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Message forwarding method and apparatus

A message forwarding and message technology, applied in the field of network communication, can solve the problem of ignorance of load sharing and other problems

Pending Publication Date: 2018-11-23
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since P1 can only parse the PW label, on the premise that the equivalent forwarding path is determined based on the PW label above, P1 does not know how to select a forwarding path from the equal-cost forwarding path simply by relying on the PW label, nor does it know how to Load sharing in these equal-cost forwarding paths

Method used

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  • Message forwarding method and apparatus
  • Message forwarding method and apparatus
  • Message forwarding method and apparatus

Examples

Experimental program
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Embodiment Construction

[0036] In the embodiment of this application, the PE at any end of the PW tunnel will enable the service flag function, so that when receiving a message that needs to be forwarded through the PW tunnel, it will generate a corresponding service mark for the message based on the enabled service mark function. Here The service flag is used to instruct the P device that receives the message carrying the service flag to select a target forwarding path from the equal-cost forwarding paths according to the load sharing mode.

[0037] In this way, when the P device receives a packet, it can select a target forwarding path from multiple equal-cost forwarding paths to forward the packet according to the service flag carried in the packet and according to the load sharing method, such as figure 1 The P1 shown can select a target forwarding path from the equal-cost forwarding paths according to the service flag carried in the message and according to the load sharing mode to forward the me...

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PUM

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Abstract

The application provides a message forwarding method and apparatus. In the application, when a PE (Provider Edge) at any end of a PW (Pseudowire) tunnel receives a message forwarded through a PW, a corresponding service flag for the message is generated based on an enabled service flag function, and the service mark is carried in the message and sent, so that when a P (Provider) device receives the message carrying the service mark, the P device can select a target forwarding path from an equivalent forwarding path accord to the service mark carried by the message and according to a load sharing mode to forward the message, and finally the P device performs load sharing on the equivalent forwarding path.

Description

technical field [0001] The present application relates to network communication technology, in particular to a message forwarding method and device. Background technique [0002] Ethernet Virtual Private Network (EVPN: Ethernet Virtual Private Network) is a Layer 2 Virtual Private Network (VPN: Virtual Private Network). In EVPN, a pseudowire (PW: Pseudowire) tunnel between service provider network edges (PE: Provider Edge) is automatically established without user configuration, reducing the difficulty of network deployment. [0003] EVPN supports Virtual Private Wire Service (VPWS: Virtual Private Wire Service). For EVPN supporting VPWS, it is also called VPWS networking. figure 1 It shows the structure of VPWS networking. like figure 1 As shown, the VPWS networking mainly includes: [0004] Customer Edge (CE: Customer Edge), the user-side device directly connected to the service provider network. [0005] PE is the service provider network-side device connected to CE....

Claims

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Application Information

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IPC IPC(8): H04L12/803H04L12/723H04L12/721H04L12/46H04L45/50
CPCH04L12/4633H04L45/38H04L45/50H04L47/125
Inventor 雷磊陈建黄李伟
Owner NEW H3C TECH CO LTD