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Method and device for routing diffusion

A routing and configuration unit technology, applied in the field of communication, can solve the problems of consuming large CPU and memory resources, difficult to support equipment, etc., and achieve the effect of reducing the CPU burden and reducing the consumption of CPU and memory resources

Active Publication Date: 2019-03-01
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a method and device for routing diffusion, which can solve the problem that a large amount of CPU and memory resources are consumed and equipment is difficult to support when routing diffusion is performed between MCEs or between MCEs and PEs

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  • Method and device for routing diffusion

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] An embodiment of the present invention provides a method for route diffusion, which is used for VPN route diffusion between MCE and PE or between multiple MCEs. Taking MCE to PE to diffuse VPN routes as an example, as figure 1 As shown, the method includes:

[0048] 101. The MCE sets the format of the network layer reachability information NLRI.

[0049] Among them, NLRI (Network Layer Reachability Information, Network Layer Reachability Information) i...

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Abstract

Disclosed are a routing diffusion method and device, which relate to the technical field of communications and can solve the problem that when routing diffusion is conducted between MCEs or between an MCE and a PE, a large amount of CPU and memory resources are consumed, so that it is difficult for a device to support the consumption. The method of the present invention comprises: setting a format of network layer reachability information (NLRI); according to the format of the NLRI, encapsulating a virtual private network (VPN) router; and sending the encapsulated VPN router via a border gateway protocol (BGP). The present invention is applicable to the routing diffusion between an MCE and a PE or between MCEs.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a method and device for routing diffusion. Background technique [0002] The development of cloud computing technology has promoted the development of public cloud business. The public cloud data center is the most important infrastructure provided by the public cloud business, and it needs to support the access of a large number of tenants. For reasons such as security and IP (Internet Protocol, Internet Protocol) address overlap among tenants, different tenants need to use different Layer 3 VPNs (Virtual Private Network, virtual private network). Layer 3 VPN is generally implemented using technologies such as MPLS (Multiprotocol Label Switch, Multi-Protocol Label Switching) VPN. MPLS VPN mainly involves CE (Customer Edge, user edge equipment), PE (Provider Edge, operator edge equipment) and P (Provider Router, core router) equipment. Generally, MPLS VPN is not deploye...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/701
CPCH04L12/4633H04L12/4641H04L45/04H04L2212/00
Inventor 杨继尚
Owner HUAWEI TECH CO LTD
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