Routing information transmitting method and system and route reflector

A technology for information transmission and routers, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as network congestion, increased resource processing burden, VRR resource overload, etc., to achieve the effect of improving accuracy and reducing transmission frequency

Inactive Publication Date: 2015-07-01
LIAONING MOBILE COMM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In fact, AR2 only needs the routing information of network segment A, and does not need the routing information of network segment B. The routing information of network segment B is used as a useless route for AR2. Frequent transmission may easily cause network congestion or even paralysis.
Moreover, on the AR side, useless routing information needs to be discarded after receiving and comparing, which invisibly increases the resource processing burden of the AR; After the information is transmitted to the VRR, it is easy to cause the resource overload of the VRR

Method used

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  • Routing information transmitting method and system and route reflector
  • Routing information transmitting method and system and route reflector
  • Routing information transmitting method and system and route reflector

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Embodiment Construction

[0046] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0047]In the embodiment of the present invention, based on the Outbound Route Filtering (ORF, Outbound Route Filtering) feature of the Border Gateway Protocol (BGP, Border Gateway Protocol), the interactive parties AR and VRR are respectively defined as the sender sender and the receiver receiver . Specifically, when an AR is defined as a sender, the VRR to which the AR belongs is defined as a receiver; when a VRR is defined as a sender, the AR under the jurisdiction of the VRR is defined as a receiver. Regardless of who is the sender or the receiver in AR or VRR, the embodiment of the present invention follows the following principles: the sender identif...

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Abstract

The invention discloses a routing information transmitting method. The method comprises the following step that: a VPN (Virtual Private Network) virtual route reflector (VRR) determines routing information with a received identifier made for routing information required by a service access router (AR) in the received routing information according to the identifier, and transmits the routing information to the AR. The invention also discloses a routing information transmitting system and the VRR. According to the technical scheme in the embodiment of the invention, the VRR only needs to transmit the routing information required by the AR to the AR according to the identifier without transmitting useless routing information, so that the transmission frequency of a useless route in a network is lowered; the resource processing loads of the VRR and the AR are relieved; and the accuracy of routing information transmission is increased.

Description

technical field [0001] The invention relates to routing transfer technology, in particular to a routing information transfer method, system and routing reflector based on an Internet Protocol (IP, Internet Protocol) bearer network. Background technique [0002] With the development of softswitch technology, the customer edge equipment (CE, Customer Edge Equipment) of the service softswitch end office is frequently connected to the IP bearer network, which leads to a sharp increase in network routing entries, and a large amount of useless routing information in the IP Frequent transmission in the bearer network; as a routing control layer device, a virtual private network (VPN, Virtual Private Network) route reflector (VRR, Virtual Route Reflector) receives and processes services from different access routers (AR, Access Router) or Routing information of Provider Edge Equipment (PE, Provider Edge Equipment) and useless routing information are frequently exchanged between VRR ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/751H04L12/801H04L45/02
Inventor 陈夏
Owner LIAONING MOBILE COMM
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