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Multicast forwarding method, device and electronic equipment

A forwarding method and forwarding device technology, applied in the field of data transmission, can solve problems such as increased pressure on public network broadband and increased VTEP2 replication workload, so as to reduce replication workload, reduce public network bandwidth, and alleviate multicast traffic congestion Effect

Active Publication Date: 2021-10-12
NEW H3C TECH CO LTD
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  • Claims
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Problems solved by technology

[0010] In the above process, when VTEP2 (the VTEP accessed by the multicast source) completes the replication and forwards two or more copies of the multicast traffic to the remote VTEP3 (the VTEP accessed by the user terminal), the workload of VTEP2 replication will be increased. , will also lead to an increase in the pressure on the broadband network of the public network

Method used

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  • Multicast forwarding method, device and electronic equipment
  • Multicast forwarding method, device and electronic equipment
  • Multicast forwarding method, device and electronic equipment

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Embodiment Construction

[0063] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. the embodiment. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0064] Currently, in EVPN network transmission, when the VTEP connected to the multicast source completes the replication and forwards two or more copies of multicast traffic to the remote VTEP connected to the user terminal, not only will the multicast source access The VTEP replication workload will also increase the pressure on the broadband network of the public network, and even ...

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Abstract

This application provides a multicast forwarding method, device, and electronic equipment, which relate to the technical field of data transmission. Since the same multi-homing network is configured with the same ESI, the multi-cast forwarding method provided by this application is based on the multi-homing scenario. The preset correspondence between VXLAN and ESI determines whether the multicast traffic sent by the multicast source is a multi-homing network. If so, only one copy of the multicast traffic needs to be sent to the remote VTEP. After reaching the remote VTEP , just copy it locally. In this way, the replication workload of the VTEP accessed by the multicast source is reduced, and the public network bandwidth occupied during the transmission process is also reduced, effectively alleviating the multicast traffic congestion caused by insufficient bandwidth resources.

Description

technical field [0001] The present application relates to the technical field of data transmission, in particular to a multicast forwarding method, device and electronic equipment. Background technique [0002] In the EVPN (Ethernet Virtual Private Network, Ethernet Virtual Private Network) network, in order to improve link bandwidth utilization and enhance network reliability, multiple VTEPs (VXLAN Tunnel End Point, VXLAN (Virtual eXtensible LAN, extensible virtual local area network) tunnel endpoint), which forms a multi-homing access. EVPN multihoming introduces the following concepts: [0003] ES (Ethernet Segment, Ethernet segment): When a site (device or network) is multi-homed to the EVPN network through multiple Ethernet links, these multiple Ethernet links form an Ethernet segment, that is, ES. ES is identified by ESI (Ethernet Segment Identifier, Ethernet Segment Identifier). [0004] Among them, when the EVPN ES network implements multicast IGMP Snooping (Inter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/761H04L12/931H04L12/46H04L45/16
CPCH04L12/4641H04L45/16H04L49/201
Inventor 黄李伟王伟
Owner NEW H3C TECH CO LTD
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