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Processing method of VPN (Virtual Private Network), PE (Provider Edge) device and system

A processing method and equipment technology, applied in the computer field, can solve the problems of optimization, inability to realize network traffic, inability to control the routing direction of VPN data packets, etc.

Active Publication Date: 2017-07-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the aforementioned remote PE device in the prior art is used as an ingress (English name: Ingress) PE device, it is impossible to control the routing direction of VPN data packets, and it is impossible to optimize network traffic.

Method used

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  • Processing method of VPN (Virtual Private Network), PE (Provider Edge) device and system
  • Processing method of VPN (Virtual Private Network), PE (Provider Edge) device and system
  • Processing method of VPN (Virtual Private Network), PE (Provider Edge) device and system

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Embodiment Construction

[0123] The embodiment of the present invention provides a VPN processing method, a PE device and a system, which are used to realize the control of the routing direction when the PE device sends VPN data packets, and realize the optimized management of network traffic.

[0124]In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0125] The terms "first", "second" and the like in the description and claims of the present invention and the abo...

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Abstract

The present invention discloses a processing method of a VPN (Virtual Private Network), a PE (Provider Edge) device and a system. The invention aims to realize the control of a routing direction during a process in which a PE device sends a VPN data message. According to the embodiments of the invention, the processing method of the VPN comprises the following steps that: a first PE device receives a first IP route issued by a first CE (Customer Edge) device and receives a second IP route issued by a second CE (Customer Edge) device, and IP address prefixes carried by the first IP route and the second IP route are identical; the first PE device obtains a first VPN route according to the first IP route and obtains a second VPN route according to the second IP route, wherein the first VPN route carries a first Sub RD (Router Distinguisher) and a first tag for identifying the first Sub RD, and the second VPN route carries a second Sub RD (Router Distinguisher) and a second tag for identifying the second Sub RD; and the first PE device issues the first VPN route to the second PE device and issues the second VPN route to the second PE device.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a virtual private network (full English name: Virtual Private Network, English abbreviation: VPN) processing method, provider edge (English full name: Provider Edge, English abbreviation: PE) equipment and system. Background technique [0002] Border Gateway Protocol (English full name: Border Gateway Protocol, English abbreviation: BGP) is a dynamic routing protocol used between autonomous systems (English full name: Autonomous System, English abbreviation: AS). The three early versions are BGP-1 (documents arranged by number (English full name: Request For Comments, English abbreviation: RFC) 1105), BGP-2 (RFC1163) and BGP-3 (RFC1267), mainly used To exchange the reachable routing information between AS, build the propagation path between AS domains, prevent routing loops, and apply some routing policies at the AS level. The currently used version is BGP-4 (RFC4271)....

Claims

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Application Information

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IPC IPC(8): H04L12/723H04L12/741H04L12/751H04L45/50H04L45/02H04L45/74
CPCH04L45/02H04L45/50H04L45/745H04L12/4641
Inventor 庄顺万徐海军李振斌车佳王海波陈双龙
Owner HUAWEI TECH CO LTD
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