Method and device for realizing vxlan message forwarding in asic

A technology of message forwarding and message, applied in the field of network communication, to achieve the effect of reducing cost, high bandwidth and low cost

Active Publication Date: 2016-03-02
SUZHOU CENTEC COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the network switching chip, how to realize the forwarding technology of VXLAN message has not been solved yet.

Method used

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  • Method and device for realizing vxlan message forwarding in asic
  • Method and device for realizing vxlan message forwarding in asic
  • Method and device for realizing vxlan message forwarding in asic

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Embodiment Construction

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0030] Such as figure 1 As shown, the realization of VXLAN message forwarding in the ASIC disclosed by the present invention is realized in the gateway of VXLAN. There are multiple VXLAN gateways between the IP network and the server, such as VXLANgateway1, VXLANgateway2, VXLANgateway3 and VXLANgateway4 in the figure, For data transmission between the IP network and the server. Multiple servers are connected to each VXLAN gateway, and multiple virtual machines are set on each server. Each VXLAN gateway can receive the uplink message sent from the corresponding server to the IP network and the downlink message sent from the IP network to the corresponding server. After processing the received message, it forwards it to the destination address. The VXLAN gateway The processes for proc...

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PUM

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Abstract

The present invention discloses a method and device for forwarding VXLAN messages in an ASIC. The forwarding of the VXLAN messages is processed by a VXLAN gateway installed between the server and the IP network. The forwarded VXLAN messages include uplink A message and a downlink message, the uplink message is a message sent from the server side to the IP network, and its processing process includes parsing the received message to determine whether it needs to be forwarded; , to obtain its corresponding VXLANID; use VXLAN? The ID and the message destination MAC address look up the table to obtain the processing information and forwarding port information of the message, and forward the message to be forwarded after encapsulation and processing. The invention realizes the unicast and multicast behaviors of the VXLAN message, and realizes the transition from the VLAN forwarding domain to the VXLAN-based forwarding domain through logic solidification in the ASIC.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a method and a device for realizing VXLAN message forwarding in ASIC (Ethernet switching chip) design. Background technique [0002] With the gradual development of virtualization and cloud computing, future data centers will deploy a large number of virtual machine applications. In order to control the communication between different virtual machines and virtual machines, as well as between virtual machines and tenants, VLAN (Virtual Local Area Network, Virtual Local Area Network) has naturally become a means of isolating different local area networks. However, due to the wide application of virtual technology, the number of tenants that can be supported in a data center has also greatly increased, and the layer 2 MAC addresses will experience explosive growth, and in theory, MAC addresses in different virtual LANs can overlap. Therefore, the number of original 4K VLANs has...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): H04L12/741H04L12/761H04L45/74H04L45/16
Inventor方沛昱廖继平
OwnerSUZHOU CENTEC COMM CO LTD