Network server access method and access system

A technology for network server and network access, applied in the field of method and access system, network server access, capable of solving problems that have not been raised

Inactive Publication Date: 2012-03-28
MAIPU COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] It can be seen from the above that the existing implementations have not yet proposed a simple and effective method for implementing L2TP LNS load sharing that does not depend on operators

Method used

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  • Network server access method and access system
  • Network server access method and access system
  • Network server access method and access system

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the solutions of the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0018] The invention proposes a method for accessing a network server, which is applied to an L2TP virtual private network VPN including an access concentrator LAC and more than two network servers LNS. see figure 1 , figure 1 It is a flowchart of a method for accessing a network server in an embodiment of the present invention. The specific steps are:

[0019] In step 101, the load sharing device records the number of sessions carried by the L2TP tunnel of each LNS.

[0020] In this step, when the load sharing device receives the L2TP tunnel establishment message, it records the tunnel ID of the tunnel, and records that the number of sessions carried by the tunnel is 0; Add 1 to the number of sessions; when receiving the notificati...

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PUM

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Abstract

The invention discloses a network server access method which is applied to an L2TP virtual private network (VPN) which comprises an access concentrator LAC and three or more network servers LNS. The method comprises the following steps: recording number of sessions carried by an L2TP tunnel of each LNS, and when receiving an L2TP connection establish request message sent by the LAC, according to the recorded number of sessions carried by the L2TP tunnel of each LNS, distributing LNS. According to the method, under the condition of not depending on a service provider, load sharing of L2TP LNS is simply and effectively realized.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and an access system for accessing a network server. Background technique [0002] A Virtual Private Dial-up Network (VPDN) provides connectivity for remote user devices that expect to connect primarily to a corporate network through an Internet Service Provider (ISP). L2TP (Layer 2 Tunneling Protocol) is a kind of VPDN technology. The user dials into the ISP, and the L2TP access controller (LAC) establishes an L2TP tunnel with the network server (LNS) on the user side, extending the point-to-point (PPP) connection on the user side from the LAC to the LNS, and connecting the remote user equipment to the LNS. into the company network. [0003] With the popularization of 3G applications, operators launch 3G private line services, and large-capacity L2TP application requirements arise. Operators establish L2TP tunnels with LNS through different LACs, and the number...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L12/56H04L12/911
Inventor 朱桂山李翔
Owner MAIPU COMM TECH CO LTD
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