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Title:
CLOCK TIME SOURCE SELECTION METHOD, DEVICE AND NETWORK ELEMENT
Document Type and Number:
WIPO Patent Application WO/2015/196801
Kind Code:
A1
Abstract:
A clock time source selection method, device and network element for any network element in a data communication network (DCN) comprising a plurality of network elements, the network element serving as a target network element, and the selection method comprising: receiving, via each input port, a clock packet transmitted by other network elements, the clock packet carrying clock time source information comprising the address and priority of the clock time source, and the clock time source being the locked clock time source of the network element transmitting the clock packet; and selecting one of the clock time sources corresponding to the clock packet received via each input port and the current locked clock time source of the target network element as a new locked clock time source of the target network element. The technical solution of the present invention can automatically select, via the clock packet carrying the clock time source and the clock priority of the clock time source, a clock time source having the highest clock priority without configuring the clock time, thus increasing the stability of a network.

Inventors:
LI XIN (CN)
ZHAO GUIYU (CN)
Application Number:
PCT/CN2015/071654
Publication Date:
December 30, 2015
Filing Date:
January 27, 2015
Export Citation:
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Assignee:
ZTE CORP (CN)
International Classes:
H04L7/00; H04L12/24
Foreign References:
CN102006135A2011-04-06
CN101159533A2008-04-09
CN101465707A2009-06-24
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
北京安信方达知识产权代理有限公司 (CN)
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