WO2008151491A1 - Un système réseau p2p et son procédé d'application - Google Patents

Un système réseau p2p et son procédé d'application Download PDF

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Publication number
WO2008151491A1
WO2008151491A1 PCT/CN2007/003761 CN2007003761W WO2008151491A1 WO 2008151491 A1 WO2008151491 A1 WO 2008151491A1 CN 2007003761 W CN2007003761 W CN 2007003761W WO 2008151491 A1 WO2008151491 A1 WO 2008151491A1
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WO
WIPO (PCT)
Prior art keywords
network
user terminal
information
node
management
Prior art date
Application number
PCT/CN2007/003761
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English (en)
Chinese (zh)
Inventor
Xin Zhang
Hongliang Tian
Sui Xiao
Jie Hu
Original Assignee
Zte Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zte Corporation filed Critical Zte Corporation
Publication of WO2008151491A1 publication Critical patent/WO2008151491A1/fr

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Classifications

    • 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
    • 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
    • H04L67/1044—Group management mechanisms 
    • H04L67/1046—Joining mechanisms
    • 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
    • H04L67/1087—Peer-to-peer [P2P] networks using cross-functional networking aspects
    • H04L67/1093—Some peer nodes performing special functions

Definitions

  • the method may further include: in the step d, the user terminals further exchange state information, where the location information carries the location attribute information, and the user terminal passes the location attribute information Perceive each other's network location.
  • the P2P node management device is configured according to the preset policy, the IP address information carried in the P2P network access request of the user terminal, or the additional information of the network access device and other information of the user terminal.
  • the user terminal provides the location attribute information, and the preset policy includes an IP address plan.
  • the user terminals exchange resource and status information, and the location information carries location attribute information, and the user terminals sense each other's network location through the location attribute information.
  • the present invention adopts a P2P network system and an application method thereof. Since the service operation is separated from the operation of the P2P network and simultaneously embodied on the network side and the terminal side, the business strategy and service at the operational level are comprehensively guaranteed. Loading has the least impact on the P2P network and can support multiple business models and services/applications. At the same time, because the business operations are seamlessly integrated with the P2P network, the upper-layer operation management strategy and the underlying P2P operation strategy can be mapped to each other; The adjustment and delivery control of the behavior of the P2P node; the P2P network can sense the topology of the bearer network, and can better utilize the bearer network. BRIEF abstract
  • the operation layer system is used to provide all functions at the operational level, including service/application presentation, operation management and support, service/application, media processing, terminal management, P2P policy management, content library, and operator back-end support.
  • the business model related to the business model is refined into specific business process execution; only the published content audited by the operational layer system can ultimately provide services in the P2P network, and ensure the integrity and validity of the content.
  • the operation layer system also defines and stores various business policies required for the operation of the P2P mechanism as a policy manager and a policy library, including a media processing policy, a node management partition allocation policy, a source query policy, a candidate source selection policy, and a P2P transmission. Control strategy, etc.
  • the policies defined by the operations layer system are ultimately distributed to the P2P management system and media layer systems for use in the execution of related business processes.
  • the terminal management server is configured to provide functions such as detection, download, upgrade, repair, and terminal side policy loading of the terminal software version
  • a content library used as a database, to provide a content source for the system to run
  • the operator back-end support system is used to provide back-end support functions for operators such as network management and BSS/OSS (business support system/operation support system).
  • BSS/OSS business support system/operation support system
  • P2P management system which is used to provide management support functions required for P2P mechanism operation such as node registration, node registration, node resource management, candidate source node query and allocation; P2P management system as a connection between upper layer application and P2P network
  • the control center is also responsible for translating the operational instructions of the operational layer system into specific P2P management operations, and implementing related P2P management scheduling strategies in specific processing flows.
  • the P2P management scheduling policy can be pre-defined and configured or delivered by the network administrator in the operation layer system. When a specific event occurs, the P2P management system requests the relevant P2P from the P2P management system according to the preset policy request policy. Manage scheduling policies.
  • the P2P management system includes three main functional entities: the node management module, the resource scheduling module, and the P2P policy execution module.
  • the resource scheduling module is used to provide management support functions required for P2P mechanism operation such as node resource management, candidate source node query and allocation;
  • the P2P policy execution module is responsible for converting the operation instructions of the operation layer system into specific P2P management operations, and implementing related P2P management scheduling policies in specific processing flows.
  • the bearer layer system includes a network access device for accessing a user, a metropolitan area network, and a backbone network for the metropolitan area interconnection, that is, an IP bearer network.
  • the bearer layer system is the basis for the normal operation of the P2P mechanism.
  • the bearer network is transparent, but the P2P management system can perceive the network topology of the IP bearer network through the access device information carried by the user terminal. information.
  • the four-layer structure of the above (1) to (4) is a logical hierarchical structure, and the operation layer system, the P2P management layer system, and the media layer system are all built on the bearer layer system.
  • the information exchange between the operation layer system and the P2P management system is performed, so that the operation instructions such as the resource deployment indication and the defined P2P policy are as follows:
  • the P2P node representation algorithm is delivered to the P2P management layer system.
  • the information interaction can be based on the upper layer application protocols of the TCP/IP protocol, such as HTTP (Hypertext Transfer Protocol), SOAP (Simple Object Protocol), etc., or can be defined by itself, such as through the protocol (protocol data unit) of the PDU.
  • HTTP Hypertext Transfer Protocol
  • SOAP Simple Object Protocol
  • the P2P nodes of the media layer system route, transmit, and exchange information through the IP bearer network.
  • the P2P management system or media layer system can record the running log of the node and provide it to the operating layer system as the basis for media layer charging and user incentives.
  • the P2P network operation management device is used to provide all functions at the operational level (including service/application presentation, operation support, service/application, media processing, terminal management, etc.); and for providing node registration, node registration, node resource management, and candidate Required for the P2P mechanism such as source node query and allocation
  • the management support function also implements the relevant P2P management scheduling strategy.
  • the P2P network operation management device includes a terminal management server 101, a media processing system 102, an operation management system 103, a portal subsystem 104, a log server 105, a node management system 106, and a resource management scheduling system 107.
  • User terminals form a P2P peer-to-peer network.
  • the terminal management server 101 is configured to provide detection, download, upgrade, repair, and terminal side policy loading of the terminal software version.
  • the terminal management server 101 includes a P2P policy library module 201 on the terminal side, which may be built in the complete software version of the terminal or in an upgrade package or patch, and exists in the form of a software package, an upgrade package, or a patch; The virus database exists separately.
  • the terminal software and policy library can be loaded into the terminal management server by the system administrator using file upload or direct copy. After the terminal is started, the terminal management server 101 will be first logged in for version detection, updating software and policies.
  • the media processing system 102 is configured to provide media processing functions such as media format conversion, slicing, DRM encryption processing, and the like.
  • the media processing system 102 includes a P2P policy module 202 and a media processing module 203.
  • the media processing module 203 performs media processing according to a policy predetermined by the P2P policy module 202, such as a media conversion format, a slice size, an encryption algorithm, and a media processing manner such as offline, real-time, and the like.
  • a policy predetermined by the P2P policy module 202, such as a media conversion format, a slice size, an encryption algorithm, and a media processing manner such as offline, real-time, and the like.
  • the policy may exist in a specific media processing flow in the form of parameters, weights, or algorithms.
  • the operation management system 103 is configured to provide operation management support functions such as user management, product management, content management, release management, authentication, and accounting; and also provides policy definition and configuration functions required for the P2P mechanism to operate.
  • the operation management system 103 includes an operation management module 204, a P2P policy management module 205, and a P2P policy library module 206 on the network side.
  • the operation management module 204 is configured to provide operation management support functions of user management, product management, content management, release management, authentication, and accounting.
  • the P2P policy management module 205 is configured to provide policy definitions and configuration functions required for the P2P mechanism to operate.
  • the P2P policy library module 206 on the network side is used to provide a P2P policy on the network side.
  • the P2P policy management module 205 and the P2P policy library module 206 may not exist separately.
  • the P2P policy management module 205 may appear as a function module in a operation management or a function of a certain function module, and the specific P2P A policy may exist in the form of parameters, weights, or algorithms in an operational process, or it may exist as a configuration file.
  • the definition and loading of the P2P policy is logically independent from the operational process.
  • the operation management system 103 can be upgraded and completed on the basis of the existing system, and the P2P policy management module 205 and the P2P policy library module 206 are added to the main work to be completed in the upgrade and transformation.
  • the portal subsystem 104 as a user access point, is used to provide functions such as retrieval, browsing, and ordering of services.
  • the terminal may also trigger the acquisition of specific information required to operate the P2P mechanism in interaction with the portal subsystem 104.
  • the log server 105 is configured to provide collection and analysis functions of various logs in the application system.
  • both the network side device and the terminal can provide logs to the log server 105.
  • the node management system 106 is configured to provide initialization of node registration, registration, and subsequent processing, such as specifying a resource management scheduling system for the session for the node.
  • the node management system 106 includes two main functional modules: a node management module 206, and a P2P policy module 207.
  • the node management module 206 processes the policy according to the P2P policy module 207, and the policy is embodied in a specific process flow, such as a node registration process, a registration process, and a P2P initialization process, and an algorithm used in the process, such as a node identifier generation algorithm.
  • the P2P initialization process refers to an address of a series of functional entities required to specify a P2P operation for a node, such as a resource management scheduling system 107, a terminal management server 101, and the like.
  • the resource management scheduling system 107 is configured to centrally manage the resource information, status, and capabilities of the node, and accept the resource query request of the node, and allocate a candidate source node for the resource.
  • the resource management scheduling system 107 includes two main functional modules: a resource management scheduling module 208 and a P2P policy module 209.
  • the resource management scheduling module 208 performs related operations according to the policy preset by the P2P policy module 209, and the policy includes a node join/normal exit/abnormal exit processing strategy, a candidate source selection algorithm, an adaptive adjustment policy, and a threshold setting.
  • the user terminal 108 includes three main functional modules: a service/application client 210, a P2P node module 211, and a P2P policy module 212.
  • the service/application client 210 provides the user with access and use of the service/application;
  • the P2P node module 211 enables the terminal to act as a P2P node, and obtains data from other nodes while also providing data services for other nodes;
  • P2P policy module 212 provides all the policies required by the terminal as a P2P node, including P2P group member management policies, P2P data connections, and transmission policies.
  • Figure 3 shows how the operation management policy "guarantee service and local service priority" is mapped to the P2P operation strategy.
  • the operation management strategy "guarantee service, local service priority" is mapped to the P2P operation strategy, including:
  • P2P management strategy including:
  • Node management policy "Specify the relevant management device for the node according to the current login area of the node, ensure the localization management of the node, and; P2P resource management scheduling policy: "Resource management for the node under local jurisdiction, and accept the resource query request of the node , providing it with a valid candidate source node for this region.
  • P2P node policy including:
  • P2P data connection and transmission strategy "In the case of guaranteed service, priority is obtained from local data sources,;
  • P2P composition management strategy "In the case of guaranteed services, the replacement of members between local and remote groups is provided in the group member management mechanism.”
  • FIG. 3 The strategy illustrated in FIG. 3 is merely an example to explain the mapping relationship between the operation policy and the P2P operation strategy, and illustrates the seamless integration between the upper application system and the P2P network, rather than limitation.
  • Figure 4 illustrates the implementation principle of the topology information of the P2P network-aware bearer network; in the network system that implements the P2P service:
  • the user terminal sends an access request to the network access device
  • the network access device is configured to allocate an IP address and additional information to the user terminal according to the access request of the user terminal, where the information includes an access device number;
  • the user terminal sends a network access request to the P2P node management device by using the specified IP address and carrying the access device information;
  • the P2P node management device is configured to provide a function of initializing the registration, registration, and subsequent processing of the node, and verifying the P2P network access request of the user terminal, and if the verification is performed, providing the user terminal accessing the P2P network.
  • Location attribute information
  • the user terminal carries the location attribute information, and sends a resource query request to the resource management scheduling device;
  • the resource management scheduling device is configured to centrally manage the resource information, the state, and the capability of the node, and accept the resource query request of the node that carries the location attribute information, and allocate a candidate source node to the user terminal that successfully logs in to the P2P network, And the network topology is sensed through the location attribute information of the terminal.
  • the P2P node management device provides the user terminal according to the preset policy, the IP address information carried in the P2P network access request of the user terminal, or the additional information of the network access device and other information of the user terminal.
  • the location attribute information, the preset policy includes an IP address plan.
  • the user terminals exchange resource and status information, and the location information carries location attribute information, and the user terminals sense each other's network location through the location attribute information.
  • the user terminal initiates a P2P network access request to the P2P node management device by using the specified IP address and carrying the additional information of the network access device.
  • FIG. 5 illustrates a flow of implementing topology information of a P2P network-aware bearer network according to an embodiment of the present invention, which is specifically as follows.
  • Step 410 The user terminal accesses the network.
  • the user terminal accesses the network through the network access device, and the network access device allocates an IP address to it, and attaches some information according to the policy, where the information includes the access device number and the like.
  • Step 420 The user terminal initiates a P2P network access request to the P2P node management device.
  • the P2P node management device is configured to provide initialization of node registration, registration, and subsequent processing; the user terminal initiates a P2P network access request to the P2P node management device by using the specified IP address and carrying additional information of the network access device.
  • Step 430 The P2P node management device checks the P2P network intrusion request of the user terminal, and if it passes the verification, performs step 440, otherwise, refuses to access the P2P network;
  • Step 440 The user terminal accesses the P2P network, and the P2P node management device provides location attribute information for the user terminal.
  • the P2P node management device For the user terminal that passes the verification, the P2P node management device also performs the IP address information carried in the P2P network access request of the user terminal, the information attached to the access device, and the user terminal according to the preset policy, such as IP address planning. Other information, etc. (access device additional information and other information of the user terminal are optional) provide a location attribute information for the user terminal.
  • Step 450 The user terminal successfully logging in to the P2P network initiates a resource query request to the resource management scheduling device.
  • the resource management scheduling device is configured to centrally manage the resource information, status, and capabilities of the node, and accept the resource query request of the node, and allocate a candidate source node for the resource.
  • the user terminal that successfully logs in to the P2P network initiates a resource query request to the resource management scheduling device, and the request carries the location attribute information, and the resource management scheduling device senses the bearer network topology through the location attribute information.
  • Step 460 Exchange resource and status information between user terminals.
  • the user terminals exchange resource and status information, and carry the location attribute information in the status information, and the user terminals sense each other's network location through the location attribute information.
  • the present invention relates to the field of communication network technologies, and is particularly applicable to an operational, manageable P2P network system and applications thereof that support multiple business models and different applications.
  • the invention overcomes the shortcomings that the P2P application cannot effectively manage the control, utilizes the good management mechanism of the existing telecommunication network, expands the implementation manner of the telecommunication service, realizes the P2P service on the basis of realizing the controllable, and fully utilizes the terminal resource, that is, the telecommunication
  • the network manages the P2P service, and can also channel the traffic of the P2P 4 so that the user can get the service nearby.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

La présente invention concerne un réseau p2p et son procédé d'application, qui maintient l'exploitation de service séparée du fonctionnement du réseau p2p, gère et commande l'accès au p2p et l'attribution de ressources. Par conséquent, un service p2p peut être exécuté sur la base d'une capacité de commande à la fois du côté réseau et du côté terminal, ce qui constitue une garantie complète en ce qui concerne la minimisation de l'influence au réseau p2p causée par une stratégie d'entreprise concernant l'exploitation et le chargement de services, et permet de supporter plusieurs modes et services/ applications. Entre temps, alors que l'exploitation de service s'intègre sans à coups au réseau p2p, une stratégie de gestion d'exploitation de superstrat et une stratégie d'exploitation p2p de substrat peuvent se mapper mutuellement. En outre, le comportement de nœuds p2p peut être commandé en réglant ou en émettant une stratégie. Au fur et à mesure que la topologie de réseau du réseau porteur peut être perçue par le réseau p2p, elle peut être utilisée au mieux.
PCT/CN2007/003761 2007-06-13 2007-12-25 Un système réseau p2p et son procédé d'application WO2008151491A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710111028.2 2007-06-13
CN 200710111028 CN101060455B (zh) 2007-06-13 2007-06-13 一种p2p网络应用方法

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CN101557335B (zh) * 2008-04-11 2012-11-21 华为技术有限公司 控制节点加入对等网络的方法和装置
CN101635741B (zh) * 2009-08-27 2012-09-19 中国科学院计算技术研究所 分布式网络中查询资源的方法及其系统
CN102148847B (zh) * 2010-02-10 2016-04-13 中兴通讯股份有限公司 基于reload的客户端接入对等网络的方法和系统
US8620986B2 (en) * 2010-03-24 2013-12-31 Blackberry Limited Peer-to-peer network connectivity status
CN102523291A (zh) * 2011-12-16 2012-06-27 北京邮电大学 实现移动对等网络流媒体体验质量策略管理的模型架构
CN102857874A (zh) * 2012-05-18 2013-01-02 北京邮电大学 一种蜂窝网络下直连通信用户的分布式管理方法

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