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Method for implementing communication between bandwidth proxy and route within domain

A router and bandwidth technology, applied in the direction of digital transmission system, electrical components, transmission system, etc., can solve the problem of complex message definition and lack of correlation, and achieve the effect of simplifying the message

Inactive Publication Date: 2009-12-16
ZTE CORP
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Problems solved by technology

[0007] At present, many organizations dedicated to the research of QoS network architecture use the COPS protocol as the protocol for the communication between the bandwidth proxy BB and the routers in the network domain. However, due to the abstraction of the PIB structure and the complex message definitions in RFC2748 and RFC3084, so far, There is still no related method in the specific realization of the communication between BB and router by using COPS

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  • Method for implementing communication between bandwidth proxy and route within domain
  • Method for implementing communication between bandwidth proxy and route within domain
  • Method for implementing communication between bandwidth proxy and route within domain

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Embodiment Construction

[0033] The implementation of the method of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] A method for realizing communication between a bandwidth agent and an intra-domain router of the present invention is to use COPS-PR to realize message delivery and processing between the BB and the intra-domain router on the DiffServ network architecture based on the bandwidth agent (BB). The obtained network architecture mainly includes the DiffServ network domain, BB and hosts such as image 3 shown. In this network architecture, there is no need to change the existing network, only a COPS-PR module needs to be added to each router and BB in the network domain. The routers include core routers and edge routers. On the edge routers and BBs Install PIBs. The PIB stores the policies and access control information configured by the network administrator for the network, and the COPS-PR module is mainly to implement ...

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Abstract

The system consists of DiffServ domain, bandwidth proxy and host machine. The method includes: adds COPS-PR module into each router and bandwidth proxy in DiffServ domain, and installs the policy information data base in edge router and the bandwidth proxy; before the host machine sends traffic flow, it first sends the signaling request to the bandwidth proxy; the bandwidth proxy make access control for the traffic flow in term of routing table, network resource table and information the policies data base; if the access is successful, then transmits the traffic flow; if the access is failure, the bandwidth proxy will inform the host machine not to receive the traffic flow.

Description

technical field [0001] The present invention relates to a method for communicating between a bandwidth broker (Bandwidth Broker, BB) and a router in a domain, and in particular, a method for realizing the communication between a BB and a router in a domain by using the COPS-PR (Common OpenPolicy Service-Policy Provisioning) protocol on a DiffServ network. Communication and the method for BB to configure edge routers. Background technique [0002] The policy-based network management framework proposed by the IETF includes four parts: policy management tools, policy deciders, policy executors, and policy libraries, such as figure 1 Policy-based networking shown. Policy administrators use policy management tools to define policies, which are stored in a policy library, which can be placed on a directory server. A policy decision point (Policy Decision Point, PDP) accesses the policy library through a directory server, and the PDP accesses the policy library through LDAP (Ligh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/24
Inventor 程莉丽陈丹
Owner ZTE CORP
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