ARP broadcast restraining system and method for achieving VxLAN based on SDN framework

An ARP request and ARP proxy technology, applied in the field of ARP broadcast suppression system, can solve problems such as poor effect

Active Publication Date: 2015-01-28
WUHAN GREENET INFORMATION SERVICE
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  • ARP broadcast restraining system and method for achieving VxLAN based on SDN framework
  • ARP broadcast restraining system and method for achieving VxLAN based on SDN framework
  • ARP broadcast restraining system and method for achieving VxLAN based on SDN framework

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[0077] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0078] The ARP (Address Resolution Protocol, Address Resolution Protocol) broadcast suppression system of VxLAN based on the SDN (Software Defined Network, software-defined gateway) framework in the embodiment of the present invention includes the SDN framework, see figure 1 As shown, the SDN framework includes an SDN controller, some VxLAN Gateways (extensible local area network gateways) and some VLAN switches, and the SDN controller is connected to all VxLAN Gateways (VxLAN Gateways are 2 in this embodiment: VxLAN Gateway1 and VxLAN Gateway2), Each VxLAN Gateway is connected to several VLAN switches respectively (in this embodiment, each VxLAN Gateway is connected to one VLAN switch respectively: VLAN switch 1, whose user is Host1; VLAN switch 2, whose user is Host2).

[0079] see figure 2 As shown, the SDN controller includes an SDN Open...

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Abstract

The invention discloses an ARP broadcast restraining system and method for achieving a VxLAN based on an SDN framework and relates to the field of the VxLAN in a data center. The system comprises an SDN controller, VxLAN Gateways and VLAN interchangers. The SDN controller comprises an SDN OpenFlow interface module, a communication domain management module, a topology management module, an ARP proxy module and an IP processing module, wherein all the modules are sequentially connected. Each VxLAN Gateway comprises a configuration management module, a VxLAN OpenFlow interface module, a flow meter management module, a tunnel encapsulation module, a tunnel decapsulation module and a VxLAN package receiving and sending module, wherein all the modules are sequentially connected. Each VLAN interchanger comprises a VLAN package receiving and sending module and a VLAN ID module. The system and method are easy to achieve, the number of transmission times of ARP broadcast messages can be remarkably reduced, ARP broadcast in various scenes can be avoided, the broadcast restraining effect is good, and the system and method can be used by people conveniently.

Description

technical field [0001] The present invention relates to the field of VxLAN (Virtual extensible LAN, virtual extensible local area network) of the data center, in particular to a kind of ARP (Address Resolution Protocol, address resolution protocol) broadcast suppression based on the framework of SDN (Software Defined Network, software defined gateway) realizing VxLAN systems and methods. Background technique [0002] VxLAN is a scalable virtual local area network, and VxLAN is superior to VLAN (Virtual Local Area Network, virtual local area network) technology in terms of scalability. VxLAN is applied inside the data center. VxLAN enables virtual machines to migrate within the interconnected three-layer network without changing the IP address and MAC (Media Access Control, Media Access Control) address, thereby ensuring business continuity. . [0003] VxLAN adopts 24bit (bit) network identification, enabling users to create 16M mutually isolated virtual networks, breaking ...

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Application Information

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IPC IPC(8): H04L12/18H04L29/06
Inventor 姚晶孙雷余平陈斌
Owner WUHAN GREENET INFORMATION SERVICE
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