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A vpn routing management system and method for router ip protocol stack

A technology of IP protocol and management method, which is applied in the direction of transmission system, digital transmission system, data exchange through path configuration, etc. It can solve the problems of increasing system complexity and increasing the burden of control plane, so as to reduce complexity and solve VPN routing. Inconsistent, workload-reducing effects

Active Publication Date: 2017-04-12
FENGHUO COMM SCI & TECH CO LTD
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  • Description
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AI Technical Summary

Problems solved by technology

This increases the complexity of the system, increases the burden on the control plane, and requires the IP protocol stack to support the MPLS forwarding function

Method used

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  • A vpn routing management system and method for router ip protocol stack
  • A vpn routing management system and method for router ip protocol stack
  • A vpn routing management system and method for router ip protocol stack

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0019] Such as figure 2 As shown, the VPN routing management system of the router IP protocol stack of the present invention includes a control plane and a forwarding plane, the control plane includes a routing management module and an IP protocol stack, and the forwarding plane includes a VPN forwarding table, a packet resolver and a forwarder , the packet parser is used to process the packets labeled with interfaces in the control plane and the forwarding plane, the labels include interface type and VPN index value, and the forwarder is used to search the VPN forwarding table corresponding to the VPN according to the VPN index value , obtain the routing range corresponding to the VPN, search in the routing range according to the destination IP address of the message, and select the correct route.

[0020] Such as image 3 Shown, ...

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Abstract

A VPN routing management system and method for a router IP protocol stack, relating to the technical field of data communication, including a control plane and a forwarding plane, wherein the control plane includes a routing management module and an IP protocol stack, and the forwarding plane includes a VPN forwarding table. The forwarding plane also includes a packet parser and a forwarder, and the packet parser is used to process a packet marked with an interface in the control plane and the forwarding plane, and the mark includes an interface type and a VPN index value, and the forwarder is used for according to The VPN index value searches the VPN forwarding table corresponding to the VPN, obtains the routing set corresponding to the VPN, searches and selects the correct route according to the destination IP address of the message; the present invention prevents the interruption of related services of the control plane and reduces the workload of the control plane , Reduce the complexity of the control plane.

Description

technical field [0001] The invention relates to the technical field of data communication, in particular to a VPN routing management system and method of a router IP protocol stack. Background technique [0002] With the rapid development of network technology, VPN (Virtual Private Network) technology is more and more widely used in modern telecommunication networks, among which MPLS (Multi-Protocol Label Switching Multi-Protocol Label Switching) VPN technology is well known in the industry Pay attention to it and become the mainstream technology in VPN application. In MPLS L3 (Layer 3, Layer 3) VPN, use VRF (Virtual Routing and Forwarding virtual routing and forwarding) table to instantiate VPN routes, and completely isolate routes of different VPNs. [0003] The structure of modern routers is mainly divided into two parts: the control plane and the forwarding plane. The control plane refers to the part of the system used to transmit instructions and calculate table entri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L12/24H04L12/46H04L45/74
Inventor 付华楷马晓飞朱冰
Owner FENGHUO COMM SCI & TECH CO LTD
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