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Message transmission method and device in VXLAN network

A message transmission and network technology, applied in the field of message transmission, can solve problems such as the source address translation of service packets, interruption of service packets, and the inability to convert service packets back to the IP address of virtual machine 2, etc. The effect of configuration work and avoiding interruption of service packet interaction

Active Publication Date: 2015-03-25
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when VXLAN gateway 2 receives the converted service packet, it cannot convert the destination address of the service packet back to the IP address of virtual machine 2, and cannot convert the source address of the service packet back to the IP address of virtual machine 1. , resulting in the interruption of the exchange of service packets between virtual machine 1 and virtual machine 2

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  • Message transmission method and device in VXLAN network
  • Message transmission method and device in VXLAN network
  • Message transmission method and device in VXLAN network

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Embodiment Construction

[0039] Aiming at the problems existing in the prior art, an embodiment of the present invention provides a packet transmission method in a VXLAN network, which is applied to a network (such as an overlay network) including a first data center and a second data center. The first Both the data center and the second data center are VXLAN networks, and the first data center and the second data center are interconnected through the EVI network. by figure 1 It is a schematic diagram of the application scenario of the embodiment of the present invention, the first data center is data center 1, and there is a multicast domain 1 of VXLAN5001 in data center 1, and data center 1 is a VXLAN network; the second data center is data center 2, in There is multicast domain 2 of VXLAN5002 in data center 2, and data center 2 is a VXLAN network; data center 1 and data center 2 implement Layer 2 communication of the same VLAN500 through the EVI network.

[0040] Further, data center 1 includes a ...

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Abstract

The invention discloses a message transmission method and device in the VXLAN network. The method includes the steps that a first VXLAN gateway obtains first input port allocation and first output port allocation; the first VXLAN gateway transmits the first input port allocation and the first output port allocation to a second VXLAN gateway; the second VXLAN gateway generates second input port allocation through the first input port allocation and generates second output port allocation through the second input port allocation; when the first VXLAN gateway receives a service message, a destination address of the service message is converted through the first input port allocation, a source address of the service message is converted through the first output port allocation, and the converted service message is transmitted to the second VXLAN gateway. In the embodiment, interruption of interaction of the service message between virtual machines of different data centers is avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a message transmission method and equipment in a VXLAN (Virtual eXtensible Local Area Network, Virtual Extended Local Area Network) network. Background technique [0002] Overlay Network (overlay network) is an application layer network. An overlay network refers to a network built on another network. Nodes in an overlay network can be regarded as connected through virtual or logical links. The overlay network of the data center is to deploy related server applications (or virtual machine applications) in the same Layer 2 network. Currently, mainstream overlay network technologies in data centers include VXLAN. [0003] VXLAN is a mechanism for encapsulating MAC (Media Access Control, Media Access Control) addresses in UDP (User Datagram Protocol, User Datagram Protocol), and implements VM (Virtual Machine) on the widely deployed IP core network. Layer 2 intercon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/937
Inventor 李蔚
Owner NEW H3C TECH CO LTD