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A method and system for hap switching

A binding relationship and IP address technology, applied in the field of telecommunications, can solve the problem of prolonged interaction between UE and HIP equipment, so as to improve user experience and reduce data sending and receiving delays

Active Publication Date: 2016-02-10
ZTE CORP
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  • Application Information

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Problems solved by technology

[0023] In view of this, the main purpose of the present invention is to provide a method and system for HAP switching, which can solve the problem of long delay in interaction between the UE and the HIP device caused by the RTT between the UE and the HAP changing from small to large after the UE moves. long question

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  • A method and system for hap switching

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Embodiment Construction

[0070] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0071] The technical solution of the present invention is aimed at when the connection between the UE and the HAP is not optimal due to the movement of the UE (that is, the RTT between the UE and the HAP is relatively large), through such as Figure 5 The shown HAP switching enables the UE to establish a HIP association with a better HAP (meaning that the RTT between the HAP and the UE is smaller), and forwards and receives data through the better HAP, thereby reducing data sending and receiving delays, Improve user experience. Both UE and HAP described in the present invention belong to HIP equipment.

[0072] The core of technical solution of the present invention is:

[0073] HIP devices (including UEs and other HIP devices accessing the HAP) first register on the infrastructure, and select the HAP that is close...

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Abstract

Disclosed in the present invention are a Host Identity Protocol Access Point (HAP) handoff method and system. The method includes: after the IP address of a Host Identity Protocol (HIP) device changes, the HIP device decides whether to perform a HAP handoff according to obtained HAP information wherein the packet Round Trip Time (RTT) is shorter, or the original HAP of the HIP device decides whether the HIP device should perform the HAP handoff according to obtained HAP information wherein the RTT between the HIP device and the HAP is shorter; when deciding to perform the HAP handoff, the HIP device establishes an association with a new HAP and closes the association with the original HAP; and the original HAP forwards the data sent to the HIP to the new HAP. The present invention solves the problem of long interaction delays between a UE and a HIP device, which are caused by the change from short to long of the RTT between the UE and the HAP after the UE moves.

Description

technical field [0001] The present invention relates to the field of telecommunications, in particular to a method and system for switching a Host Identity Protocol (HIP, Host Identity Protocol) device access point (HAP). Background technique [0002] Currently, there are two main namespaces of the Internet (Internet): the Internet Protocol (IP, Internet Protocol) address and the domain name system. The IP address not only acts as an addressing function, but also serves as the role of identifying the host of the communication equipment. This dual function determines that when the IP address changes, not only the route changes, but also the identification of the host of the communication equipment changes. Changes in routing are acceptable, but changes in device identity can disrupt applications and connections. The introduction of HIP solves the binding of device identification and address. HIP requires any device to have a globally unique host identification code (HI, Host...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/12
CPCH04W36/36H04W36/005H04W84/12
Inventor 沈炯汪军高扬
Owner ZTE CORP
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