US 12,149,874 B2
Network control method, apparatus, and system
Changsheng Sun, Nanjing (CN); Baiming Yang, Nanjing (CN); Dong Wang, Beijing (CN); and Fengmei Wang, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Nov. 22, 2021, as Appl. No. 17/532,932.
Application 17/532,932 is a continuation of application No. PCT/CN2020/091797, filed on May 22, 2020.
Claims priority of application No. 201910426714.1 (CN), filed on May 22, 2019.
Prior Publication US 2022/0086545 A1, Mar. 17, 2022
Int. Cl. H04Q 11/00 (2006.01); H04B 10/032 (2013.01); H04J 14/02 (2006.01); H04L 12/46 (2006.01)
CPC H04Q 11/0071 (2013.01) [H04B 10/032 (2013.01); H04J 14/0287 (2013.01); H04L 12/4633 (2013.01); H04Q 2011/0073 (2013.01); H04Q 2011/0079 (2013.01); H04Q 2011/009 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method, comprising:
obtaining first link state information and second link state information, wherein the first link state information indicates a link state of an Internet Protocol (IP) network, and the second link state information indicates a link state of an optical network;
determining third link state information based on the first link state information and the second link state information, wherein the third link state information comprises the link state of the IP network and the link state of the optical network;
computing and selecting a path based on the third link state information to avoid protection failure or to reduce resource waste;
obtaining existing tunnel information;
computing the tunnel path based on the third link state information and the existing tunnel information; and
performing tunnel rerouting and/or tunnel optimization based on the tunnel path and the existing tunnel information.