Router apparatus and frame transfer method

Details Router apparatus and frame transfer method Router apparatus and frame transfer method

2005-06-14

2005-06-14

Ton, Dang (Department: 2666)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S395100

Reexamination Certificate

active

06907040

ABSTRACT:
A router has a function of providing a label used for transferring a datalink frame by a cut-through operation (i.e., datalink-layer switching). Whether the cut-through operation is to be performed or not is indicated by a cut-through declarator described in a prescribed portion (e.g., OUI field) within an upper-layer-protocol identifying information region (e.g., SNAP field) of a received frame or signaling message. The information described in the remaining portion (e.g., PID field) within the upper-layer-protocol identifying information region and the information described in the destination or source datalink-layer address region of the received frame or signaling message are used as the label for identifying in the datalink layer a packet flow to which a received frame belongs.

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Nagami et al., “Flow Attribute Notification Protocol (FANP) Specification”, Feb., 1997.

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