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A method and device for learning the state of a virtual link

A virtual link and link technology, which is applied in the field of knowing the status of virtual links, can solve problems affecting network stability, etc., and achieve the effect of reducing the impact and reducing keepalive messages

Active Publication Date: 2016-09-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, for cloud computing services, each FCF can connect to thousands of servers, and each server can have dozens or even hundreds of virtual links. According to existing standards, FCF needs to periodically process There are hundreds of thousands of keepalive messages. Obviously, such a huge number of keepalive messages far exceeds the processing capability of the CPU of the FCF, and will inevitably affect the stability of the network.

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  • A method and device for learning the state of a virtual link
  • A method and device for learning the state of a virtual link
  • A method and device for learning the state of a virtual link

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Embodiment Construction

[0046] In the FCOE network, there are two types of keepalive packets. One is the keepalive packet sent by the server. The packet structure is as follows: figure 1 As shown, the message header includes the FIP (FCOE Initialization Protocol, FCOE initialization protocol) message type (FIP_Type), version number (Version), FIP protocol code (FIP Code), sub-protocol code (sub Code), FIP description Field list length (FIP decp list length), the message payload only carries the MAC (Medium Access Control, Media Access Control layer) address description field of the server; the other is the keepalive message sent by the virtual link, the message structure Such as figure 2 As shown, compared with the keepalive message sent by the server, the keepalive message sent by the virtual link identifies the virtual link by carrying the FIP Vx_Port Identification description field. In the existing technology, according to the standard, the server and each virtual link set on the server will pe...

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Abstract

Disclosed are a method and device for obtaining virtual link state. An Ethernet fiber channel switch receives a link keep-alive message sent by a server. The Ethernet fiber channel switch analyses the link keep-alive message to obtain the identification information of the normal virtual link in the link keep-alive message; the Ethernet fiber channel switch determines the normal virtual link according to the identification information of the normal virtual link in the link keep-alive message. By improving the link keep-alive message sent by the prior server, and adding the identification information of the normal virtual link corresponding to the server in the message, the embodiments of the invention make the Ethernet fiber channel switch obtain the virtual link state according to link keep-alive message received, thus the amount of link keep-alive message sent via the virtual link is greatly reduced and the influence on the stability of the network is reduced.

Description

technical field [0001] The present invention relates to the field of network technology, in particular to a method and equipment for acquiring the state of a virtual link. Background technique [0002] The FCOE (Fiber Channel over Ethernet, Fiber Channel over Ethernet) network can support multiple FCF (FCOE Forwarder, FCOE switch) network element nodes. With the continuous expansion of cloud computing services, FCF, as an aggregation node, must support at least thousands or even Tens of thousands of servers are connected, and each server can have multiple virtual links to meet business needs. [0003] In the existing standard, each virtual link needs to periodically send a keepalive (link keep alive) message to the FCF, and the FCF periodically monitors the message to sense whether the status of the virtual link is normal. If no keepalive message is received for a certain virtual link within a certain period, the status of the virtual link is considered to be abnormal, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00H04L12/931
CPCH04L43/00
Inventor 于来凯朱筠
Owner HUAWEI TECH CO LTD