Data transmission method and communication device

A technology of a data transmission method and a communication device, which is applied in the field of a data transmission method and a communication device, and can solve problems such as network incompatibility

Active Publication Date: 2021-11-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides a data transmission method and a communication device, which

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  • Data transmission method and communication device
  • Data transmission method and communication device
  • Data transmission method and communication device

Examples

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example 1

[0169] Example 1, taking the first network as an SRv6 network and the second network as an SR-MPLS network, the SID of each network device in the SRv6 network is an IPv6 address, and the SID of each network device in the SR-MPLS network is a MPLS labels. Then the virtual identifier corresponding to the SID of each network device in the SRv6 network may be a virtual MPLS label.

[0170] For example, with Figure 10 The first network in is an SR-MPLS network as an example, the Node SID of the first network device 112 is 16003, the Adj SID is 17008, the Node SID of the first network device 113 is 16007, and the Adj SID is 17011. The virtual MPLS label corresponding to the Node SID (16003) of the first network device 112 may be END:2001::3, and the virtual MPLS label corresponding to the Adj SID (17008) of the first network device 112 may be END:2001::8.

example 2

[0171] Example 2, taking the first network as an SRv6 network and the second network as an SR-MPLS network, the SID of each network device in the SR-MPLS network is an IPv6 address, and the SID of each network device in the SRv6 network is a MPLS labels. Then the virtual identifier corresponding to the SID of each network device in the SR-MPLS network may be a virtual IPv6 address.

[0172] For example, with Figure 10 In the example where the second network is an SR-MPLS network, the Node SID of the second network device 122 is ENDSID:2008::1, the Adj SID is END.X SID:2008::5, and the Node SID of the second network device 123 is END SID: 2004::1, Adj SID is END.X SID: 2004::7. For example, the virtual IPv6 address corresponding to the Node SID (END SID: 2008:: 1) of the second network device 122 is 16011, and the virtual IPv6 address corresponding to the Adj SID (END.X SID: 2008:: 5) of the second network device 122 The address is 16021. The virtual IPv6 address correspon...

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Abstract

The invention discloses a data transmission method and a communication device, relates to the technical field of communication, and solves the problem that networks using different SR protocols cannot communicate with each other in the prior art. According to the specific scheme, gateway equipment receives first data and first address information from first network equipment of a first network, the first address information is a virtual identifier of second network equipment in a second network, and the second network equipment is equipment on a transmission path of a first data packet; the first network and the second network correspond to different SR protocols; the gateway equipment determines the SID of the second network equipment according to the virtual identifier of the second network equipment; and the gateway equipment sends a second data packet comprising the first data and second address information to equipment in a second network according to the SID of the second network equipment, and the second address information is the SID of the second network equipment. The embodiment of the invention is used for the intercommunication process of the SRv6 network and the SR-MPLS network.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a data transmission method and a communication device. Background technique [0002] Segment routing (segment routing, SR) technology, as a new tunneling technology, has attracted more and more attention. The introduction of SR technology can simplify network deployment and management, and reduce capital expenditure (capital expenditure, CAPEX). [0003] When the SR technology is applied to the communication system, the SR technology may include the SR Internet protocol 6 (SR on internet protocol version 6, SRv6) protocol and the SR-multi-protocol label switching (SR-multi-protocol label switch, SR-MPLS) SR-MPLS protocol . For example, devices in the bearer network of the communication system can communicate with each other according to the SRv6 protocol, and devices in the core network can communicate with each other according to the SP-MPLS protocol. ...

Claims

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Application Information

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IPC IPC(8): H04L12/721H04L12/723H04L29/12H04L45/50
CPCH04L45/34H04L45/50H04L2101/659
Inventor 陈哲万俊杰刘莉莉黄小红
Owner HUAWEI TECH CO LTD
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