Title:
PROTECTION SWITCHING METHOD, DEVICE AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/000241
Kind Code:
A1
Abstract:
A protection switching method, device and system, which relate to the technical field of communications. The method comprises: a first network device determining that there is at least one unavailable link in a primary FlexE link group, and selecting m backup links from pre-configured backup links and taking same as protection links, wherein m is a positive integer, and m is less than or equal to the number of unavailable links in the primary FlexE link group; the first network device sending a protection switching notification to a second network device, and replacing m unavailable links from among the at least one unavailable link with the m protection links; the second network device using the m protection links to replace the m unavailable links according to the protection switching notification, wherein the m protection links correspond to the m unavailable links on a one-to-one basis; and the second network device sending a protection switching response to the first network device. The embodiments of the present application satisfy the application requirements for a FlexE for protection switching.
Inventors:
SUN LIANG (CN)
Application Number:
PCT/CN2017/090402
Publication Date:
January 03, 2019
Filing Date:
June 27, 2017
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L12/24
Foreign References:
| CN102833089A | 2012-12-19 | |||
| CN101997751A | 2011-03-30 | |||
| CN106803785A | 2017-06-06 | |||
| EP3013017A1 | 2016-04-27 |
Other References:
See also references of EP 3618350A4
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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