Reflected route processing method and route reflecting device

A reflection device and processing method technology, applied in the field of network communication, can solve the problems of increased hardware cost, memory occupation, and high cost of hardware forwarding equipment, and achieve the effects of reducing down-swipe processing, improving processing performance, and increasing memory usage

Active Publication Date: 2009-04-29
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The inventor finds in the process of realizing the present invention: no matter how to optimize the data structure design optimization method of routing entries, BGP routing entries, RIB entries, and FIB entries must occupy memory, and these three parts of a route take up memory The ratio is usually 1:1:1, the optimization is limited after all, and because the FIB entries correspond to the hardware forwarding entries one by one, and the cost of the hardware forwarding equipment is relatively high, the capacity of the FIB entries is limited by the cost factor. For hardware design optimization, increasing the memory capacity of the router will inevitably bring about an increase in hardware costs

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  • Reflected route processing method and route reflecting device
  • Reflected route processing method and route reflecting device
  • Reflected route processing method and route reflecting device

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Embodiment Construction

[0027] The embodiment of the present invention provides a reflection route processing method and a route reflection device to limit the route only for reflection to be added to the general routing information table through control commands, so as to improve the utilization rate of device memory.

[0028] The technical solutions of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] refer to figure 2 , which illustrates a structure of a route reflection device. As shown in the figure, route reflection device 2 includes:

[0030] a routing receiving unit 21, configured to receive reflected routing information;

[0031] The route selection unit 22 is configured to select a route as the best route from the route information received by the route receiving unit 21;

[0032] a route sending unit 28, configured to send the best route selected by the route selection unit 22;

[0033] The routing analys...

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Abstract

The present invention discloses a method of processing reflection route. The method comprises steps of selecting a route as the optimum route after receiving reflection route information; sending the optimum route, judging whether the optimum route has been added into a general route information table or not according to control commands, if so, not adding the optimum route into the general route information table, or else, entering the next step; adding the optimum route into the general route information table. Correspondingly, the present also discloses a route reflection device. According to the technical solution provided by the present invention, memory utilization rate of the device is improved through control commands to limit routes for reflection being added into the general route information table.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a processing method for reflection routing and a routing reflection device. Background technique [0002] Border Gateway Protocol (Border Gateway Protocol, BGP) is a dynamic routing protocol used between autonomous systems (Autonomous Systems, AS). [0003] In order to avoid routing loops, the BGP protocol stipulates that the internal BGP protocol (Internal BGP, IBGP) peers in the AS cannot forward BGP routes. In order to ensure the connectivity between IBGP peers, it is necessary to Establish a full connection relationship between them. Assuming that there are n routers in an AS, the number of IBGP connections that should be established is n(n-1) / 2. When the number of IBGP peers is large, the consumption of network resources and CPU resources is very large. For this reason, the BGP protocol introduces the concept of route reflection. In an AS, one of the routers acts as a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L12/66
CPCH04L45/04H04L45/02H04L45/033
Inventor 曾晴倪辉王苌宋宝华庄顺万
Owner HUAWEI TECH CO LTD
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