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Remote access communication method, apparatus and system

A technology for remote access and communication systems, which is applied in the fields of remote access communication methods, equipment and systems, and can solve the problems of complex management and maintenance and high cost.

Active Publication Date: 2008-11-19
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] This typical remote access (PPP dial-up) method requires a remote service device (VPDN server) to configure, manage and maintain user terminal devices, which is complex and costly

Method used

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  • Remote access communication method, apparatus and system
  • Remote access communication method, apparatus and system
  • Remote access communication method, apparatus and system

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0027] Call flow for accessing a virtual private network (VPN) through implicit authentication. Let's take the user initiates an IP session call as an example, see figure 2 Shown is the establishment process of implicitly authenticated IP Session dynamic access VPN, as follows:

[0028] S201: The user (User) turns on a network terminal device such as a computer, sends a discovery message DHCP Discover of the Dynamic Host Configuration Protocol through the DHCP client agent, and starts the address allocation process;

[0029] S202: The access point (Access Node, AN) captures the DHCPDiscover message sent by the user terminal equipment, and inserts the receiving port number or DSL port number of the captured message into the DHCP Discover in the format of Option 82 (82 option) message, and then forward the modified message;

[0030] The access point here can implement the Layer 2 DHCP relay (L2 DHCP Relay) function, such as the digital subscriber line access aggregation devic...

no. 2 example

[0043] A call flow for accessing a virtual private network (VPN) through an authentication mode of the Protocol for carrying Authentication for Network Access (PANA). Let's take the user initiates an IP session call as an example, see image 3 Shown is the establishment process of PANA-authenticated IP Session dynamic access VPN, as follows:

[0044] S301: The user opens a network terminal such as a computer, sends a DHCP Discovery (Dynamic Host Configuration Protocol discovery message), and starts the address assignment process (IP config), so that the user obtains an IP address from DHCPServer1 and completes the address configuration process (such as the PANA authentication process flow same);

[0045] S302: After the address is allocated successfully, the user initiates a PANA authentication process to the IP edge device;

[0046] S303: After the Radius Server (authentication server) passes the PANA authentication, it carries the user policy in the authentication response...

no. 3 example

[0059] Call flow for accessing a virtual private network (VPN) through Dynamic Host Configuration Protocol (DHCP) authentication. Let's take the user initiates an IP session call as an example, see Figure 4 shown as DHCP Auth认证 The establishment process of IPSession dynamic access virtual private network is as follows:

[0060] S401: The user turns on a network terminal such as a computer, sends a DHCP Discovery (Dynamic Host Configuration Protocol discovery message), and starts the address allocation process;

[0061] S402: The access node (such as a DSLAM-data subscriber line access converging device) captures the user's DHCP Discover message and inserts the receiving port number or DSL port number of the message into the Option82 (82 option) format DHCP Discover message, and then forward the modified message;

[0062] In addition, thereafter, the access node may not modify subsequent messages (offer, request, and Ack) of the DHCP, but directly forward them.

[0063] S4...

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Abstract

The invention embodiment relates to a communication method, a device and a system of remote access; the user initiates the user session calling, acquires the channel information of the user session and establishes the two-layer channel and / or session with the remote service device; the two-layer address information of the user access is acquired; the two-layer address information is bound with the network position of the user; the mapping relation of the two-layer address information and the two-layer channel and / or session is established; the message is forwarded according to the mapping relation; the technical proposal and the dynamic channel establishing mechanism are adopted to avoid the user terminal device from being configured directly; thereby, the management and the operation deployment are simplified; meanwhile, the user can access to the target network even in the roaming state.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a remote access communication method, device and system. Background technique [0002] With the development of network interconnection and communication, traditional mainstream telecom operators have established different networks to carry different services in order to provide different services to different users, such as public switched network (PSTN) carrying telephone services, digital data network (DDN) ) bears corporate leased lines, etc. In order to reduce operating costs and improve profitability, telecom operators try to integrate different networks into one network to carry multiple services. Among them, the Internet Protocol (IP) bearer network, as the bearer technology of the converged network, is favored by operators. As more and more services continue to appear on the IP bearer network and continuously improve performance, such as IP bearer voice (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/46H04L9/32
CPCH04L61/103H04L12/2856H04L29/12028
Inventor 欧阳伟龙
Owner HUAWEI TECH CO LTD
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