Patent · US Active

Method of M:1 protection

US8345542B2 · kind B2 · utility

1Cited by

1References

13Claims

0Family size

Assignee

Futurewei Technologies, Inc. · US

Inventors

Robert Sultan · Katonah, US
T. Benjamin Mack-Crane · Downers Grove, US

Key dates

Filing date	Aug 23, 2010
Grant date	Jan 1, 2013
Priority date	—
Expiry date	Nov 22, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04L45/66
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

An apparatus comprising a first segment endpoint bridge (SEB) configured to couple to a second SEB via a plurality of path segments, wherein the path segments comprise a working segment and a plurality of candidate protection segments, wherein the candidate protection segments comprise a protection segment that is configured to protect the working segment, wherein the candidate protection segments other than the protection segment do not protect the working segment, wherein only one first state variable is used to maintain each of the candidate protection segments other than the protection segment, and wherein a plurality of second state variables are used to maintain each of the working segment and the protection segment.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.