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Message forwarding method and device applied to SDN

A message forwarding and message technology, which is applied in the field of network communication, can solve the problem of insufficient hardware table item resources of the physical gateway, and achieve the effect of saving hardware table item resources

Active Publication Date: 2016-05-18
NEW H3C TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

As described above, the MAC forwarding entries generated by the physical gateway are hardware entries, which need to be stored in the hardware entry resources of the physical gateway, and the hardware entry resources of the physical gateway have certain specification requirements. , the SDN controller sends the MAC+IP flow entry of each VM to the physical gateway in units of VMs, which will lead to the defect of insufficient hardware table entry resources in the physical gateway

Method used

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  • Message forwarding method and device applied to SDN
  • Message forwarding method and device applied to SDN
  • Message forwarding method and device applied to SDN

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Embodiment Construction

[0043] 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.

[0044] The method provided by the invention includes figure 2 The flow shown:

[0045] see figure 2 , figure 2 The flow chart of the method provided by the present invention. Such as figure 2 As shown, the process may include the following steps:

[0046] In step 201, the SDN controller notifies the cloud platform of the identification of each VTEP in the SDN.

[0047] In the present invention, the identification of each VTEP can be added on the SDN controller through a configuration method. After the identification of each VTEP is successfully added to the SDN controller, the SDN controller will notify the cloud platform of the added identification of each VTEP.

[0048] As an embodiment of the present invention, the identifier of the V...

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Abstract

The invention provides a message forwarding method and a device applied to an SDN. According to the technical scheme of the invention, an SDN controller issues the flow entry of each VM to a physical gateway with the VTEP instead of the VM as a unit, wherein the MAC address in the issued flow entry is the aggregated MAC address of an MAC address pool allocated to the VTEP instead of the real MAC address of the VM. When an MAC forwarding table entry is generated by the physical gateway based on flow entries, a single MAC forwarding table entry is generated based on N (larger than one) flow entries. That means, for the above N flow entries, only one MAC forwarding table entry is stored in the hardware table entry resource of the physical gateway. Therefore, the hardware table entry resource of the physical gateway is saved. The defect that the hardware table entry resource of the physical gateway is insufficient can be overcome.

Description

technical field [0001] The present application relates to network communication technology, and in particular to a message forwarding method and device applied in a software-defined network (SDN: Software Defined Network). Background technique [0002] The cloud platform is responsible for the management of business servers in SDN, such as creating virtual machines (VM: Virtual Machine) and creating virtual switches (vSwitch) on business servers. [0003] figure 1 It shows the networking of cloud platform management service servers. Such as figure 1 As shown, when VM1 is successfully created on cloud platform service server 1, the IP address and MAC address of VM1 are sent to the SDN controller (CONTROLLER) as the identifier of VM1. After receiving the identifier of VM1, the SDN controller automatically creates a virtual port (vport) corresponding to VM1, and initializes the port state of the vport corresponding to VM1 to be in a disconnected state (down). VM1 sends a gr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L29/08H04L29/12H04L45/74
CPCH04L45/745H04L67/02H04L61/5061H04L2101/622Y02D30/00
Inventor 高庆光王海
Owner NEW H3C TECH CO LTD
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