Network server

Details Network server Network server

1996-10-21

1999-03-30

Ton, Dang

Multiplex communications

Communication over free space

Combining or distributing information via time channels

370466, H04L 1256

Patent

active

058897771

ABSTRACT:
A network server includes LAN terminating units, an ATM terminating unit, a data transfer unit, a multiple identifier check section, and a connection determination section. The LAN terminating units are connected to LAN terminals constituting virtual LAN segments and terminate protocols on the LAN MAC sublayer. The ATM terminating unit is connected to an ATM network and terminates the AAL and the ATM protocol. The data transfer unit transfers received data to one of the LAN terminating units and the ATM terminating unit in correspondence with the destination MAC address obtained from data received by the LAN terminating units and the ATM terminating unit. The multiple identifier check section checks at least the Ethernet type in the SNAP of the received data. When the data is transferred from the data transfer unit to the ATM terminating unit, the connection determination section determines an ATM connection to which the data is to be transmitted, on the basis of a set of the destination MAC address and the destination IP subnetwork address, obtained from the received data, and an identifier including at least the Ethernet type detected by the multiple identifier check section, and notifies the ATM terminating unit of the determined ATM connection.

REFERENCES:
patent: 5410535 (1995-04-01), Yang et al.
patent: 5444702 (1995-08-01), Burnett et al.
patent: 5490141 (1996-02-01), Lai et al.
patent: 5491693 (1996-02-01), Britton et al.
patent: 5633869 (1997-05-01), Burnett et al.
Miyao et al., "ATM based Virtual LAN towards `Function Space` Realization", NEC Technical Journal, vol. 48, No. 8, pp. 14-20 (1995).
Aramaki et al., "Development of ATM-based Virtual LAN platform LAN Emulation", NEC Technical Journal, vol. 48, No. 8, pp. 21-26 (1995).
ATM Forum 1994, LAN Emulation Over ATM Specification-Version 1.0, pp. 1-13.
"ATM Local Area Networks", IEEE Communications Magazine, pp. 86-88, Mar. 1994.

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