Protocol for hybrid local area networks

Details Protocol for hybrid local area networks Protocol for hybrid local area networks

1991-04-03

1994-02-08

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, 359136, H04J 302

Patent

active

052854493

ABSTRACT:
A hybrid local area network (LAN) for the interconnection of multiple stations. The LAN consists of an N-port non-blocking switch and multiple subnetworks interconnected via passive optical couplers. Each station in the system is attached via a duplex fiber-optic link, either directly to a switch port or to a subnetwork, which in turn, is attached to a switch port. A subnetwork is interconnected by means of a passive optical combiner (incoming lines to the switch port) and a passive optical splitter (outgoing lines from switch port). The LAN is structured in a way that minimizes the delay incurred for communications between the subnetworks. The LAN protocol allows for any-to-any interconnections, multiple simultaneous transmissions, and broadcasting.

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