U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Inter-computer message routing system with each computer having separate routinng automata for each dimension of the network

Patent 5105424 Issued on April 14, 1992. Estimated Expiration Date: Icon_subject April 14, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Apparatus and method for switching of data
Patent #: 4032899
Issued on: 06/28/1977
Inventor: Jenny ,   et al.

Message routing in a computer network
Patent #: 4466060
Issued on: 08/14/1984
Inventor: Riddle

Self-routing switching network
Patent #: 4516238
Issued on: 05/07/1985
Inventor: Huang ,   et al.

Load balancing for packet switching nodes
Patent #: 4621359
Issued on: 11/04/1986
Inventor: McMillen

Self-routing switch node combining electronic and photonic switching
Patent #: 4731878
Issued on: 03/15/1988
Inventor: Vaidya

Method and apparatus for routing packets in a multinode computer interconnect network
Patent #: 4742511
Issued on: 05/03/1988
Inventor: Johnson

Dynamic bandwidth allocation mechanism between circuit slots and packet bit stream in a communication network
Patent #: 4763321
Issued on: 08/09/1988
Inventor: Calvignac ,   et al.

Packet handling communications network
Patent #: 4774706
Issued on: 09/27/1988
Inventor: Adams

Circuit switching network with routing nodes
Patent #: 4780873
Issued on: 10/25/1988
Inventor: Mattheyses

Multiplexed digital packet telephone system
Patent #: 4782485
Issued on: 11/01/1988
Inventor: Gollub

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Inventors

Assignee

Application

No. 201682 filed on 06/02/1988

US Classes:

709/243Decentralized controlling

Examiners

Primary: Lee, Thomas C.
Assistant: Coleman, Eric

Attorney, Agent or Firm

International Class

H04J 003/26

Abstract

In a multicomputer, concurrent computing system having a plurality of computing nodes, this is a method and apparatus for routing message packets between the nodes. The method comprises providing a routing circuit at each node and interconnecting the routing circuits to define communications paths interconnecting the nodes along which message packets can be routed; at each routing circuit, forming routes to other nodes as a sequence of direction changing and relative address indicators for each node between the starting node and each destination node; receiving a message packet to be transmitted to another node and an associated destination node designator therefor; retrieving the route to the destination node from a memory map; adding the route to the destination node to the beginning of the message packet as part of a header; transmitting the message packet to the routing circuit of the next adjacent node on the route to the destination node; and at each intermediate node, receiving the message packet; reading the header; directing the message packet to one of two outputs thereof as a function of routing directions in the header, updating the header to reflect passage through the routing circuit; and at the destination node, stripping remaining portions of the header from the message packet; storing the message packet; and, informing the node that the message packet has arrived.

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