SYSTEM, METHOD AND DEVICE FOR AUTOMATIC PROTECTION

专利名称：SYSTEM, METHOD AND DEVICE FOR

AUTOMATIC PROTECTION SWITCHING

发明人：HAO, Yinghai,LV, Yongxin,TAN, Guobin申请号：EP08800930.3申请日：20080919公开号：EP2204952A1公开日：20100707

专利附图：

摘要：The present invention relates to network management and discloses a system,method, and device for Automatic Protection Switching (APS). The system includes asending device and a receiving device. The sending device includes a first sending line card

and a second sending line card. The receiving device includes a first receiving line card anda second receiving line card. The method includes these steps: the first receiving line cardand the second receiving line card at the receiver check whether a continuity checkmessage is received from the transmitter; and service switching is performed if the firstreceiving line card does not receive the continuity check message but the secondreceiving line card receives the continuity check message within a preset time. Thereceiving device includes a first receiving line card and a second receiving line card. In theembodiments of the present invention, the first receiving line card and the secondreceiving line card check arrival of continuity check messages, and perform centralizedswitching control on the line cards automatically according to the check result, thusimproving APS efficiency and reliability of a PS-based transport network.

申请人：Huawei Technologies Co., Ltd.

地址：Huawei Administration Building Bantian Longgang District, ShenzhenGuangdong 518129 CN

国籍：CN

代理机构：Charles, Glyndwr

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