Half-duplex multicast distribution tree construction

Details Half-duplex multicast distribution tree construction Half-duplex multicast distribution tree construction

2007-11-08

2010-11-30

Phunkulh, Bob A (Department: 2477)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S276000, C370S400000

Reexamination Certificate

active

07843917

ABSTRACT:
In one embodiment, a method includes sending upstream to a nearest neighbor node, by a Client Label Switched Router (LSR), a downstream label map message of a Server-Forwarding Equivalence Class type (S-FEC-DOWN). In response to the S-FEC-DOWN, a downstream forwarding state from the nearest neighbor node to the Client LSR is established. An upstream label map message of a Client-Forwarding Equivalence Class type (C-FEC UP) is received from the nearest neighbor node. An upstream forwarding state corresponding to the C-FEC UP is then established by the Client LSR.

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