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A message forwarding method and device

A message forwarding and message header technology, applied in the field of communication, can solve problems such as unfavorable promotion and application, message occupation, large space, etc.

Active Publication Date: 2022-01-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, in SR-MPLS, it is necessary to carry out complex extensions to the Interior Gateway Protocol (English: Interior Gateway Protocol, referred to as: IGP), which is not conducive to wide application; and in SRv6, since a segment routing Extended header (English: Segment Routing Header, referred to as: SRH), and the SRH needs to encapsulate a 128bit IPv6 address, occupying a large space in the message, and the encapsulation efficiency is low, thus affecting the forwarding efficiency of the message

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Embodiment Construction

[0049] With the complexity of the network and the rapid increase of services, it is no longer possible to adapt to the rapid development of services by continuously adjusting the network architecture and configuration passively, and it will make the network more and more complex, making it very difficult to maintain the network. In order to overcome the problems gradually exposed by the network adaptation business, a business-driven network approach is proposed instead, that is, the business proposes a demand, and the transmission path is calculated according to the business demand, so that the network implements dynamic adjustments to quickly meet business changes requirements, and the SR technology is widely used in the way that the service drives the network.

[0050] At present, SR technology can be deployed on the MPLS data plane to form SR-MPLS. However, this SR-MPLS requires complex extensions to IGP, which makes it very inconvenient to apply SR-MPLS and has high require...

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Abstract

The present application discloses a message forwarding method and device, including: the ingress node of the tunnel generates a data message, wherein the data message includes an SRv4 message header, and the SRv4 message header includes at least one IPv4 address, which is used to indicate the network The node forwards the data packet based on at least one IPv4 address; the at least one IPv4 address includes the IPv4 address of the outgoing node of the tunnel; the incoming node sends the data packet to the network node. In this way, by encapsulating the SRv4 packet header including at least one IPv4 address in the data packet, the data packet is forwarded in the network according to at least one IPv4 address in the SRv4 packet header, without complicated protocol extension and configuration , simplifies the message forwarding process, and does not need to encapsulate the IPv6 address that occupies a large space, but encapsulates the IPv4 address that occupies a small space, which improves the encapsulation efficiency, thereby improving the message forwarding efficiency.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a message forwarding method and device. Background technique [0002] With the rapid development of services, a segment routing (English: Segment Routing, SR for short) technology is proposed. SR is a protocol designed based on the source routing mechanism to forward packets on the network. When implementing it, SR technology needs to divide the path in the network into multiple segments, and assign segment identifiers to these segments and nodes in the network ( English: SegmentIdentification, referred to as: SID), by orderly arranging the SIDs, a message forwarding path in the network is obtained. [0003] Currently, SR technology can be deployed on the two data planes of Multi-Protocol Label Switching (English: Multi-Protocol LabelSwitching, MPLS for short) and Internet Protocol Version 6 (English: Internet Protocol Version 6, IPv6 for short), which are c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L45/745H04L45/50H04L12/46
CPCH04L45/34H04L45/50H04L12/4633
Inventor 王其华
Owner HUAWEI TECH CO LTD