Link identifier assignment system in connection-oriented...

Details Link identifier assignment system in connection-oriented... Link identifier assignment system in connection-oriented...

2006-11-07

2006-11-07

Phunkulh, Bob A. (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S400000, C370S238000

Reexamination Certificate

active

07133402

ABSTRACT:
The same label value is assigned to all links configuring a connection in a network where an LSP (Label switched Path) is identified based on a label. Even when any one of nodes included in the connection is shortcut due to a change of route of the connection, a neighboring node to this shortcut node in the transmitting direction can receive, from a neighboring node to the shortcut node in the receiving direction, a packet having the same label value as a label value received from the LSR.

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patent: 2001/0019554 (2001-09-01), Nomura et al.
Yanhe Fan, et al. “Extensions to CR-LDP and RSVP-TE for Optical Path Set-up” MPLS Working Group, Mar. 2000.
J.Ash et al. “LSP Modifications on Using CR-LDP” MPLS WG, Mar, 2001.
Peter Ashwood-Smith et al. “Generalized MPLS-Signaling Functional Description” Network Working Group, May 2001.
Shinya Kano, et al. “A Study of GMPLS Control Architecture in Photonic IP Networks” Fujitsu Laboratories.
Shinya Kano, et al. “The Integrated Control Method for the Optical Layer and the Packet Layer Using GMPLS” Fujitsu Laboratories.

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