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Cache maintenance method and system

A technology for caching and maintaining modules, applied in the field of communication, can solve problems affecting user communication experience, achieve the effect of improving communication success rate and ensuring correctness

Active Publication Date: 2011-05-04
BINZHOU DAYOU NEW ENERGY DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This mechanism works well in the fixed network environment, but in the mobile network environment, the user is moving. If the user moves during the effective period of the EID-RLOC cache time

Method used

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  • Cache maintenance method and system

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Abstract

The invention relates to a cache maintenance method, comprising the following steps: A, establishing subscription relationship: a mapping plane establishes the subscription relationship pointing to a specific terminal according to a subscription request of an access service node; and B, refreshing a cache in real time: when the position information of the terminal changes, the mapping plane informs the access service node according to the subscription relationship, and the access service node refreshes the position information of the terminal in the local cache in real time. By utilizing the cache maintenance method and system provided by the invention, the cache information can be refreshed in real time, and the communication success ratio is improved.

Description

technical field [0001] The invention relates to the communication field, in particular to a cache maintenance method and system. Background technique [0002] In order to solve the problem of rapid expansion of the routing table capacity of Internet core router nodes and the ambiguity of IP addresses, IETF (Internet Engineering Task Force, Internet Engineering Task Force) has proposed the technology of separating identity and location in recent years. , the LISP protocol proposed by the Locator and Identifier Separation Protocol) working group as an example, its terminal identity (EID, Endpoint IDentifier) ​​does not participate in the routing of the IP core network, and the backbone router can only see the interface routing address (RLOC) of the border access router. , Routing LOCator), and a border router can access a large number of terminals, a mapping plane is set separately to store the corresponding relationship between the terminal identity EID and the router RLOC. ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06
CPCH04L49/90
Inventor 汪军
Owner BINZHOU DAYOU NEW ENERGY DEV