Router device and datagram transfer method for data communicatio

Details Router device and datagram transfer method for data communicatio Router device and datagram transfer method for data communicatio

1996-05-17

1998-10-13

Hsu, Alpus H.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370397, 370409, 370474, H04L 1256

Patent

active

058223193

ABSTRACT:
A router device realizing a datagram transfer method for improving the datagram transfer efficiency by ascertaining the transfer target and/or the requested quality of service without referring to the datagram content. The router device has network interfaces connected with networks including at least one virtual connection oriented network, a table for registering a correspondence between a virtual connection identifier and a transfer target network interface and/or a quality of service, a connection identifier analysis unit for determining a transfer target network interface and/or a quality of service for a datagram entered from one virtual connection, by referring to the table according to a virtual connection identifier of that one virtual connection. The datagram can be transferred to the determined transfer target network interface, while applying a priority control for datagrams to be transferred by the router device according to the determined quality of service.

REFERENCES:
patent: 5452296 (1995-09-01), Shimizu
patent: 5463621 (1995-10-01), Suzuki
patent: 5490140 (1996-02-01), Abensour et al.
patent: 5490141 (1996-02-01), Lai et al.
patent: 5499238 (1996-03-01), Shon
patent: 5633866 (1997-05-01), Callon
patent: 5666361 (1997-09-01), Aznar et al.

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