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Method of updating address information, device and system

An address information and address update technology, applied in the field of communications, can solve the problems of ARP convergence time, long failover and failback time, unfavorable business intensive deployment, etc., so as to reduce failover/ failover time and simplify the ARP protocol process. , The effect of reducing the packet loss of business traffic

Active Publication Date: 2014-07-02
CHINA TELECOM CORP LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Since the ARP cache update of the base station and the standby gateway is performed after there is a business demand, the ARP convergence time, failover and switchback time are too long, which is not conducive to the intensive deployment of services

Method used

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  • Method of updating address information, device and system
  • Method of updating address information, device and system
  • Method of updating address information, device and system

Examples

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0050] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0051] At the same time, it should be understood that, for the convenience of d...

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Abstract

The invention discloses a method of updating address information, a device and a system. According to the method of updating address information, the state of a first pseudo wire currently used and connected with a first gateway is detected; when the first pseudo wire is detected to fail, second pseudo wire connection with a second gateway is built; the acquired IP address of a logic interface terminating the second pseudo wire and the MAC (media access control) address on the second gateway are sent to a base station, such that the base station can use the IP address of a logic interface terminating the second pseudo wire and MAC address on the second gateway to update local ARP (address resolution protocol) address information; and the acquired base station IP address and the MAC address are sent to the second gateway, such that the second gateway can use the base station IP address and the MAC address to update the local ARP address information. After successful pseudo wire negotiation, the relevant address is instantly reported to corresponding network equipment, simplification of the ARP protocol process, reducing of PW failure switching / backfitting time and reducing service flow packet loss can be realized.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method, device and system for updating address information. Background technique [0002] With the rapid development of 3G (The3rd Generation, third-generation mobile communication system) and LTE (Long Term Evolution, long-term evolution) services, many operators have implemented integrated access network (IP (Internet Protocol, Internet Protocol) RAN (Radio Access Network, wireless access network)) pilot. According to the business requirements in the next 2-3 years and the feedback information in the pilot project, it is found that when the base station and the gateway perform traffic forwarding based on the original ARP (Address Resolution Protocol, Address Resolution Protocol) mechanism, the ARP convergence is too slow. Too many packets are lost when switching. [0003] In the foreseeable dense deployment and high-bandwidth deployment scenarios, the original mechanism ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 杨广铭张伟毛东峰阎璐卢泉兰潮黄卓君梁筱斌孙嘉琪袁世章
Owner CHINA TELECOM CORP LTD
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