(i9) United States
(12) Patent Application Publication
SULTAN et al.
(54) METHOD OF SUPPORTING AN OPEN PROVIDER BACKBONE NETWORK
(75) Inventors: Robert SULTAN, Somers, NY (US); Lucy YONG, Tulsa, OK (US); Linda DUNBAR, Piano, TX (US)
CONLEY ROSE, P.C.
5601 GRANITE PARKWAY, SUITE 750
PLANO, TX 75024
(73) Assignee: FUTUREWEI
TECHNOLOGIES, INC., Piano,
(21) Appl.No.: 11/873,560
(22) Filed: Oct. 17, 2007
Related U.S. Application Data
(60) Provisional application No. 60/885,168, filed on Jan. 16, 2007.
An apparatus comprising a first interface configured to transmit or receive backbone traffic, a second interface configured to transmit or receive non-backbone traffic, and a third interface in communication with the first interface and second interface, the third interface configured to multiplex or demultiplex the backbone traffic and the non-backbone traffic is disclosed, wherein the backbone traffic is traffic that will be, is, or has been B-tagged. Also disclosed is a node comprising a processor configured to implement a method comprising receiving a first data stream comprising backbone traffic, receiving a second data stream comprising non-backbone traffic, and multiplexing the first data stream with the second data stream.