Packet routing system and method with quasi-real-time control

Details Packet routing system and method with quasi-real-time control Packet routing system and method with quasi-real-time control

1995-03-23

1996-11-26

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 60, 379220, 455 131, H04B 714

Patent

active

055793070

ABSTRACT:
In a system that includes a constellation of satellite communication nodes, information packets are routed through the constellation using routing tables stored in each communication node. When a packet is received at a node, the packet's destination and routing table ID are read. One of several routing tables are selected using a mapping table. Each of the several routing tables has a different routing instruction set. The packet is routed away from the node using the selected routing table. When system traffic is heavy, or some of the communication links are overloaded or have failed, routing table control bits are sent to the nodes updating the mapping table. Packets are subsequently routed using different sets of routing tables, such as ones having greater hop counts.

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