Label distribution protocol supporting multiple classes of...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header

Reexamination Certificate

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Reexamination Certificate

active

10107333

ABSTRACT:
A multi-protocol label switching (MPLS) packet network, methods and traffic engineering extensions to label distribution protocol are provided, capable of carrying traffic of multiple classes of service over the same label switch path.

REFERENCES:
patent: 6968374 (2005-11-01), Lemieux et al.
patent: 2005/0180431 (2005-08-01), Kinoshita et al.
patent: 2006/0089988 (2006-04-01), Davie et al.
Braden, R. (ed) . , ietf RFC 2205—Resource ReSerVation Protocol (RSVP) , Sep. 1997.
Wroclawski, J. , ietf RFC 2210—“The Use of RSVP with IETF Integrated Services”, Sep. 1997.
Blake, S. , et al, ietf RFC 2475—“An Architecture for Differentiated Services”, Dec. 1998.
Rosen, E. , et al, ietf RFC 3032—“MPLS Label Stack Encoding”, Jan. 2001.
Awduche, D. , et al, ietf RFC 2702—“Requirements for Traffic Engineering Over MPLS”, Sep. 1999.
Awduche, D. , et al, ietf RFC 3209—“RSVP-TE: Extensions to RSVP for LSP Tunnels”, Dec. 2001.
Le Faucheur, F. , et al, ietf Internet Draft, (draft-ietf-mpls-diff-ext-09.txt), MPLS Support of Differentiated Services, Apr. 2001.
Le Faucheur, F. (ed) . , et al, ietf Internet Draft, (draft-ietf-tewg-diff-te-reqts-03-txt) , “Requirements for Support of Diff-Serv-aware MPLS Traffic Engineering”, Feb. 2002.
Le Faucheur, F. (ed) . , et al, ietf Internet Draft, (draft-lefaucheur-diff-te-proto-01.txt), “Protocol Extensions for Support of Diff-Serv-aware MPLS Traffic Engineering”, Nov. 2001.
Jamoussi, B. (ed.) , et al, ietf RFC 3212—“Constraint-Based LSP Setup using LDP”, Jan. 2002.
Andersson, L. , et al, ietf RFC 3036—“LDP Specification”, Jan. 2001.
Katz, D. , et al, ietf Internet Draft, “Traffic Engineering Extensions to OSPF”, (draft-katz-yeung-ospf-traffic-06.txt) , Expiration date Apr. 2002.
Bitar, N. , et al, ietf Internet Draft, “Traffic Engineering Extensions to OSPF”, (draft bitar-rao-ospf-diffserv-mpls-01.txt, Expiration date Dec. 2001.
Giroux, N. , et al. “Quality of Service in ATM Networks”, Prentice Hall, Inc. , Upper Saddle River, NJ, 07458, U.S.A. , 1998, Chapter IV, Connection Admission Control.

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