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Data center intercommunication method and apparatus

A data center and data technology, applied in the field of network communication, can solve the problems of unable to send out, unable to realize data center intercommunication, etc., to achieve the effect of intercommunication

Active Publication Date: 2017-06-20
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the edge device in the data center (which is also a VTEP, referred to as the edge VTEP device), when the message is received through the VXLAN tunnel between other VTEPs and VXLAN decapsulates the message, it will not continue to be forwarded through the VXLAN tunnel As a result, the messages that access other data centers in the data center are all terminated at the edge device and cannot be sent out, and the intercommunication between data centers cannot be realized.

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  • Data center intercommunication method and apparatus
  • Data center intercommunication method and apparatus

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] In the present invention, in order to realize intercommunication of data centers, a tunnel is established between edge devices of data centers: VXLAN data center interconnection tunnel (VXLAN-DCI Tunnel).

[0024] VXLAN-DCI Tunnel is used to implement intercommunication between data centers. pass below figure 2 Specifically describe how data centers communicate through the VXLAN-DCI Tunnel:

[0025] see figure 2 , figure 2 The flow chart of the method provided by the present invention. The method is applied to the first edge VTEP device of the first data center. It should be noted that the first data center here generally refers to any data center, which is mainly named for the convenience of distinguishing it from the data centers ...

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Abstract

The invention provides a data center intercommunication method and apparatus. In the data center intercommunication method and apparatus, a VXLAN (Virtual eXtensible Local Area Network)-DCI Tunnel which does not support a horizontal segmentation characteristic is established between data centers, and intercommunication is performed between a VXLAN Tunnel and the VXLAN-DCI Tunnel, so that intercommunication between the data centers can be realized.

Description

technical field [0001] The present application relates to network communication technology, in particular to a data center intercommunication method and device. Background technique [0002] In a virtual extended local area network (VXLAN: Virtual eXtensible Local Area Network), point-to-point connections and communications between VXLAN tunnel endpoints (VTEP: VXLAN Tunnel Endpoints) are completed through VXLAN tunnels. [0003] Such as figure 1 In the VXLAN data center shown, a VXLAN tunnel is established between VTEP1 and VTEP2. When virtual machine (VM) 1 under VTEP1 accesses VM2 under VTEP2, VTEP1 performs VXLAN encapsulation on the message of VM1 accessing VM2 and sends it through the VXLAN tunnel. VXLAN-encapsulated packets are sent to VTEP2, and VTEP2 decapsulates the received packets in VXLAN and sends them to VM2. [0004] For the edge device in the data center (which is also a VTEP, referred to as the edge VTEP device), when the message is received through the V...

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Application Information

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IPC IPC(8): H04L12/46
CPCH04L12/4633H04L12/4641
Inventor 刘壮丽程剑锋
Owner NEW H3C TECH CO LTD