Transmission device and label allocation method

Details Transmission device and label allocation method Transmission device and label allocation method

2005-10-05

2009-12-01

Trost, IV, William (Department: 2416)

Multiplex communications

Fault recovery

Bypass an inoperative station

C370S242000, C370S389000

Reexamination Certificate

active

07626924

ABSTRACT:
In a network having a main route and a protection route, a branch node reflects label limit information for the main route into the label limit information for the protection route, and allocates to the main route, a label related to the label for the protection route. On the other hand, a merge node reflects label limit information for the protection route into the label limit information for the main route, and allocates to the protection route, a label related to the label for the main route. Thus, labels having a relation can be allocated to the main route and the protection route.

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D. Awduche, et al. RSVP-TE: Extensions to RSVP For LSP Tunnels. http://www.ietf.org/rfc/rfc3209.txt Dec. 2001.
Louis Berger et al. GMPLS Based Segment Recovery. http://www.ietf.org/internet-drafts/draft-ietf-ccamp-gmpls-segment-recovery-01.tct Oct. 2004.

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