A method and system for hap switching

Abstract

The invention discloses a method and system for switching a Host Identification Protocol (HAP) device access point (HAP). The method includes: when the IP address of a Host Identification Protocol (HIP) device changes, the HIP device uses the obtained packet round-trip time ( The HAP information with smaller RTT) determines whether to switch HAP, or the original HAP of the HIP device determines whether the HIP device performs HAP switching based on the obtained HAP information with smaller RTT with the HIP device; when deciding to perform HAP switching , the HIP device establishes a HIP association with the new HAP and closes the association with the original HAP; and the original HAP forwards the data sent to the HIP device to the new HAP. Through the present invention, the problem of long interaction time delay 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 is solved.

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...

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