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Method for sending ARP message in VxLAN, VTEP and VxLAN controller

A technology of ARP messages and controllers, which is applied in the direction of data exchange, electrical components, and transmission systems through path configuration. The effect of wasting and saving the traffic used

Active Publication Date: 2014-03-19
HUAWEI CLOUD COMPUTING TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present invention provides a method for sending ARP messages in VxLAN, VTEP and VxLAN controller, which can solve the problem of occupying a large amount of information transmission bandwidth during the process of establishing communication between virtual machines based on the VxLAN virtualization network. A lot of traffic, which caused a waste of resources

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  • Method for sending ARP message in VxLAN, VTEP and VxLAN controller

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Embodiment Construction

[0052] The technical solutions in this embodiment will be clearly described below in conjunction with the accompanying drawings in this embodiment. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0053] The embodiment of the present invention provides a method for sending an address resolution protocol ARP message in a virtual extensible local area network (VxLAN), which can be applied to such as figure 1 In the shown VxLAN, the VxLAN includes a source VxLAN tunnel endpoint VTEP, a target VTEP, and a VxLAN controller;

[0054] The source VTEP is used to manage the communication of the source virtual machine VM running on the source server in the VxLAN.

[0055] The destination VTEP is used to manage the comm...

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Abstract

The invention discloses a method for sending an ARP (Address Resolution Protocol) message in a VxLAN (Virtual Extensible LAN), a VTEP (VxLAN Tunnel Endpoint) and a VxLAN controller so that a problem that resource waste is generated because messages are sent in a multicast method is eliminated. The method for sending the ARP message mainly includes that: a source VTEP receives an ARP message of a source virtual machine (VM), wherein the APP message is used for requesting a media access control MAC address of a target VM and the ARP message carries the IP address of the target VM; the IP address of the target VM, carried in the APP message is acquired; a query request is sent to the VxLAN controller so as to acquire the IP address of a target VTEP, wherein the query request carries the IP address of the target VM; the IP address of the target VTEP is acquired from the VxLAN controller; the APP message is packaged according to the IP address of the target VTEP so that a VxLAM message is generated; and the VxLAM message is sent to the target VTEP.

Description

technical field [0001] The invention relates to the field of computer network communication, in particular to a method for sending ARP messages in VxLAN, a VTEP and a VxLAN controller. Background technique [0002] In the prior art, a virtual extensible local area network (Virtual extensible LAN, VxLAN) technology is applied to extend network virtualization, so as to obtain a sufficient number of virtual networks to satisfy users. [0003] The process of establishing communication between virtual machines based on the VxLAN virtualization network is as follows: [0004] The source virtual machine (Virtual Machine, VM) sends an address resolution protocol (Address Resolution Protocol, ARP) message to request the media access control (Media Access Control, MAC) address of the destination VM; the source VxLAN tunnel corresponding to the source VM The terminal (VxLAN Tunnel Endpoint, VTEP) constructs an Internet Group Management Protocol (IGMP) message based on the ARP message,...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L12/46
CPCH04L61/103
Inventor 刘万来熊志强宋宇
Owner HUAWEI CLOUD COMPUTING TECH CO LTD
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