Packet forwarding apparatus having gateway selecting function

Details Packet forwarding apparatus having gateway selecting function Packet forwarding apparatus having gateway selecting function

2007-05-30

2010-11-16

Shah, Chirag G (Department: 2477)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C726S003000

Reexamination Certificate

active

07835355

ABSTRACT:
Packet forwarding apparatus comprises a plurality of line interfaces and a protocol processing unit for controlling packet forwarding among the line interfaces and for forwarding a connection initiation request packet received from a user terminal to a plurality of redundant gateways, wherein the protocol processing unit has a management table for storing forwarding control information to control forwarding of communication control packets for each user terminal, selectively forwards one of response packets replied from the plurality of gateways in response to the connection initiation request packet to the requester user terminal and discards the other response packets based on the forwarding control information.

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RFC2284, L. Bunk, et al. Mar. 1998, pp. 1-12.
RFC2516, L. Mamakos, et al. Feb. 1999, pp. 1-13.
IEEE Std 802.1X-2001, Port-Based Network Access Control, 2001.

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