US 12,438,802 B2
Next hop determining method and apparatus
Jingrong Xie, Beijing (CN); Heng Wang, Shenzhen (CN); Fanghong Duan, Nanjing (CN); and Gang Yan, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Apr. 28, 2023, as Appl. No. 18/309,532.
Application 18/309,532 is a continuation of application No. PCT/CN2021/116119, filed on Sep. 2, 2021.
Claims priority of application No. 202011193045.7 (CN), filed on Oct. 30, 2020; and application No. 202110184092.3 (CN), filed on Feb. 10, 2021.
Prior Publication US 2023/0269165 A1, Aug. 24, 2023
Int. Cl. H04L 45/02 (2022.01); H04L 45/12 (2022.01)
CPC H04L 45/02 (2013.01) [H04L 45/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method implemented by a third device and comprising:
obtaining first Bit Index Explicit Replication (BIER) information of a first device, a first attribute of the first device, second BIER information of a second device, and a second attribute of the second device, wherein the first BIER information and the second BIER comprise a bit forwarding router identifier (BFR-id) of an edge bit forwarding router (BFR) in a sub-domain; and
determining, based on the first BIER information, the second BIER information, the first attribute, and the second attribute, a next hop to the edge BFR in the sub-domain.