WO2009094919A1 - Method, device and system for diagnosing whether nodes are abnormal or not in p2p network - Google Patents
Method, device and system for diagnosing whether nodes are abnormal or not in p2p network Download PDFInfo
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- WO2009094919A1 WO2009094919A1 PCT/CN2009/070105 CN2009070105W WO2009094919A1 WO 2009094919 A1 WO2009094919 A1 WO 2009094919A1 CN 2009070105 W CN2009070105 W CN 2009070105W WO 2009094919 A1 WO2009094919 A1 WO 2009094919A1
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- node
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
Definitions
- the present invention relates to the field of network communications, and in particular, to a method, apparatus, and system for diagnosing whether a node is abnormal in a peer-to-peer network.
- Peer-to-peer is a distributed, network participant that shares some of the hardware resources they have, such as processing power, storage capacity, network connectivity, printers, etc. Resources need to be provided by the network to provide services and content, and can be directly accessed by other peer nodes Peer without going through intermediate entities. Peer is both a resource provider and a resource acquirer in P2P. P2P breaks the traditional client/server
- Each node acts as a server, provides services for other nodes, and enjoys the services provided by other nodes.
- P2P systems include structured P2P systems, unstructured P2P systems, and loosely structured P2P systems.
- Structured P2P system is characterized in that all nodes have a fixed-length logical address, use this logical address and according to the distribution hash table DHT (Distributed Hash)
- Algorithm rules form all logical nodes into a logical overlay network.
- Algorithm rules form all logical nodes into a logical overlay network.
- distributed hash table Distributed Hash Table
- each node is responsible for storing a segment of the resource index table, the resource index table and the node's own logical address have a unique mapping according to the DHT algorithm rules, in the resource lookup, also according to the DHT algorithm rules
- the lookup message is forwarded to the storage node corresponding to the resource index in a manner that the hop is gradually approached in the P2P network.
- the forwarding method of this hop-and-hop approach is as follows. Assume that A1 is an abnormal node, A2 is another abnormal node, S is the originating node, D is the destination node, and M1 and M2 are normal nodes in the normal path. . Suppose S has a request and the normal path that needs to pass is S. ⁇ M1 ⁇ A1 ⁇ M2 ⁇ D, where Ml, Al, M2, D are called the downstream nodes of the initiating node S, due to
- Al is an abnormal node. Therefore, after A1 receives the request forwarded from M1, it can discard the request, modify the request, or not send it to M2, and send it to other abnormal nodes, such as another abnormal node A2, etc., A1 Discard the request forwarded by M1.
- embodiments of the present invention provide a method, apparatus, and system for diagnosing whether a node is abnormal in a peer-to-peer network, and the method, device, and system can know whether a node is an abnormal node. , which in turn limits the number of messages or requests that pass through the exception node.
- a specific embodiment of the present invention provides a method for diagnosing whether a node is abnormal in a peer-to-peer network, the method comprising:
- the response message sent by the node corresponding to the diagnostic message it is determined that the node is a normal node, otherwise the node is determined to be an abnormal node; the response message includes the downstream node Confirm the message.
- Embodiments of the present invention provide an apparatus for diagnosing whether a node is abnormal in a peer-to-peer network, the apparatus comprising:
- a sending unit configured to send a diagnostic message with a message identifier to be detected
- a receiving unit configured to receive, by the node, a response message corresponding to the diagnostic message, where the response message includes an acknowledgement message of the downstream node;
- the determining unit is configured to determine whether the receiving unit receives the confirmation message. If the confirmation message is received, the node is determined to be a normal node, otherwise the node is determined to be an abnormal node.
- a specific embodiment of the present invention provides an intermediate node device, where the device includes:
- receiving unit And configured to receive a diagnostic message with an identifier to be detected, receive information sent by other nodes, and an acknowledgement message sent by the downstream node and information of the downstream node;
- a sending unit configured to: after the receiving unit receives the information sent by the other node, reply the confirmation message and the information of the intermediate node, and forward the information sent by the other node to the downstream node of the intermediate node After receiving the diagnosis message, the receiving unit sends a response message corresponding to the diagnosis message, where the response message includes the confirmation message and information of the downstream node.
- a specific embodiment of the present invention provides a system for diagnosing whether a node is abnormal in a peer-to-peer network, the system including
- the source node is configured to send a diagnostic message with a to-be-detected message identifier and a response message corresponding to the diagnostic message sent by the intermediate node or the destination node, and determine whether the node is abnormal according to the response message;
- the intermediate node is configured to receive the diagnostic message, and send a response message corresponding to the diagnostic message, where the response message includes information of a downstream node of the node and an acknowledgement message of the downstream node;
- the intermediate node is configured to receive information sent by the other node, and after receiving the information sent by the other node, reply the confirmation message and the information of the intermediate node, and forward the information sent by the other node; Receiving the diagnostic message, and transmitting a response message corresponding to the diagnostic message, where the response message includes information of a downstream node of the node and an acknowledgement message of the downstream node.
- the technical solution of the embodiment of the present invention determines whether the learned node is a normal node by using a diagnostic message, so as to know whether the node is an abnormal node, thereby limiting the message passing through the abnormal node or The number of requests, improve the forwarding success rate of messages or requests in the P2P system.
- FIG. 1 is a flow chart of a method for diagnosing whether a node is abnormal according to an embodiment of the present invention.
- FIG. 2 is a flow chart of a method for diagnosing whether a node is abnormal in a peer-to-peer network according to an embodiment of the present invention.
- FIG. 3 is a structural diagram of an apparatus for diagnosing whether a node is abnormal in a peer-to-peer network according to an embodiment of the present invention.
- FIG. 4 is a structural diagram of an intermediate node device according to a specific embodiment of the present invention.
- FIG. 5 is a structural diagram of a system according to an embodiment of the present invention. [32] Mode for carrying out the invention
- Embodiments of the present invention provide a method of diagnosing whether a node is abnormal in a peer-to-peer network.
- Step 11 Send a diagnostic message with the identifier of the message to be detected;
- the to-be-detected message identifier in the step may be: a message label of the to-be-detected message, such as a hash value of the to-be-detected message; or a peer-to-peer network identifier of the to-be-detected message and a processing identifier Peer ID + Transaction ID,
- the specific embodiment of the present invention does not limit the specific form of the message identifier, and only needs the message identifier to enable the node to distinguish the to-be-detected message corresponding to the diagnostic message.
- Step 12 Determine whether a response message corresponding to the diagnosis message sent by the node is received, the response message includes an acknowledgement message of the downstream node, and if the response message is received, determine the The node is a normal node, otherwise it is determined that the node is an abnormal node.
- the response message may further include information of a downstream node of the node.
- the downstream node of the node in this step is the next node in the node's transmission path.
- the step 12 can be implemented by the following method: after receiving the information forwarded by the previous node, the node replies with the confirmation message and the information of the node, and the reply message of the reply carries the signature of the node, and forwards the The received information, after forwarding the information, receives the confirmation message sent by the downstream node and the information of the downstream node, and receives the confirmation message sent by the downstream node and the information of the downstream node, and stores the diagnosis with the identifier of the to-be-detected message. After the message, the confirmation message corresponding to the diagnostic message and the information of the downstream node are loaded in the response message, and the response message is sent.
- the received information can be a message.
- the above method may further include the following steps before completing step 11:
- Case B The intermediate node receives the acknowledgement message sent by the downstream node of the intermediate node, but the acknowledgement message is incorrect;
- the foregoing method may further include the following steps: sending the information of the abnormal node to other nodes.
- This step can be done by the source node or the management node, and the other nodes in this step are other nodes than the abnormal node.
- other nodes control the number of messages or requests sent to the abnormal node, thereby reducing the loss rate of the message or the request.
- a specific embodiment of the present invention provides an embodiment, and a method for diagnosing whether a node is abnormal is provided in this embodiment.
- the technical scenario in this embodiment is that the source node is completed by the source node, and the identifier of the message to be detected is Diagnostic message is, with Peer ID +Transaction
- the diagnostic message of the ID includes the following steps:
- Step 21 The source node determines whether the reply message sent by the destination node is received; if the reply message is not received, proceed to step 22, otherwise the operation ends;
- the fact that the reply message was not received in this step is already described above, and is not mentioned here.
- the method for implementing the step may be implemented by the following method, and a time may be set at the source node. If the reply message sent by the destination node has not been received, the user may determine that the reply message is not received, and may also The intermediate node performs setting. When the intermediate node fails to forward the information, the source node sends a message indicating that the forwarding failure has occurred. After receiving the message, the source node determines that the reply message is not received.
- Step 22 The source node sends a diagnostic message with a Peer ID + Transaction ID;
- the specific method for implementing this step may be that the source node sends a diagnostic message to the node one by one, or the source node sends a diagnostic message to the node.
- Step 23 The source node determines whether a response message corresponding to the diagnostic message sent by the node is received, where the response message includes information about a downstream node of the node and an acknowledgement message of the downstream node; In the case of a response message, it is determined that the node is a normal node, otherwise it is determined that the node is an abnormal node. After the source node determines that the node is an abnormal node, step 24 can also be performed; [57] The method for determining whether the response message sent by the node corresponding to the diagnosis message is received in the step may be determined by using the method in step 21 to determine whether the response message sent by the destination node is similar.
- Step 24 The source node sends the information of the abnormal node to other nodes.
- the method provided by the embodiment of the present invention determines whether the node is an abnormal node by using a diagnosis message.
- An embodiment of the present invention further provides a device for diagnosing whether a node is abnormal in a peer-to-peer network.
- the device includes: a sending unit 31, which sends a diagnostic message with an identifier of a message to be detected; And a response message that is sent by the receiving node, and the response message includes an acknowledgement message of the downstream node.
- the determining unit 33 is configured to determine whether the receiving unit 32 receives the response message, such as receiving In the case of the response message, it is determined that the node is a normal node, otherwise it is determined that the node is an abnormal node.
- the device that diagnoses whether the node is abnormal may be a source node device or a management node device.
- the response message may further include information of a downstream node of the node.
- the foregoing apparatus may further include: a determining module 311, configured to determine whether a reply message sent by the destination node is received; the sending unit 31 may be further configured to: when the determining module determines that the reply message sent by the destination node is not received, In the case, the diagnostic message is sent.
- the above apparatus may further include: an information transmitting unit 34, configured to send information of the abnormal node to other nodes.
- the apparatus provided by the embodiment of the present invention determines whether the learned node is an abnormal node by using a diagnosis message.
- the embodiment of the present invention further provides an intermediate node device.
- the device is provided with the following units on the intermediate node of the prior art, including: a receiving unit 41,
- a sending unit 42 configured to receive the diagnostic message with the identifier of the to-be-detected message, receive the information sent by the other node, and the information sent by the downstream node, and the information about the downstream node; After the information is sent, the confirmation message and the information of the intermediate node are returned, and the information sent by the other node is forwarded to the downstream node of the intermediate node, and after receiving the diagnostic message, the receiving unit sends the corresponding office. a response message of the diagnostic message, the response message including the confirmation message and information of the downstream node.
- the foregoing apparatus may further include: a storage unit 43, configured to store an acknowledgement message sent by the downstream node and information of the downstream node that is received by the receiving unit.
- the foregoing apparatus may further include: an extracting module 461, configured to extract an acknowledgement message sent by the downstream node and information of the downstream node stored by the storage unit; and a loading module 462, configured to send the acknowledgement sent by the downstream node The message and the information of the downstream node are loaded in the response message, and the response message is sent to the sending unit. After receiving the response message, the sending unit 42 sends the response message.
- the intermediate node device provided by the embodiment of the present invention sends a response message corresponding to the diagnosis message after receiving the diagnosis message, so as to support the method of the specific embodiment of the present invention to determine whether the learned node is an abnormal node.
- Embodiments of the present invention also provide a system for diagnosing whether a node is abnormal in a peer-to-peer network, as shown in FIG. 5: including: source node 51, intermediate node 52, and destination node 53,
- the source node 51 is configured to send a diagnostic message with the identifier of the to-be-detected message, and receive a response message corresponding to the diagnostic message sent by the intermediate node or the destination node, and determine whether the node is abnormal according to the response message. ;
- the intermediate node 52 is configured to receive the diagnostic message, and send a response message corresponding to the diagnostic message, where the response message includes information of a downstream node of the node and an acknowledgement message of the downstream node;
- the intermediate node is configured to receive information sent by other nodes, and after receiving the information sent by the other node, reply the confirmation message and the information of the intermediate node, and forward the information sent by the other node; And configured to receive the diagnostic message, and send a response message corresponding to the diagnostic message, where the response message includes information of a downstream node of the node and an acknowledgement message of the downstream node.
- determining whether the node is abnormal according to the response message in the foregoing system may include: determining that the node is a normal node if the response message is received, and determining that the node is an abnormal node.
- the system provided by the embodiment of the present invention determines whether the node is an abnormal node by using a diagnosis message.
- each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
- the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
- the integrated modules, if implemented in the form of software functional modules and sold or used as separate products, may also be stored in a computer readable storage medium.
- the storage medium mentioned above may be a read only memory, a magnetic disk or an optical disk or the like.
- the technical solution provided by the specific embodiment of the present invention has the advantage of determining whether a node is an abnormal node.
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Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020107018136A KR101141126B1 (ko) | 2008-01-29 | 2009-01-12 | P2p 네트워크에서 노드들이 비정상인지 아닌지를 진단하기 위한 방법, 장치 및 시스템 |
| EP09707023A EP2234332A4 (en) | 2008-01-29 | 2009-01-12 | METHOD, DEVICE AND SYSTEM FOR DIAGNOSING WHETHER A P2P NETWORK'S NODES ARE ABNORMAL |
| US12/844,719 US20100290347A1 (en) | 2008-01-29 | 2010-07-27 | Method, device and system for diagnosing whether nodes are abnormal in p2p network |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810057085.1 | 2008-01-29 | ||
| CNA2008100570851A CN101499934A (zh) | 2008-01-29 | 2008-01-29 | 在对等网络中诊断节点是否异常的方法、装置及系统 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/844,719 Continuation US20100290347A1 (en) | 2008-01-29 | 2010-07-27 | Method, device and system for diagnosing whether nodes are abnormal in p2p network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009094919A1 true WO2009094919A1 (en) | 2009-08-06 |
Family
ID=40912273
Family Applications (1)
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|---|---|---|---|
| PCT/CN2009/070105 Ceased WO2009094919A1 (en) | 2008-01-29 | 2009-01-12 | Method, device and system for diagnosing whether nodes are abnormal or not in p2p network |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100290347A1 (zh) |
| EP (1) | EP2234332A4 (zh) |
| KR (1) | KR101141126B1 (zh) |
| CN (1) | CN101499934A (zh) |
| WO (1) | WO2009094919A1 (zh) |
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| KR100393658B1 (ko) * | 2000-08-01 | 2003-08-09 | 정태호 | 항염 효과가 있는 생약 조성물 |
| CN102083088B (zh) * | 2009-11-26 | 2014-02-12 | 财团法人资讯工业策进会 | 用于一无线网络的数据中继移动装置及数据中继方法 |
| CN104077328B (zh) * | 2013-03-29 | 2019-05-24 | 百度在线网络技术(北京)有限公司 | MapReduce分布式系统的作业诊断方法及设备 |
| US9529658B2 (en) * | 2014-02-07 | 2016-12-27 | Oracle International Corporation | Techniques for generating diagnostic identifiers to trace request messages and identifying related diagnostic information |
| US9529657B2 (en) | 2014-02-07 | 2016-12-27 | Oracle International Corporation | Techniques for generating diagnostic identifiers to trace events and identifying related diagnostic information |
| CN105099737B (zh) * | 2014-05-12 | 2018-08-10 | 富士通株式会社 | 节点和网络 |
| CN105610594B (zh) * | 2014-11-19 | 2019-12-17 | 华为技术有限公司 | 业务链的故障诊断方法及装置 |
| JP6871943B2 (ja) | 2016-03-28 | 2021-05-19 | オラクル・インターナショナル・コーポレイション | モバイルクラウドサービスのための予め形成された命令 |
| CN106817700B (zh) * | 2017-03-02 | 2019-06-28 | 中国人民解放军信息工程大学 | 基于多重完整性远程证明的异常节点检测方法 |
| CN107547241B (zh) * | 2017-05-18 | 2021-07-23 | 新华三技术有限公司 | 一种te隧道的故障检测方法和装置 |
| CN110365520B (zh) * | 2019-06-14 | 2021-12-14 | 创新先进技术有限公司 | 分布式系统中节点的巡检方法、装置及设备 |
| US11310098B2 (en) | 2020-06-09 | 2022-04-19 | Cisco Technology, Inc. | Diagnosing intermediary network nodes |
| CN116016140B (zh) * | 2020-07-10 | 2024-09-17 | 展讯半导体(成都)有限公司 | 通信异常处理方法、主节点、室内分布系统及存储介质 |
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2008
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2009
- 2009-01-12 KR KR1020107018136A patent/KR101141126B1/ko active Active
- 2009-01-12 EP EP09707023A patent/EP2234332A4/en not_active Withdrawn
- 2009-01-12 WO PCT/CN2009/070105 patent/WO2009094919A1/zh not_active Ceased
-
2010
- 2010-07-27 US US12/844,719 patent/US20100290347A1/en not_active Abandoned
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101141126B1 (ko) | 2012-05-02 |
| EP2234332A1 (en) | 2010-09-29 |
| EP2234332A4 (en) | 2010-12-29 |
| US20100290347A1 (en) | 2010-11-18 |
| CN101499934A (zh) | 2009-08-05 |
| KR20100109956A (ko) | 2010-10-11 |
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