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Triangle forwarding method for access request and GLB server

A technology of access request and forwarding method, which is applied in the field of network communication, can solve problems such as troublesome implementation and reduced message forwarding performance, and achieve the effect of simple implementation

Inactive Publication Date: 2011-03-30
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since access requests need to be encapsulated and decapsulated at both ends of the tunnel, it is cumbersome to implement and reduces the packet forwarding performance

Method used

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  • Triangle forwarding method for access request and GLB server
  • Triangle forwarding method for access request and GLB server
  • Triangle forwarding method for access request and GLB server

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Embodiment Construction

[0022] In order to make the purpose, 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.

[0023] The method provided by the present invention mainly includes: after the first GLB server receives the access request, it performs global load balancing among data centers with the same domain name to determine the optimal data center; if the data center corresponding to the first GLB server is not optimal data center, replace the destination address of the access request with the IP address of the second GLB server corresponding to the optimal data center, and after carrying the information of the first GLB server in the access request, the access The request is sent to the second GLB server; the second GLB server uses the received access request to obtain the IP address of the first GLB server, and sends the access request to the optimal d...

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Abstract

The present invention provides an accessing requesting triangular forwarding method and global load balance GLB server. A first GLB server, after receiving the accessing request, if the optimum data centre determined by global load balance policy is not the self corresponding data centre, substitutes the destination address of the accessing request for the IP address of a second GLB server corresponding the optimum data centre, and transmits the accessing request after it carries the information of the first GLB server, so that the second GLB server can acquire the IP address of the first GLBserver after receiving the accessing answer and takes the IP address of the first GLB server as the source address of the request response upon answering the request of a customer terminal. Accordingly the customer terminal can exactly receive the request answer and guarantee normalization accessing of the data centre, further more, the invention has no need for additional occupation of public network address and additional packaging and dispackaging of packet, thereby realizing more simply.

Description

technical field [0001] The invention relates to network communication technology, in particular to a triangular forwarding method of an access request and a global load balance (GLB, Global Load Balance) server. Background technique [0002] With the continuous development of network technology and the continuous expansion of various services, operators usually set up data centers with the same domain name in different physical locations, so that when a single data center fails, users can still access other data centers to protect business and enables users in different physical locations to obtain optimal access speed by accessing the nearest site. [0003] Wherein, one or more data centers in the same physical location correspond to a GLB server, and the GLB server is responsible for sending the received access request from the user to the optimal data center. Users can access the data center through the domain name or IP address, such as figure 1 As shown, if the data c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/12H04L45/74
Inventor 崔晓会
Owner NEW H3C TECH CO LTD
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