Multiplex communications – Fault recovery – Bypass an inoperative channel
Reexamination Certificate
2011-02-15
2011-02-15
Yao, Kwang B (Department: 2473)
Multiplex communications
Fault recovery
Bypass an inoperative channel
Reexamination Certificate
active
07889642
ABSTRACT:
Embodiments of the present invention provide a GMPLS fast re-route of packets within a network using a multicast address and a table comprising a list of alias IP addresses. According to various embodiments of the invention an alternate data path from a source node to a destination node allows a packet to traverse to the destination node without IP forwarding techniques being applied. In other words, a tunneling effect from a source node to a destination node allows other nodes in the network to ignore the packet and only read the multicast address within the header and immediately forward the packet to the destination node. A predetermined set of IP addresses are determined from network topology including all potential paths, for a packet to traverse, to a destination address.
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Carothers W. Douglas
Infinera Corporation
North Weber & Baugh LLP
Soltz David L.
Tran Tung Q
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