Dynamic signal routing

Details Dynamic signal routing Dynamic signal routing

1992-03-27

1994-11-15

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04L 1256

Patent

active

053655206

ABSTRACT:
Data packets are delivered through a constellation of nodes to a termination unit. The node where a packet leaves the constellation is a terminal node. Each packet includes a routing code. When a node receives a packet, it examines the routing code to determine if that node might be the packet's terminal node. A table look up operation is performed using the routing code as an index to a routing table. The table identifies a link to use in routing the packet away from the node to a neighbor node. The packet is also examined to verify compatibility between packet type and a selected link. If an incompatibility exists, a substitute link is selected. When a node concludes that it might be a terminal node for a packet, it evaluates a channel identifier to determine if it is currently serving the party to whom the packet is directed.

REFERENCES:
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patent: 4491947 (1985-01-01), Frank
patent: 4669113 (1987-05-01), Ash et al.
patent: 5018133 (1991-05-01), Tsukakoshi et al.
patent: 5042027 (1991-08-01), Takase et al.
patent: 5095480 (1992-03-01), Fenner
patent: 5179556 (1993-01-01), Turner
patent: 5179558 (1993-01-01), Thacker et al.

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