Asynchronous packet switching

Details Asynchronous packet switching Asynchronous packet switching

1996-02-22

1999-09-28

Ton, Dang

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370351, H04J 324

Patent

active

059599952

ABSTRACT:
A multiprocessor system includes a plurality of nodes and an interconnect that includes routers. Each node includes a reliable packet mover and a fast frame mover. The reliable packet mover provides packets to the fast frame mover which adds routing information to the packet to form a frame. The route to each node is predetermined. The frame is provided to the routers which delete the route from the routing information. If the frame is lost while being routed, the router discards the frame. If the packet is received at a destination node, the reliable packet mover in that node sends an acknowledgment to the source node if the packet passes an error detection test. The reliable packet mover in the source node resends the packet if it does not receive an acknowledgment in a predetermined time. The fast frame mover randomly selects the route from a plurality of predetermined routes to the destination node according to a probability distribution.

REFERENCES:
patent: 4058838 (1977-11-01), Crager et al.
patent: 5115433 (1992-05-01), Baran et al.
patent: 5351237 (1994-09-01), Shinobara et al.
patent: 5524116 (1996-06-01), Kalmanek et al.
patent: 5544161 (1996-08-01), Bigham et al.
patent: 5590122 (1996-12-01), Sandorfi et al.

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