Resource reservation protocol—traffic engineering...

Details Resource reservation protocol—traffic engineering... Resource reservation protocol—traffic engineering...

2011-04-19

2011-04-19

Trost, IV, William (Department: 2472)

Multiplex communications

Fault recovery

Bypass an inoperative station

C370S241000, C370S248000

Reexamination Certificate

active

07929425

ABSTRACT:
A network interface device with resource reservation protocol-traffic engineering capability and improved hot redundancy. A first interface card is provided for receiving a request, which specifies a data session between two host devices in a network, from an adjacent node in the network, and for storing a session parameter based on the request. A standby interface card is provided for receiving a request from the active interface card, based on the request received by the active interface card, and for storing another session parameter, concurrently with a storing of the session parameter by the active interface card, based on the request. Failure detection circuitry is provided for detecting a failure within the active interface card, and for coupling the second interface card to the adjacent node depending on whether or not a failure is detected.

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