US 12,218,820 B2
Node identifier transmission method, device, and system
Wenyan Li, Beijing (CN); Haibo Wang, Beijing (CN); and Lili Wang, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Aug. 25, 2022, as Appl. No. 17/895,241.
Application 17/895,241 is a continuation of application No. PCT/CN2020/119076, filed on Sep. 29, 2020.
Claims priority of application No. 202010121129.3 (CN), filed on Feb. 26, 2020.
Prior Publication US 2022/0417131 A1, Dec. 29, 2022
Int. Cl. H04L 45/02 (2022.01)
CPC H04L 45/02 (2013.01) 20 Claims
OG exemplary drawing
 
1. A node identifier transmission method, comprising:
when a node identifier of a forwarding device changes, sending, by the forwarding device, a changed node identifier to a controller;
receiving, by the forwarding device, a segment routing (SR) POLICY route from the controller, wherein a target attribute of the SR POLICY route is the changed node identifier; and
determining, by the forwarding device, that the node identifier matches the target attribute of the SR POLICY route, and forwarding, by the forwarding device, a traffic packet according to the SR POLICY route.