Title:
TOPOLOGY DETERMINATION METHOD, MESSAGE RESPONSE METHOD, CONTROLLER AND SWITCH
Document Type and Number:
WIPO Patent Application WO/2018/000859
Kind Code:
A1
Abstract:
Disclosed in an embodiment of the present invention is a topology determination method, used for an OFC to determine a complete topological structure of a mixed SDN-IP network. The method embodied in the present invention comprises: an OFC receiving a first message forwarded by a first OFS, a first port of said first OFS being connected to a second port of a first TS, and the first message comprising identification information for the first TS and information on the second port; according to the first message, determining link information in the direction from the first TS to the first OFS; sending a second message to the first OFS, and indicating that the first OFS forward the second message over the first port, causing the first TS to obtain link information in the direction from the first OFS to the first TS; sending a third message, the third message being used to request management information base (MIB) information of the first TS; receiving a response message to the third message, the response message to the third message containing MIB information of the first TS; according to the MIB information of the first TS, obtaining link information in the direction from the first OFS to the first TS, and link information in the direction from a second TS to the first TS.
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Inventors:
ZHENG XIULI (CN)
WANG JIAO (CN)
WANG JIAO (CN)
Application Number:
PCT/CN2017/077120
Publication Date:
January 04, 2018
Filing Date:
March 17, 2017
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L45/02
Foreign References:
| CN104579968A | 2015-04-29 | |||
| CN104734988A | 2015-06-24 | |||
| US20160080254A1 | 2016-03-17 | |||
| CN201610503105A | 2016-06-30 |
Other References:
See also references of EP 3461080A4
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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