US Patent Issued to Huawei Technologies on April 14 for "Bit index explicit replication fast reroute" (Massachusetts Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,831, issued on April 14, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Bit index explicit replication fast reroute" was invented by Huaimo Chen (Bolton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method implemented by a network node in a Bit Index Explicit Replication (BIER) domain is used to provide fast reroute protection. The method includes copying a bit index routing table (BIRT) of the network node, changing a neighbor node in the copied BIRT to one of a plurality of backup neighbor nodes to generate a backup BIRT, deriving a backup bit index forwarding table (BIFT) from the backup BIRT, and forwarding a packet ...