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Message forwarding method, message sending device and message receiving device

A message forwarding and message technology, applied to a device receiving a message, a method, in the field of a device sending a message, can solve problems such as reducing the performance of BIER message encapsulation and decapsulation, and achieve the effect of improving flexibility

Active Publication Date: 2020-05-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, the encapsulation and decapsulation of the BIER message needs to be performed based on the virtual private network label (virtualprivate network label, VpnLabel) field, thereby reducing the encapsulation and decapsulation performance of the BIER message

Method used

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  • Message forwarding method, message sending device and message receiving device
  • Message forwarding method, message sending device and message receiving device
  • Message forwarding method, message sending device and message receiving device

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Embodiment Construction

[0048] The technical solution in this application will be described below with reference to the accompanying drawings.

[0049] The technical solution of the embodiment of the present application can be applied to the function of supporting Internet protocol version 6 (internet protocol version 6, IPv6) and segment routing version 6 (segment routing version 6) in a multicast virtual private network (virtual private network, VPN). , SRv6) function or one or more functions in the BIER IPv6 forwarding function node. Among them, the SRv6 function includes the IPv6 function, and the BIER IPv6 forwarding function includes the encapsulation of the BIER IPv6 message, the forwarding of the BIER IPv6 message, and the decapsulation and sending of the BIER IPv6 message. In this application, the BIERIPv6 packet may also be referred to as a BIER packet.

[0050]Specifically, the foregoing nodes may be routers or switches, etc., capable of encapsulating BIER messages, forwarding BIER messag...

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Abstract

The invention provides a message forwarding method, a message sending device and a message receiving device. The method comprises the following steps: a first node configures a first identification and a first IPv6 address of a first VPN on a control plane, wherein the first identification corresponds to the first IPv6 address; the first node carries the first identification and the first IPv6 address in a first indication message and sends the first indication message to a second node; the second node firstly determines a second identification satisfying a preset corresponding relationship with the first identification in the second node according to locally configured information of the first VPN and the first identification in the first indication message, and then establishes a corresponding relationship between the first IPv6 address and the second identification; and the first node encapsulates a multicast data message belonging to the first VPN based on the first IPv6 address ona forwarding plane to obtain a BIER message to be forwarded and send the BIER message, so that the message encapsulation and forwarding performance can be improved.

Description

technical field [0001] The present application relates to the communication field, and more specifically, relates to a message forwarding method, a device for sending a message, and a device for receiving a message. Background technique [0002] Internet protocol (Internet protocol, IP) multicast technology realizes efficient point-to-multipoint data transmission in IP network, can effectively save network bandwidth and reduce network load, so IP multicast technology is used in real-time data transmission, multimedia conference, data Copying, Internet protocol television (Internet protocol television, IPTV), games, and emulation are widely used in many aspects. At present, multicast technology is generally implemented by protocol independent multicast (PIM) protocol or multicast source discovery protocol (multicast source discovery protocol, MSDP) protocol, etc. A common feature of these multicast protocols is that a control Plane multicast tree, using this multicast tree t...

Claims

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Application Information

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IPC IPC(8): H04L12/749H04L12/721H04L12/927H04L45/741H04L47/80
CPCH04L45/741H04L45/32H04L47/806H04L12/4641H04L12/4633H04L12/413H04L45/34H04L45/16H04L12/18H04L45/74H04L67/56
Inventor 谢经荣夏阳
Owner HUAWEI TECH CO LTD
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