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Communication resource releasing method and its system

A communication resource and resource release technology, which is applied in the field of communication methods and systems, can solve problems such as waste of system resources, disconnection of mobile stations, lack of real-time performance, etc., and achieve the effect of improving system efficiency and clearing system junk information

Inactive Publication Date: 2006-12-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 1. For the mobile station: the mobile station is unreachable, the mobile station is disconnected or shut down without sending a network exit request, the battery of the mobile station is exhausted, and other reasons for the abnormality of the mobile station may cause session correlation between the access service network gateway and the home agent. Resources cannot be released normally
[0009] 2. In terms of access service network gateway: in scenarios such as mobile station switching, sudden traffic of prepaid users causing insufficient balance, and management reasons, session-related resources may not be released normally at the access service network gateway
[0010] 3. Home agent: Mobile IP (MIP, Mobile IP) sessions are deleted due to management reasons, mobile IP users switch to a new access service network gateway, and mobile IP users switch to a new access service network gateway but are not supported In scenarios such as deleting the binding information with the original access service network gateway due to the need for dual-casting, session-related resources may not be released normally in the home agent
[0011] It can be seen from the above that because the resource release in WiMAX relies on the aging mechanism, it is not real-time, and the resource release mechanism is not perfect, so there is a lot of garbage information in the network, and there are various R6 interface resources and R4 interface resources that should be released in time but have not been released. , mobile IP binding resources, header compression and header removal context resources, flow template resources, and billing UDR resources, etc., resulting in waste of system resources

Method used

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  • Communication resource releasing method and its system
  • Communication resource releasing method and its system
  • Communication resource releasing method and its system

Examples

Experimental program
Comparison scheme
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Embodiment approach

[0071] After the user connection is established between the access service network gateway and the AAA server, the AAA server may notify the access service network gateway to release connection-related resources by sending a Disconnect message. refer to image 3 , this implementation mode takes the handover between cross-access service network gateways caused by mobile station movement under the simple IP application situation as an example, to illustrate the first implementation mode of the communication resource release method of the present invention, including the following steps:

[0072] 301. The current access service network gateway sends a RADIUS access request Access-Request message to the home AAA server. The message contains the WiMax attribute: Session Termination Capability (STC), with a value of 1, indicating that the access service network gateway supports Radius dynamic authentication. rights extension. The STC is an agreed extension name of a resource recovery...

no. 2 approach

[0091] 1) The second embodiment of the communication resource release method of the present invention is the resource release based on dynamic authentication extension between the access service network gateway and the AAA server:

[0092] The specific release mechanism and flow are the same as the above-mentioned flow of the communication resource release method in the case of the application of the present invention to simple IP. In this embodiment, the resource decision-making functional entity is an AAA server, and the resource usage functional entity is an access service network gateway.

no. 3 approach

[0093] 2) The third embodiment of the communication resource release method of the present invention is the resource release based on dynamic authentication extension between the home agent and the home AAA server:

[0094] In this embodiment, the resource decision-making functional entity is the home AAA server, and the resource usage functional entity is the home agent.

[0095] After the home agent receives the MIP RRQ message forwarded by the access service network gateway, the RADIUS access request message sent to the home AAA server includes the STC attribute with a value of 1.

[0096] The home AAA server responds to the RADIUS Access Accept message, and carries the STC attribute according to the capabilities of the home agent and the local policy, indicating the suggested resource recovery method. In this example, the value of the STC attribute is 1.

[0097] The home AAA server sends a RADIUS disconnect request to the home agent, and the home agent requests the releas...

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Abstract

The disclosed release method for communication resource comprises: once have negotiated release way by the resource decision entity and application entity, the former indicates the latter to release the resource according to indication. This invention can improve system efficiency.

Description

technical field [0001] The present invention relates to a communication method and system thereof, in particular to a communication resource release method and system thereof. Background technique [0002] Worldwide Interoperability Microwave Access (WiMAX, Worldwide Interoperability MicrowaveAccess, also known as 802.16 or IEEE802.16 standard in Chinese) is a wireless metropolitan area network (WMAN) technology, and it is a new airborne network proposed for microwave and millimeter wave frequency bands. The interface standard can provide high-speed Internet-oriented connection. Like Wi-Fi, WiMAX is used to transmit wireless signals to solve the problem of wireless metropolitan area network. Using this technology, users can perform wireless data communication at a very fast speed within a range of 50 kilometers. [0003] The prior art WiMAX network reference model can be found in figure 1 . As shown in the figure, a WiMAX mobile station (MSS, Mobile Subscribe Station) 10...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/06H04Q7/38H04Q7/36H04L12/28
Inventor 刘靖
Owner HUAWEI TECH CO LTD
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