribution desired by the user.
- the reservation delivery order information Ipt includes a user condition ID u which the user notifies or requests to the content provider, and distribution condition information indicating the content provision condition which the content supplier provides to the user. It is roughly divided into three types: ID s and delivery transmission path securing confirmation L c.
- the user condition ID u includes the above-described distribution request information Rp and the reservation distribution order information Spt.
- the distribution request information R p includes the user It includes notification information Ii that informs the user of environmental conditions and request information Ir that the user requests the content provider to distribute the content.
- the notification information Ii includes at least user identification information Iu identifying the user, user terminal identification information Tu identifying the terminal device 12p used by the user, and all the transmission paths ( Hereinafter, this information is referred to as “user transmission line Lu”.
- the user is connected to the request destination identification information Ird that specifies the content supplier (distribution device 11p) for inquiring the content distribution conditions, and to the content provider (distribution device 11p).
- the connection transmission identification information Ir1 that specifies the transmission path, and the distribution conditions of the content that can be distributed to the content provider (available transmission path L, distribution form, available content 0, distribution time, and distribution)
- a delivery condition request I rc requesting the presentation of the price.
- the reservation delivery order information Spt is selected by the user from among the delivery conditions (available transmission path L, delivery form, available content D, delivery time, and delivery price) presented by the delivery device 11p.
- Selected delivery mode information IF s to indicate the delivery mode selected delivery line information IL s to indicate the transmission path, selected scheduled delivery time IT s to indicate the delivery time, selected content information to indicate the content to be delivered IC s and selective distribution price information IC s indicating the distribution price.
- the distribution condition information IDs includes the distribution request information Rp and the reservation distribution order information Apt.
- the distribution request information Rp is details of content distribution conditions that the content provider can provide to the user, and is generated based on the notification information Ii output from the user.
- the delivery condition information P p contains delivery transmission line identification information IL d that can be used by the content provider in common with the user to distribute the content D, and delivery form identification information IF that can be used for each of the delivery transmission line identification information IL d d, scheduled delivery time IT d for each delivery mode, delivery content identification information IC d ′ representing the content D that can be provided, and delivery fee information IC p for the content D for each delivery mode.
- the reservation distribution order information Apt is information for confirming the content distribution conditions specified by the user, and is generated based on the reservation distribution order information Spt output from the user.
- the reservation delivery order information Spt includes received delivery condition information IAc indicating the received delivery condition, and a delivery transmission path securing request ILr.
- the reception distribution condition information IA c has basically the same contents as the reservation distribution order information S pt.
- the distribution transmission path securing request ILr is transmitted to the user by a transmission path (selection transmission transmission path information) used for distributing the content D before a predetermined time before the scheduled distribution time (selected distribution scheduled time IT s). This signal requests confirmation that IL s) has been secured.
- the user When requesting content distribution, the user first operates the distribution condition confirmation unit 44 to input the distribution request information RP of the above-mentioned user condition ID u to the distribution request processing unit 43, Connect to the desired distribution device 1 lp and request presentation of content distribution conditions.
- the distribution device l ip (content supplier) generates distribution condition information P p based on the distribution request information R p output from the terminal device 12 p (user), and outputs it to the terminal device 12 p.
- the user checks the contents of the distribution condition information P p returned from the distribution device 1 1P (content supplier) by the distribution condition confirmation unit 44, and operates the distribution condition confirmation unit 44 to place a reservation distribution order.
- the information Spt is generated and transmitted to the distribution device lip (content supplier) again.
- the content supplier generates the reservation delivery order information A pt based on the reservation delivery order information S pt transmitted from the terminal device 12 p in order to confirm the content of the user's distribution request, and generates the terminal device Return to 1 2 p.
- the delivery device 11p delivers the content D under the delivery conditions specified by the user on condition that the delivery transmission path securing confirmation Lc is received.
- the delivery request processing unit 43 Unit 431, protocol management unit 432, terminal information management unit 433, and reservation information management unit 434 As shown in FIG. 3, the delivery request processing unit 43 Unit 431, protocol management unit 432, terminal information management unit 433, and reservation information management unit 434.
- the distribution request processing unit 43 including these components will be described later in detail.
- the distribution device 1 1 p includes an information transmission / reception unit 21, a distribution request processing unit 22, an on-demand distribution determination unit 23, a threshold storage unit 24, a customer information management unit 25, a content information management unit 26, and a charge management.
- Unit 27 transmission control unit 28, first transmission line interface (illustrated as "I / FA”) 29-A, 2nd transmission line interface (shown as “I / FB”) 29-B, distribution destination management unit 30, transmission status management unit 31, and content holding unit 32.
- the content holding unit 32 designates holding of various types of digital contents represented by movies and music, and outputs the requested content D to the transmission control unit 28.
- the transmission control unit 28 controls the operations of the distribution destination management unit 30 and the content holding unit 32 based on a distribution request Rdc from a distribution request processing unit 22 described later. That is, the transmission control unit 28 reads the content D from the content holding unit 32 and supplies the content D to the information transmitting / receiving unit 21. Further, based on the distribution request Rdc, the transmission control unit 28 transmits the selected communication path information IRS indicating which communication path to use to transmit the content D read from the content holding unit 32, to the information transmission / reception unit 2. Output for 1.
- the transmission control unit 28 calculates the usage rate, the distribution time, or the distribution delay time of the content holding unit 32 from the transmission status of the content D to be distributed, and distributes the content based on the calculated utilization rate and the distribution delay time. It outputs a reservation distribution instruction CDt for causing the destination management unit 30 to execute the reservation distribution.
- the first transmission path interface 29-A is used as a communication interface using the first transmission path La, and calculates the utilization rate of the communication path with the network 122A.
- the first transmission line utilization rate R u A is generated.
- the second transmission path interface 29-B is used as a communication interface using the second transmission path Lb, and calculates the utilization rate of the communication path with the network 12-B. Then, a second transmission line utilization rate R u B is generated.
- the information transmitting / receiving section 21 is connected to a first transmission path interface 29 -A, a second transmission path interface 29 -B, a distribution request processing section 22, and a transmission control section 28.
- the information transmission / reception unit 21 exchanges a delivery command Cd for a delivery request of the content D with the delivery request processing unit 22. Then, based on the distribution command Cd, the content D supplied from the transmission control unit 28 is transferred to either the first transmission path interface 29 A or the second transmission path interface 29 B. Output to one side.
- the transmission status management unit 31 is connected to the first transmission line interface 29 -A, the second transmission line interface 29 -B, and the transmission control unit 28.
- the transmission status management unit 31 includes a first transmission path interface 29-A and a second transmission path interface.
- the transmission status management unit 31 Based on the first transmission path utilization rate RuA and the second transmission path utilization rate RuB input from each of the aces 29—B, the first transmission path interface 29-1A and the second transmission path A transmission path interface control information I ru for controlling the use of each of the interfaces 29-B is generated and output to the transmission control unit 28. That is, the transmission status management unit 31 has a function of managing the utilization rate, distribution time, or distribution delay time of the content holding unit 32 calculated by the transmission control unit 28.
- FIG. 6 shows an example of the transmission line interface management information Iru generated by the transmission status management unit 31.
- the “all band” available for each of the two types of transmission lines with the transmission line identifier Lid of CLa and CLb, and the “used band” currently used among the “all bands” It is shown.
- “all bands” column “Ba11A” means “BandallA”, that is, the entire band of the transmission line (CLa).
- “B a11 allb” means the entire band of the transmission line L (CLb).
- “Bused A” means a band used in the entire band of the transmission path L (CLa), and “Bused
- FIG. 7 shows an example of the content distribution condition information I dst (t) at the time of reservation distribution.
- the ID (C id) of the content to be reserved for distribution the ID (L id) of the transmission path L to be used, and the ID (CU id) of the distribution destination customer are grouped. It is prepared for you.
- FIG. 8 illustrates content distribution condition information I ds t (r) for the content to be distributed immediately.
- the threshold storage unit 24 is used to determine whether or not the content can be delivered immediately.
- the distribution threshold information Ith including the threshold of the utilization rate of the communication path between the network 12 and the network 12-B.
- the distribution threshold Th is supplied to the on-demand distribution determination unit 23.
- FIG. 9 shows an example of the distribution threshold Ith managed by the threshold holding unit 24.
- the distribution threshold value I th stores information serving as a basis for determining whether or not the transmission band is a usable band that allows immediate distribution for each transmission path.
- the thresholds Th indicating that two types of transmission lines L ID and L ID of the transmission line L are CLa and CLb can be immediately distributed are A and B, respectively.
- the customer information management unit 25 transmits from the terminal device 12 which is input through the first transmission line interface 29-A, the second transmission line interface 29-B, the information transmitting / receiving unit 21, and the distribution request processing unit 22. Based on the notification information Ii included in the distribution request information RP included in the user condition ID u, the customer (terminal device 12p) who is required to distribute the contents such as the transmission paths available to the user (terminal device 12p) Generate and manage information I cst.
- FIG. 10 shows an example of the customer information I sct managed by the customer information management unit 25.
- the transmission paths (CL a, CL b) that can be used respectively are communication paths, and the notification information I i It is generated and managed based on.
- the content information management unit 26 stores in advance the distribution information Ict for each distribution form (transmission line L, distribution time) of the content D that can be provided by the distribution device 1lp. Then, in response to the distribution request Irq from the distribution request processing unit 22, the stored distribution information Ict reads out the charging information IC corresponding to the distribution condition, and outputs it to the charging management unit 27.
- FIG. 11 shows an example of the distribution information Ict managed by the content information management unit 26.
- two types of contents with content IDs (Cid) of 0100 and 0101 use communication channel A (CLa) and communication channel B (CLb), respectively.
- the delivery charges IC ar and IC br at the time of immediate delivery and the delivery charges IC at and IC bt at the time of reservation delivery are exemplified.
- the bandwidth BWa of the first transmission line La is of two types, lOMbs and 8Mbs, and 10Mbs can be used for the first content (Cid: 01 00). Yes, 8Mb s is available for the second content (C id: 0 10 1).
- the immediate delivery fee (ICaR) is ⁇ 400 and the reserved delivery fee (ICaT) is ⁇ 30, regardless of the band and content. Fixed to 0.
- the bandwidth is fixed at 4 Mb s
- the instant delivery fee (IC a R) is fixed at ⁇ 300
- the first content (C id: 0100) is , ⁇ 200
- a reservation delivery fee (ICbT) is not set for the second content (Cid: 0101). This means that the second transmission path Lb does not provide the reservation delivery service for the second content.
- the billing management unit 27 manages billing information for each customer based on the billing information I output from the content information management unit 26, generates customer billing information Ich, and outputs it to the distribution request processing unit 22. .
- FIG. 12 shows an example of the customer billing information I ch managed by the billing management unit 27.
- the customer billing information Ichh an identifier Cid of the content to be delivered, a delivery form (T), a delivery start time (ITs), and a billing (IC) are specified for each customer Cid.
- T delivery form
- ITs delivery start time
- IC billing
- the on-demand distribution determination unit 23 has a function of comparing the utilization rate, distribution time, or distribution delay time of the content storage unit 32 managed by the transmission status management unit 31 with the distribution threshold Th stored in the threshold storage unit 24, It has a function to compare with transmission line interface management information I ru including the utilization rate of the communication path with the network 12 -A managed by the transmission status management unit 31.
- the on-demand distribution determination unit 23 compares the distribution threshold Th supplied from the threshold holding unit 24 with the transmission line interface management information I ru input from the transmission status management unit 31 and determines the current user Based on the transmission load of all transmission paths L that can be used in common with (terminal device 1 2 p), the time required to start distribution is calculated based on the processing load of distribution device lip, and the comparison result is obtained. Generate information I j. This comparison result information I j is output to the distribution request processing unit 22.
- the distribution request processing unit 22 determines whether or not the content can be immediately distributed based on the comparison result information I j input from the on-demand distribution determination unit 23 (immediate distribution is possible). Judge. Then, if it is determined that distribution is possible immediately, the distribution request processing unit 22 determines, for a communication path that can be used for distribution, an identifier of the communication path and an immediate distribution content indicating a price in the case of immediate distribution. It requests charging information I chr and reservation distribution content charging information I cht indicating the price in the case of reservation distribution.
- the instant delivery content charging information I chr and the reservation distribution content charging information I cht are collectively referred to as charging information I c.
- the distribution request processing unit 22 performs the reservation distribution or the delayed distribution based on the identifier of the communication path that can be used in common with the user and the calculated time required to start the distribution. Is set, and a content transmission request R dc for requesting the terminal device 12 p that has requested distribution of the content accounting information in that case is output to the information transmitting / receiving unit 21.
- the request is sent to the terminal device 12 p requested by the transmission control unit 28 to request the transmission of the content D.
- the content distribution sequence in the distribution system DC p includes a distribution request sequence SQ 100 executed by the user operating the terminal device 12 p and a distribution device lip on the content supplier side.
- the delivery request sequence SQ100 includes a delivery condition inquiry sequence SQ110, a delivery request sequence SQ120, a delivery transmission path securing confirmation, and a sequence SQ130.
- the distribution sequence SQ200 is composed of a distribution condition creation preparation sequence SQ210, a distribution condition presentation sequence SQ220, a distribution request acceptance confirmation sequence SQ230, a content distribution sequence SQ240, and a charging sequence. Includes SQ250.
- the content distribution sequence is as follows. First, in the distribution condition inquiry sequence SQ110, the user operates the terminal device 12p to generate distribution request information Rp (user condition ID u). Then, it is started by transmitting to the distribution device 11p. Specifically, the user processes the distribution request of the terminal device 12p. By operating the unit 43, the user condition ID u is generated and output to the control unit 431. The control unit 431 instructs the protocol management unit 432 to request distribution condition information based on the user condition ID u.
- Protocol manager 4 32 obtains the customer ID (CU id) from the terminal information management unit 433, based on pro Toco one resolver one John and customer ID, and generates the request information I r as the distribution information request message . Then, the distribution request processing unit 43 instructs to transmit the request information Ir, for example, via the first transmission path interface 411-1A. As a result, the request information Ir is transmitted to the distribution device 11p as the distribution request information Rp together with the notification information Ii.
- CU id customer ID
- the distribution request processing unit 43 instructs to transmit the request information Ir, for example, via the first transmission path interface 411-1A.
- the request information Ir is transmitted to the distribution device 11p as the distribution request information Rp together with the notification information Ii.
- the distribution device lip transmits information on a transmission path that can be used in common with the user (terminal device 12p) based on the distribution request information Rp transmitted from the terminal device 12p. And other customer information I cst is generated. Then, in the distribution condition presentation sequence SQ220, the distribution device 11p generates distribution condition information Pp based on the customer information Icst. Then, by transmitting the distribution condition information Pp to the terminal device 12p, the conditions of the content distribution service that can be provided to the user are presented.
- the delivery condition inquiry sequence SQ110 the delivery request information Rp (user condition I Du) transmitted from the terminal device 12p is transmitted to the first transmission line interface 29—A (the 1) and arrives at the distribution request processing unit 22 via the information transmission / reception unit 21.
- the distribution request processing unit 22 supplies the notification information Ii included in the distribution request information Rp to the customer information management unit 25 to generate the customer information Icst. Furthermore, the content ID (Cid) and the customer ID (Cuid) are notified to the on-demand distribution determination unit 23, and an inquiry is made as to whether or not immediate distribution is possible for each transmission path L available to the user. Based on the customer ID (CU id), the on-demand distribution determination unit 23 searches the customer information I cst read from the customer information management unit 25 for a transmission line L that can be shared with the user. The on-demand distribution determination unit 23 further includes a content information management unit 2 From 6, the charging information ICa for the content ID (Cid) is acquired, and it is determined whether or not immediate distribution is possible for each of the available transmission paths L.
- Whether or not immediate delivery is possible on the first transmission line La by the on-demand distribution determination unit 23 is determined according to the following equation (1), and whether or not immediate delivery is possible on the second transmission path Lb is according to the following equation (2). Is determined.
- comparison result information I j is generated, and the determination result is notified to the distribution request processing unit 22 for each transmission path L available to the user.
- the distribution request processing unit 22 determines the purge of the protocol included in the user condition ID u and, based on the determined version, determines the distribution form of the terminal device 12p (immediate distribution is possible / reservation distribution is possible. Check whether transmission line L is available).
- the distribution form of the distribution device 11p is roughly classified into the following two cases.
- the terminal device 12 p is fixed to one transmission line, and a plurality of transmission lines L cannot be freely selected and used.
- the terminal device 12p can freely select and use a plurality of transmission paths. Further, the terminal devices 1 2 p in Case 1 and Case 2 are further classified into the following three types, respectively.
- the terminal devices 1 2 p in case 1 are classified into three types as follows. Class 1-1-1 can only be delivered immediately, Class 1-2 can be reserved if immediate delivery is not possible, and Category 1-3 is available for both immediate delivery and reserved delivery .
- the processing of the distribution request processing unit 22 for the terminal device 12p in each category will be described below.
- the terminal device 12p can only deliver immediately, so if the comparison result information Ij indicates that immediate delivery is possible, the delivery request processing unit 22
- the delivery condition information Pp includes a content ID (Cid) and a customer ID (CUid), a purchase identifier (Pid (r)) set for immediate delivery, and charging information (ICa ( r))).
- the distribution request processing unit 22 sets the content ID (C id) and the customer ID (CU id) and the distribution impossible as distribution condition information P p. Notify.
- the terminal device 12p can perform reservation delivery if immediate delivery is not possible, so if the comparison result information Ij indicates that immediate delivery is possible, a delivery request
- the processing unit 22 includes, as distribution condition information Pp, a content ID (Cid) and a customer ID (CUid), a purchase identifier (Pid (r)) set for immediate distribution, and charging information IC. a (r)) and immediate delivery.
- the distribution request processing unit 22 sets the content ID (C id) and the customer ID (CU id) as the distribution condition information Pp, Notify the purchase identifier (Pid (t)), the billing information (ICa (t)), and the reservation distribution that are set.
- the terminal device 12p can perform both immediate distribution and reservation distribution, so if the comparison result information I ⁇ indicates that immediate distribution is possible, the distribution request processing unit Reference numeral 22 denotes delivery condition information P p as content ID (C id) and customer ID (CU id), purchase identifier (P id (r)) set for immediate delivery, and billing information IC a (r ) And instant delivery. Further, for reservation delivery, the content ID (Cid) and the customer ID (CUid), the purchase identifier (Pid (t)), the billing information ICa (t), and the reservation delivery are notified.
- the purchase identifier (Pid (t)) and the billing information ICa (t) notified for reservation delivery are the purchase identifier (Pid (r)) and the billing information ICa ( r) is set separately from that described with reference to Figs. 7, 8, and 11.
- the terminal device 1 2 p that can freely select a plurality of transmission paths L in Case 2 is also classified into three types as follows.
- Category 2-1 can only be delivered immediately, Category 2-2 can be reserved if immediate delivery is not possible, and Category 2-3 is available for both immediate delivery and reserved delivery .
- unit 22 for the terminal device 12p in each classification will be described.
- the terminal device 1 2 p can only perform immediate distribution. Therefore, if the comparison result information I j indicates that immediate distribution is possible, the distribution request processing unit 22 transmits the distribution condition information.
- the distribution condition information As P p, the content ID (C id) and customer ID (CU id), the purchase identifier (P id (r 1)) set for immediate delivery, and the billing for the first transmission line La Information (IC a (r 1)) and the purchase identifier (P id (2 r)) and billing information (IC a (2 r)) set for immediate use for the second transmission line L b And notify.
- the comparison result information I j indicates that only one of the first transmission line L a and the second transmission line L b can be immediately distributed in the classification 2-1.
- the purchase identifier (Pid (r)) and the billing information (ICa (r)) set for immediate delivery with respect to the transmission path L are notified.
- the terminal device 12 p can perform the reservation delivery if the immediate delivery is not possible, so if the comparison result information I j indicates that the immediate delivery is possible, the distribution request
- the processing unit 22 uses the content ID (C id) and the customer ID (CU id) as the distribution condition information P p and the first transmission path La and the second transmission path Lb for immediate distribution, respectively.
- the purchase identifier (Pid (1r)) and the charge information (ICa (1r)) set as the purchase identifier (Pid (2r)) and the billing information (ICa (2r)) And notify.
- the comparison result information I j indicates that only one of the first transmission path La and the second transmission path Lb is available for immediate distribution in category 2-2
- the purchase identifier (Pid (r)) and the billing information (ICa (r)) set for immediate delivery and the immediate delivery are notified with respect to the transmission line L.
- the purchase identifier (Pid (t)) and the billing information (ICa (t)) set for the reserved delivery and the reserved delivery are notified.
- the distribution request processing unit 22 sets the distribution condition Information PP: Content ID (C id) and Customer ID (CU id) Purchase identifier (P id (I t)) and billing information (IC a (I t)) and purchase identifier (P id (2 t)) and billing information (IC a (2 t)) set for reserved delivery ) Is notified.
- Distribution condition Information PP Content ID (C id) and Customer ID (CU id) Purchase identifier (P id (I t)) and billing information (IC a (I t)) and purchase identifier (P id (2 t)) and billing information (IC a (2 t)) set for reserved delivery ) Is notified.
- the terminal device 12p can perform both immediate delivery and reservation delivery. Therefore, if the comparison result information Ij indicates that immediate delivery is possible, the delivery request processing unit 22 is the delivery condition information P p as content ID (C id) and customer ID (CU id), and content ID (C id (1 r)) and customer ID (CU id (1 r)), the purchase identifier (Pid (1r)), the billing information (ICa (1r)), and the immediate delivery, and the purchase identifier (Pid (Ir t)), charging information (ICa (It)), purchase identifier (Pid (2t)), charging information (ICa (2t)), and reservation delivery.
- the comparison result information I j indicates that only one of the first transmission path La and the second transmission path Lb is available for immediate distribution in category 2-3.
- the purchase identifier (Pid (t)) and billing information (ICa (t)) set for immediate delivery with respect to the transmission line L and the immediate delivery are notified.
- the purchase identifier (Pid (t)) and charging information (ICa (t)) set for reserved distribution and the reserved distribution are notified.
- the distribution request processing unit 22 sets the distribution condition Information P p includes a content ID (C id) and a customer ID (CU id), a purchase identifier (P id (I t)) set for reservation distribution, and billing information (
- the terminal device 12p receives the above-mentioned distribution condition information Pp transmitted from 11p, and the contents of the distribution conditions are confirmed by the distribution condition confirmation unit 44, and a desired distribution condition is selected. Generate reservation delivery order information Spt. Then, by transmitting this reservation distribution order information S pt to the distribution device 11p, Request distribution of content D.
- the distribution condition information P p (distribution condition information ID s) transmitted from the distribution device 11p is transmitted to the distribution request processing unit 4 via the first transmission line interface 411A and the information transmission / reception unit 4, for example. Input to the protocol management section 4 3 2 of 3.
- the protocol management unit 4 3 2 transmits the distribution line identification information IL d, the distribution mode identification information IF d, the scheduled distribution time IT d, the distribution content identification information IC d, and the distribution included in the received distribution condition information P p.
- the information of the price information ICp is notified to the control unit 431. '
- the control unit 43 based on the information (P p) input from the protocol management unit 432, causes the distribution condition confirmation unit 44 to display a distribution method list as illustrated in FIG.
- the user decides what to request for distribution with reference to this list of distribution methods, and operates the distribution condition confirmation unit 44 to select a purchase identifier (Pid) corresponding to the distribution request.
- An operation signal indicating the user's purchase identification (R Qid) is output from the distribution condition confirmation unit 44 to the control unit 431 of the distribution request processing unit 43.
- the control unit 4331 detects the purchase identifier (Pid) selected by the user, and notifies the protocol management unit 4332.
- the protocol management unit 432 generates reservation delivery order information Spt based on the purchase identifier (Pid) and the customer ID (CUid), and transmits the information transmission / reception unit 4 2 and the first transmission path interface 4 1 Output to the distribution device 11p via the first A or the second transmission line interface 411B.
- the delivery device 1 1p receives the booking delivery order information A based on the booking delivery order information S pt transmitted from the terminal device 12p. Generate pt. Then, by transmitting the reservation distribution order information Apt to the terminal device 12p, the content provider confirms the reception of the user's content distribution request. In the case of reserved delivery, the delivery device 11p sends a delivery transmission channel reservation request ILr to the terminal device 12p specified by the user a predetermined time before the scheduled scheduled delivery time ITs. Then, the user is requested to confirm that the transmission path L used for distribution of the content D is secured by the user.
- the delivery transmission path securing request IL r may be omitted.
- the reservation delivery order information S pt (user condition ID u) transmitted from the terminal device 12p is transmitted via the first transmission path interface 29—A or the second transmission path interface 29—B and the information transmitting / receiving section 21. Arrives at the distribution request processing unit 22.
- the distribution request processing unit 22 detects the purchase identifier (Pid) and the customer ID (CU id) from the arrived reservation distribution order information Spt, and requests whether the user requests immediate distribution or reservation distribution.
- the distribution request processing unit 22 sends the content distribution condition information I dst (t) to the distribution destination management unit 30. Is output and the reservation is registered.
- the content distribution condition information Idst (t) is as described with reference to FIG.
- the distribution request processing unit 22 outputs the content distribution condition information I dst (r) to the distribution destination management unit 30 and immediately Register for distribution.
- the content distribution condition information I dst (r) has also been described with reference to FIG.
- the distribution request processing unit 22 generates the reservation distribution order information Apt (distribution condition information ID s; distribution content information Id) and outputs it to the transmission control unit 28.
- the transmission control unit 28 transmits the reservation delivery order information Apt to the first transmission line interface 29A and the second transmission line interface.
- the message is transmitted to the terminal device 12p via any one of B2 and B1.
- the delivery transmission channel securing confirmation sequence SQ130 in the delivery transmission channel securing confirmation sequence SQ130, the delivery transmission channel securing request included in the reservation delivery order information A pt transmitted from the delivery device 1 1 p
- the transmission device 1 transmits the transmission transmission line securing confirmation Lc to the distribution device 1 lp.
- the reservation distribution order information Apt (distribution condition information ID s; distribution content information Id) transmitted from the distribution device 11p arrives at the protocol management unit 432.
- the protocol management unit 432 temporarily stores the purchase identifier (Pid) and the selected distribution transmission when the reservation distribution order information Spt is generated.
- the control unit 431 accepts the distribution to the distribution condition confirmation unit 44 based on the request ID (RQ id), the transmission line identifier Lid, the reservation distribution, and the charging information IC notified from the protocol management unit 4 32. Display the contents.
- the reservation information management unit 434 stores the request ID (RQ id) transmission path identifier L id.
- FIG. 15 shows an example of a request ID (RQ id) and a transmission line identifier Lid managed by the reservation information management unit 434.
- the control unit 431 confirms the presence of the request ID (RQ id) notified to the reservation information management unit 434. If the existence is confirmed, when the transmission of the delivery transmission path securing confirmation Lc is instructed to the protocol management unit 4332, the friend mark and the accumulation of the content D to be distributed to the content holding unit 46 are instructed.
- the distribution device 1 lp transmits the content D in response to the distribution transmission path securing confirmation Lc transmitted from the terminal device 12 p.
- the delivery request processing unit 22 detects the request ID (RQ id) from the delivery transmission path securing confirmation Lc.
- the customer ID '(CU id), content ID (C id), and delivery form information (IF) are read out by searching the inside of the distribution destination management unit 30 using the same request ID (RQ id). Then, the charge management unit 27 is notified and the charge management relating to the content distribution to be started from now on is enabled.
- the distribution request processing unit 22 instructs the transmission control unit 28 on the content ID (Cid) of the content to be distributed and the transmission path L to be used.
- the transmission control unit 28 reads the specified content D from the content holding unit 32 and instructs the information transmission / reception unit 21 to distribute it via the specified transmission path L.
- the transmission status management unit 31 updates the used band of the transmission path L to be used.
- the charging sequence SQ250 when the transmission of the content D is completed, customer charging information Ich is generated, the distributed content is charged to the user, and the process is terminated.
- the content D to be distributed is provided with marks indicating the start and end, and by detecting these marks, the content storage processing unit 45 causes the content storage unit 46 to perform the operation of storing the content D in the content holding unit 46. Control.
- the content accumulation processing unit 45 When detecting the end of the accumulation of the content D in the content holding unit 46, the content accumulation processing unit 45 notifies the control unit 431 of the end of the accumulation together with the request ID (RQ id).
- control unit 431 requests the reservation information management unit 434 to delete the request ID (RQ id), and the reservation information management unit 434 follows the request. In this way, the content distribution in the distribution system D CP is completed.
- the notification information is transmitted when the user makes a second or subsequent distribution request or inquiry.
- the customer ID C uid
- various transmission conditions can be set according to the degree of congestion for each transmission path commonly used by the user and the content provider, so that the load on the resources of the content distribution system is reduced. Averaging and effective utilization.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02712333A EP1303089A4 (en) | 2001-02-14 | 2002-02-14 | DISTRIBUTION SYSTEM FOR DIGITAL CONTENTS AND ITS DEVICE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001-36529 | 2001-02-14 | ||
| JP2001036529 | 2001-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002065710A1 true WO2002065710A1 (en) | 2002-08-22 |
Family
ID=18899793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2002/001217 Ceased WO2002065710A1 (en) | 2001-02-14 | 2002-02-14 | Digital content distribution system and its apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20030147414A1 (ja) |
| EP (1) | EP1303089A4 (ja) |
| KR (1) | KR100786508B1 (ja) |
| CN (1) | CN1203644C (ja) |
| WO (1) | WO2002065710A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2850226B1 (fr) * | 2003-01-17 | 2005-05-13 | Pushmessenger | Procede de presentation d'etat d'un utilisateur utilisant plusieurs equipements de communication |
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| JP2002009971A (ja) * | 2000-06-20 | 2002-01-11 | Nec Corp | インターネットに係るビジネス方法 |
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| US5802502A (en) * | 1993-05-24 | 1998-09-01 | British Telecommunications Public Limited Company | System for selective communication connection based on transaction pricing signals |
| US5557320A (en) * | 1995-01-31 | 1996-09-17 | Krebs; Mark | Video mail delivery system |
| US5875175A (en) * | 1997-05-01 | 1999-02-23 | 3Com Corporation | Method and apparatus for time-based download control |
| US5898668A (en) * | 1996-12-13 | 1999-04-27 | Siemens Information And Communication Networks, Inc. | Method and system for increasing quality of service at or below a threshold cost |
| JP3545154B2 (ja) * | 1997-01-29 | 2004-07-21 | 三菱電機株式会社 | データ配布方法およびデータ配布装置 |
| US6118780A (en) * | 1997-03-17 | 2000-09-12 | International Business Machines Corporation | Communication network and method of operation for real time user selection of voice and/or data paths in the network |
| US6104720A (en) * | 1997-04-28 | 2000-08-15 | Intel Corporation | Dynamic communication path selection for data transmission between computers |
| US6594682B2 (en) * | 1997-10-28 | 2003-07-15 | Microsoft Corporation | Client-side system for scheduling delivery of web content and locally managing the web content |
| US6597684B1 (en) * | 1997-12-24 | 2003-07-22 | Nortel Networks Ltd. | Distributed architecture and associated protocols for efficient quality of service-based route computation |
| AU771091B2 (en) * | 1998-06-19 | 2004-03-11 | Juniper Networks, Inc. | Device for performing IP forwarding and ATM switching |
| US6084874A (en) * | 1998-06-30 | 2000-07-04 | Storage Technology Corporation | Temporary data transfer connections |
| DE69920893T2 (de) * | 1999-07-13 | 2006-03-09 | International Business Machines Corp. | Berichtigung der Verbindungsbandbreite auf der Basis der Beobachtung der Belegung der Ressourcen des Netzes |
| WO2001056244A1 (en) * | 2000-01-26 | 2001-08-02 | Sony Corporation | Data transmission system |
| US7177857B2 (en) * | 2000-11-24 | 2007-02-13 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for creating distribution content |
| US20020080719A1 (en) * | 2000-12-22 | 2002-06-27 | Stefan Parkvall | Scheduling transmission of data over a transmission channel based on signal quality of a receive channel |
| JP2002207930A (ja) * | 2001-01-05 | 2002-07-26 | Seiko Epson Corp | コンテンツ配信サービスにおける債務分配システム、課金システム、債務分配方法及び記憶媒体 |
| CN1582575A (zh) * | 2001-09-05 | 2005-02-16 | 松下电器产业株式会社 | 索引信息生成设备、内容呈现设备、和内容呈现系统 |
| US7596627B2 (en) * | 2001-12-18 | 2009-09-29 | Cisco Technology, Inc. | Methods and apparatus for network congestion control |
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2002
- 2002-02-14 KR KR1020027013641A patent/KR100786508B1/ko not_active Expired - Fee Related
- 2002-02-14 WO PCT/JP2002/001217 patent/WO2002065710A1/ja not_active Ceased
- 2002-02-14 EP EP02712333A patent/EP1303089A4/en not_active Withdrawn
- 2002-02-14 CN CNB028002806A patent/CN1203644C/zh not_active Expired - Fee Related
- 2002-02-14 US US10/257,263 patent/US20030147414A1/en not_active Abandoned
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| JPH01101759A (ja) * | 1987-10-14 | 1989-04-19 | Nec Corp | セッション制御方式 |
| JPH0423647A (ja) * | 1990-05-18 | 1992-01-28 | Mitsubishi Electric Corp | パケット交換網通信方式 |
| JPH05284184A (ja) * | 1992-04-01 | 1993-10-29 | Canon Inc | 通信方法及びそのデータ通信装置 |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP1303089A1 (en) | 2003-04-16 |
| CN1203644C (zh) | 2005-05-25 |
| CN1457579A (zh) | 2003-11-19 |
| EP1303089A4 (en) | 2009-09-09 |
| US20030147414A1 (en) | 2003-08-07 |
| KR20020093035A (ko) | 2002-12-12 |
| KR100786508B1 (ko) | 2007-12-17 |
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