Title:
DUAL-HOMING PROTECTION SYSTEM, DUAL-HOMING PROTECTION METHOD, AND RELATED DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/029902
Kind Code:
A1
Abstract:
The present application provides a dual-homing protection system applied to an optical communication system. The dual-homing protection system comprises a first PE device, a second PE device, and a third PE device. A first OTN pipeline is established between the first PE device and the second PE device. A second OTN pipeline is established between the first PE device and the third PE device. A network side device is separately connected to the second PE device and the third PE device. The first PE device is configured to receive first forward service data from a user side network. If the first OTN pipeline is in a normal state, the first PE device is configured to send the first forward service data to the network side network by means of a first primary router. Otherwise, the first PE device is configured to send the first forward service data to the network side network by means of a first secondary router. A next hop of the first primary router is the second PE device. A next hop of the first secondary router is the third PE device. According to the present application, different OTN pipelines are established for the first PE device, such that the reliability of the system can be improved.
Inventors:
LUO XIANLONG (CN)
XIE GANG (CN)
LI HAO (CN)
XIE GANG (CN)
LI HAO (CN)
Application Number:
PCT/CN2022/111079
Publication Date:
March 09, 2023
Filing Date:
August 09, 2022
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04Q11/00
Domestic Patent References:
| WO2015000173A1 | 2015-01-08 |
Foreign References:
| CN109474495A | 2019-03-15 | |||
| CN108668308A | 2018-10-16 | |||
| US20160380823A1 | 2016-12-29 |
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
Download PDF: