Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1996-02-16
1998-07-07
Ton, Dang
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370401, H04L 1256
Patent
active
057779945
ABSTRACT:
An ATM switch for providing an electrical interconnection between a connection-oriented ATM LAN of an ATM system and a connectionless legacy LAN is provided. The ATM switch includes a switch fabric electrically connected to the ATM LAN, a segmentation and reassembly block electrically connected to the switch fabric, for providing an interchange between one of cells transmitted over the ATM LAN and a packet transmitted over the legacy LAN, a management and control block electrically connected to the switch fabric through the segmentation and control block so as to manage and control operations for electrical connections between networks, a first bridging/routing processor having a legacy LAN interface for providing electrical connections between the legacy LAN and the first bridging/routing processor, a second bridging/routing processor electrically connected to the switch fabric through at least one ATM interface, and a bus for providing electrical connections between the management and control block, the first bridging/routing processor and the second bridging/routing processor. A LAN emulation configuration server function for managing configurations of a plurality of virtual LAN segments on the ATM LAN, which are required upon LAN emulation, a LAN emulation server function for obtaining an address resolution to an ATM address from a media access address, and a broadcast and unknown server function for making a broadcast to a terminal in the LAN are provided so as to be distributed to the management and control block or the second bridging/routing processor.
REFERENCES:
patent: 5379297 (1995-01-01), Glover et al.
patent: 5408469 (1995-04-01), Opher et al.
patent: 5450411 (1995-09-01), Heil
Fukushima Hidehiro
Kimoto Atsushi
Murakami Toshihiko
Takada Osamu
Takihiro Masatoshi
Hitachi , Ltd.
Ton Dang
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