WO2017193799A1 - Procédé et appareil destinés à mettre en œuvre une gestion qos - Google Patents

Procédé et appareil destinés à mettre en œuvre une gestion qos Download PDF

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Publication number
WO2017193799A1
WO2017193799A1 PCT/CN2017/081488 CN2017081488W WO2017193799A1 WO 2017193799 A1 WO2017193799 A1 WO 2017193799A1 CN 2017081488 W CN2017081488 W CN 2017081488W WO 2017193799 A1 WO2017193799 A1 WO 2017193799A1
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Prior art keywords
service chain
pemp
packet
service
chain path
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PCT/CN2017/081488
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English (en)
Chinese (zh)
Inventor
陶峑郡
吴瑟
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

Definitions

  • the present application relates to, but is not limited to, a mobile broadband system technology, and more particularly to a method and apparatus for implementing Quality of Service (QoS) management.
  • QoS Quality of Service
  • the fifth generation (5G) mobile broadband system will become a wireless mobile communication system for the needs of the human information society.
  • the 5G mobile broadband system is a multi-service and multi-technology convergence network. Through the evolution and innovation of technology, it can meet the future wide range of data and connections.
  • the various businesses are constantly evolving to enhance the user experience. With the increase of the bandwidth and capabilities of wireless mobile communication systems, mobile Internet and IoT applications for individuals and industries are also developing rapidly, and the ecology of mobile communication related industries will undergo important changes. Wireless mobile communication technology and computer and information technology will be more closely and deeper cross-integration, integrated circuits, device technology, software technology, etc. will continue to develop rapidly to support the future development of 5G mobile broadband industry.
  • 5G networks need to provide users with an online experience at any time, and meet more high-value scenarios such as industrial control, emergency communications and so on.
  • it is required to further reduce the user plane delay and control plane delay, which is 5 to 10 times shorter than 4G, reaching the limit of human response such as 5ms (tactile response), and providing a true always-on experience.
  • some businesses that are related to people's lives and major property security require end-to-end reliability to be increased to 99.999% or even 100%.
  • the existing fourth-generation (4G) all-IP packet core network EPC, Evolved Packet Core
  • Evolved Packet System EPS
  • QoS quality of service
  • the existing QoS management is mainly controlled by the terminal, the base station, and the packet gateway.
  • the QoS parameters subscribed by the user are transmitted to the terminal, the base station, and the packet through the control plane signaling by the control network element, such as the Mobility Management Entity (MME).
  • MME Mobility Management Entity
  • the terminal, the base station, and the packet gateway forwarding plane device need to establish a bearer connection and save the state information of the bearer, which undoubtedly increases the complexity of the forwarding device and may eventually affect the forwarding performance of the forwarding device.
  • the present application provides a method and apparatus for implementing QoS management, which can reduce the complexity of the forwarding device and improve the forwarding performance of the forwarding device.
  • the application provides a method for implementing QoS management, including:
  • PEMP Policy Execution Monitoring Point
  • the network control network element is alerted.
  • the method may further include: the PEMP sensing whether the service chain path is busy;
  • the packet is a service chain data stream when the service chain path is busy, and the packet is a default packet when the service chain path is in an idle state.
  • the packet on the PEMP-aware service chain path may include: determining, by the PEMP, whether the service chain data flow is perceived within a preset duration of a preset timer or a preset duration threshold or Default message.
  • the method may further include:
  • a default packet is generated, and the default packet is forwarded to the next hop PEMP according to the service chain identifier in the default packet.
  • the default message is a fixed length message.
  • the sensing of the packet on the service chain path does not satisfy the preset requirement may include:
  • the service chain path is in an idle state, if the default packet is not detected within the preset duration of the timer or the preset duration threshold, the packet on the service chain path is considered to be Perception does not meet the preset requirements.
  • the method may further include: if the service chain data flow or the default message is perceived within a timing duration of the timer or within a preset duration threshold, the PEMP will receive The incoming service chain data flow or default packet is forwarded to the next hop PEMP.
  • the application further provides a method for implementing QoS management, including:
  • the network control network element receives the alarm from the PEMP, and the network area between the PEMP and the backward PEMP of the alarm PEMP may be faulty.
  • the forwarding device indicating the network area confirming the device status may include: indicating a switching device of the network area and a PEMP confirming device status.
  • the present application further provides an apparatus for implementing QoS management, including: a sensing module, and a first processing module;
  • the sensing module is configured to sense packets on the service chain path
  • the first processing module is configured to notify the network control network element when the sensing of the packet on the service chain path does not meet the preset requirement.
  • the sensing module may be configured to: when the service chain path is busy, real-time detection of a service chain data flow to sense a message on a service chain path; when the service chain path is In the idle state, the default packet is detected to sense packets on the service chain path.
  • the first processing module may be configured to:
  • the packet perception on the service chain path is considered. Does not meet the preset requirements.
  • the first processing module may be further configured to: if the service chain data flow is detected or within the preset duration of the preset timer or within the preset duration threshold The default packet forwards the received service chain data stream or the default packet to the next hop PEMP.
  • the apparatus may be provided in a PEMP or as a separate entity.
  • the present application further provides an apparatus for implementing QoS management, including: a pre-judging module and a second processing module;
  • the pre-judging module is configured to receive an alarm from the PEMP, and the network area between the PEMP and the backward PEMP of the alarm PEMP may be faulty;
  • the second processing module is configured to instruct the forwarding device of the network area to confirm the device status.
  • the second processing module may be configured to instruct the switching device of the network area and the PEMP to confirm the device status.
  • the apparatus may be provided in a network control network element or as a separate entity.
  • the present application also provides a machine readable medium storing computer executable instructions that, when executed by a processor, implement the method of implementing QoS management of the first aspect described above.
  • the application further provides a machine readable medium storing computer executable instructions that, when executed by a processor, implement the method of implementing QoS management of the second aspect described above.
  • the packet on the service chain path is perceived; if the packet sensing on the service chain path does not meet the preset requirement, the network control network element is alerted.
  • the network control network element after receiving the alarm from the PEMP, the network area between the alarm PEMP and the backward PEMP of the alarm PEMP may be faulty, indicating that the forwarding device of the network area confirms the device status.
  • the method for determining the link QoS in the QoS management provided by the present application realizes the confirmation of the link QoS, plays a role of guaranteeing the smooth delivery of the packet, reduces the complexity of the forwarding device, and improves the forwarding. Forwarding performance of the device.
  • FIG. 1 is a schematic diagram of a QoS management architecture of an EPS in related art
  • FIG. 2 is a schematic structural diagram of implementing QoS management in the present application.
  • FIG. 3 is a flowchart of a method for implementing QoS management according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of a working principle of a first embodiment for implementing QoS management according to the present application
  • FIG. 5 is a schematic flowchart diagram of a first embodiment of a method for implementing QoS management according to the present application
  • FIG. 6 is a schematic diagram of a working principle of a second embodiment of implementing QoS management according to the present application.
  • FIG. 7 is a schematic flowchart diagram of a second embodiment of a method for implementing QoS management according to the present application.
  • FIG. 8 is a schematic structural diagram of a device for implementing QoS management according to the present application.
  • FIG. 9 is a schematic structural diagram of another apparatus for implementing QoS management according to the present application.
  • FIG. 2 is a schematic diagram of an architecture for implementing QoS management in the present application, where at least The system includes: an access network element, a policy enforcement monitoring point (PEMP, a Policy Enforcement & Monitor Point), a network control network element (Network Controller), and a marginal gateway;
  • PEMP policy enforcement monitoring point
  • Network Controller Network Controller
  • the access network element includes an access control network element and a forwarding network element.
  • the access control network element is configured to insert user QoS information into the packet and select a QoS path for the packet according to the QoS information subscribed by the user and the reserved bandwidth of the service when the user initiates the uplink service.
  • the NE is configured to forward the packet.
  • the PEMP is configured to detect whether the path meets the QoS requirement according to the QoS information carried in the packet. When the path quality is reduced and the QoS requirement of the packet cannot be met, the PEMP is notified to the network control network element.
  • the network control network element is configured to process received alarms, such as adjusting the network.
  • the marginal gateway is configured to insert user QoS information into the packet and select a QoS path for the packet according to the QoS information subscribed by the user and the reserved bandwidth of the service when the downlink data packet is delivered.
  • FIG. 3 is a flowchart of a method for implementing QoS management according to an embodiment of the present application. As shown in FIG. 3, the method includes:
  • Step 300 The PEMP senses the packet on the service chain path.
  • the method in this embodiment may further include: the PEMP sensing whether the service chain path is busy.
  • the packet in this step is the traffic of the service chain.
  • PEMP can detect the packets on the service link trail by detecting the traffic of the service chain. For example, a timer is preset in the PEMP to determine whether the service chain data flow on the service chain path is perceived within the time limit of the timer. For example, whether the service on the service chain path is perceived within the preset duration threshold. Chain data stream.
  • the packets in this step are the default packets.
  • the PEMP can detect the packets on the service link trail through the detection of the default packets. For example, a preset timer is set in the PEMP to determine whether the default packet is perceived within the preset duration of the timer. For example, whether the default packet is perceived within the preset duration threshold.
  • the method in this embodiment may further include:
  • the first PEMP generates a default packet, where the default packet includes a fixed length packet and a service chain identifier, and the first PEMP forwards the default packet to the next hop PEMP according to the service chain identifier.
  • Step 301 If the sensing of the packet on the service chain path does not meet the preset requirement, the network control network element is alerted.
  • the service chain path is busy, if the service chain data flow interruption time exceeds the timer duration or the preset duration threshold, that is, the service chain is not perceived within the timer duration or the preset duration threshold.
  • the data flow considers that the perception of the packet on the service link path does not meet the preset requirement.
  • the service link path When the service link path is in the idle state, if the default packet interruption time exceeds the timer duration or the preset duration threshold, that is, the timer is not perceived within the preset duration or the preset duration threshold. For the provincial message, the perception of the packet on the service link path does not meet the preset requirements.
  • the method of the present embodiment may further include: if the sensing of the packet on the service chain path meets the preset requirement, that is, the service chain data flow or the default packet is perceived within the timer duration of the timer or the preset duration threshold.
  • PEMP forwards the received service chain data stream or default packet to the next hop PEMP.
  • the method of this embodiment further includes:
  • Step 302 The network control network element receives the alarm from the PEMP, and the network area between the alarm PEMP and the backward PEMP of the alarm PEMP may be faulty, indicating that the forwarding device of the network area confirms the device status.
  • the forwarding device that indicates the network area confirms the device status, which may include: indicating the switching device of the network area and the PEMP confirming the device status. It can be implemented by using the related Openflow protocol, and the specific implementation is well-known to those skilled in the art, and is not intended to limit the scope of protection of the present application, and details are not described herein.
  • the method for determining the link QoS in the QoS management realizes the confirmation of the link QoS, plays a role of guaranteeing the smooth delivery of the packet, reduces the complexity of the forwarding device, and improves the forwarding. Forwarding performance of the device.
  • FIG. 4 is a schematic diagram of the working principle of the first embodiment of implementing QoS management according to the present application.
  • the PEMP detects the service chain data flow in real time, and when the service chain data flow is interrupted, the duration of the service flow is interrupted.
  • the network control network element (such as the network manager in FIG. 4) is alerted; the network control network element predicts the alarm PEMP and the backward PEMP of the alarm PEMP.
  • the network area may be faulty, and the forwarding device of the network area is required to confirm the device status.
  • FIG. 5 is a schematic flowchart of the first embodiment of implementing QoS management according to the present application. In the first embodiment, it is assumed that a long time threshold is preset in the PEMP. As shown in FIG. 5, the embodiment includes:
  • Steps 500 to 501 The PEMP detects the service chain data flow. When the interruption time of the service chain data flow exceeds the preset duration threshold, the PEMP sends a fault alarm to the network control network element.
  • the PEMP forwards the service chain data flow to the next hop PEMP according to the service chain identifier, and ends the process.
  • Step 502 The network control network element receives the fault alarm from the PEMP, and determines the network area where the fault may occur according to the current alarm PEMP and the network topology of the backward PEMP of the alarm PEMP.
  • Step 503 The network control network element indicates to all the switching nodes in the determined network area. Line device status confirmation. Among them, it can be implemented by using the relevant Openflow management protocol.
  • FIG. 6 is a schematic diagram of the working principle of the second embodiment of the QoS management according to the present application.
  • the first PEMP in the service chain path senses that the service chain path is idle.
  • the default packet is generated to determine whether the service link path is faulty.
  • the network control network element (such as the network manager in FIG. 6) performs an alarm; the network control network element predicts The network area between the alarm PEMP and the backward PEMP of the alarm PEMP, that is, the first PEMP in FIG. 6 may be faulty, and the forwarding device of the network area is required to confirm the device status.
  • FIG. 7 is a schematic flowchart of a second embodiment of implementing QoS management according to the present application. In the second embodiment, it is assumed that a long time threshold is preset in the PEMP. As shown in FIG. 7, the embodiment includes:
  • Steps 700 to 702 The first PEMP perceives that the current service chain path is in an idle state, generates a default packet, and forwards the default packet to the next hop PEMP according to the service chain identifier in the default packet.
  • the default packet may include a fixed length packet, a service chain identifier, and the like.
  • Step 703 to step 704 The PEMP detects the default packet. When the default packet length exceeds the preset duration threshold, the PEMP sends a fault alarm to the network control NE.
  • the PEMP forwards the default packet to the next hop PEMP according to the service chain identifier.
  • Step 705 The network control network element receives the fault alarm from the PEMP, and determines the network area where the fault may occur according to the current alarm PEMP and the network topology of the backward PEMP of the alarm PEMP.
  • Step 706 The network control network element indicates to all the switching nodes in the determined network area to perform device status confirmation. Among them, it can be implemented by using the relevant Openflow management protocol.
  • Embodiments of the present invention also provide a machine readable medium storing computer executable instructions that, when executed by a processor, implement any of the methods described above for implementing QoS management.
  • FIG. 8 is a schematic structural diagram of a device for implementing QoS management according to an embodiment of the present disclosure. As shown in FIG. 8, the method includes at least a sensing module 801 and a first processing module 802.
  • the sensing module 801 is configured to sense a packet on a service chain path.
  • the first processing module 802 is configured to notify the network control network element when the sensing of the packet on the service chain path does not meet the preset requirement.
  • the sensing module 801 can be configured to:
  • the service chain data stream is detected in real time to sense the packet on the service chain path.
  • the service chain path is in the idle state, the default packet is detected to sense the report on the service chain path. Text.
  • the first processing module 802 can be configured to:
  • the packet perception on the service chain path does not meet the preset requirement.
  • the service chain path is in the idle state, if the default packet is not detected within the preset duration of the preset timer or the preset duration threshold, the packet perception on the service chain path is considered to be unsatisfactory. Set requirements.
  • the first processing module 802 may be configured to: if the service chain data flow or the default message is perceived within the preset duration of the preset timer or the preset duration threshold, the received service chain data stream or The default packet is forwarded to the next hop PEMP.
  • the apparatus shown in Figure 8 can be placed in PEMP or as a separate entity.
  • FIG. 9 is a schematic structural diagram of another apparatus for implementing QoS management according to the present application. As shown in FIG. 9, the method includes at least a pre-judging module 901 and a second processing module 902.
  • the pre-judgment module 901 is configured to receive an alarm from the PEMP, and the network area between the PEMP and the backward PEMP of the alarm PEMP may be faulty;
  • the second processing module 902 is configured to instruct the forwarding device of the network area to confirm the device status.
  • the second processing module 902 can be configured to: use the Openflow protocol to indicate the switching device of the network area and the PEMP to confirm the device status.
  • the apparatus shown in Figure 9 can be placed in a network control network element or as a separate entity.
  • Such software may be distributed on a machine-readable medium, such as a computer-readable medium, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • a computer-readable medium includes volatile and nonvolatile, implemented in any method or technology for storing information, such as computer readable instructions, data structures, program modules or other data. Sex, removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridge, magnetic tape, magnetic disk storage or other magnetic storage device, or may Any other medium used to store the desired information and that can be accessed by the computer.
  • communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and can include any information delivery media. .
  • the embodiment of the present invention provides a method and an apparatus for implementing QoS management, which implements the confirmation of the link QoS, plays a role of guaranteeing the smooth delivery of the packet, reduces the complexity of the forwarding device, and improves forwarding. Forwarding performance of the device.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

La présente invention concerne un procédé et un appareil destinés à mettre en œuvre une gestion QoS. Un PEMP perçoit un paquet sur un chemin de chaîne de service, et si la perception du paquet sur le chemin de chaîne de service ne remplit pas des exigences prédéfinies, donne une alarme à un élément de commande de réseau. Après réception de l'alarme en provenance du PEMP, l'élément de commande de réseau prédétermine un défaut éventuel dans une zone de réseau entre le PEMP alarmant et un PEMP en retrait associé, et ordonne à un dispositif d'acheminement dans la zone de réseau de confirmer un état de dispositif.
PCT/CN2017/081488 2016-05-09 2017-04-21 Procédé et appareil destinés à mettre en œuvre une gestion qos Ceased WO2017193799A1 (fr)

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CN201610302466.6A CN107360585A (zh) 2016-05-09 2016-05-09 一种实现QoS管理的方法及装置

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CN113824766A (zh) * 2021-08-16 2021-12-21 江苏紫清信息科技有限公司 一种基于物联网平台的多业务运行系统
CN115484630A (zh) * 2021-06-15 2022-12-16 中国移动通信集团北京有限公司 非阻断类告警门限确定方法和系统

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CN115484630A (zh) * 2021-06-15 2022-12-16 中国移动通信集团北京有限公司 非阻断类告警门限确定方法和系统
CN113824766A (zh) * 2021-08-16 2021-12-21 江苏紫清信息科技有限公司 一种基于物联网平台的多业务运行系统

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