Multiplex communications – Wide area network – Packet switching
Patent
1994-10-05
1996-02-13
Kizou, Hassan
Multiplex communications
Wide area network
Packet switching
370 856, 370 857, 370 951, 3642429, H04J 302, H04J 316
Patent
active
054916941
ABSTRACT:
Apparatus and method for establishing "virtual connections" through a packet switched data communications network, the network including a plurality of end systems and switches connected by links. Each end system has a unique physical layer address and each switch has a connection database of valid connections between different ports on the switch and a switching mechanism for establishing temporary connections. Each switch is registered with a connection server such that, prior to transmission of a connectionsless datagram from a first end system to a second end system, a path of valid remains as a connectionless datagram. In other aspects, an improved method is provided for allocating bandwidth among competing devices requesting access to a bandwidth limited shared resource (e.g., the previously defined switch), and to a search method for making a best path determination through the network based on a number of constraints.
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Hullette Dan
Oliver Chris
Cabletron Systems Inc.
Kizou Hassan
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