US Patent Issued to CISCO TECHNOLOGY on May 20 for "Ethernet virtual private network fast reroute triggered designated forwarder election" (Canadian Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,056, issued on May 20, was assigned to CISCO TECHNOLOGY INC. (San Jose, Calif.).

"Ethernet virtual private network fast reroute triggered designated forwarder election" was invented by Luc Andre Burdet (Gatineau, Canada), Patrice Brissette (Gatineau, Canada) and Yuri Tsier (Kanata, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mechanism that allows CE-to-PE traffic to achieve minimal traffic loss at the same rate as PE-to-CE redirection (FRR). The solution relies on a fast-unblocking of the Backup-DF interface based on appearance of redirected packets from the active DF-Elected peer. A slow-path confirmation mechanism is included to furthe...