Methods, systems and computer program products for end-to-end ro

Details Methods, systems and computer program products for end-to-end ro Methods, systems and computer program products for end-to-end ro

1997-04-29

2000-08-01

Ngo, Ricky

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370238, H04L 1228

Patent

active

060977272

ABSTRACT:
A route selection system, method and computer program provides a complete end-to-end communications path between an origin node and a destination node in a relatively large communications network having a number of branch networks and at least one backbone network operationally connectable to the branch network. The origin node, the destination node, or both nodes, are located in branch networks and operationally connect to standard network nodes in the backbone network by way of a branch network node. The branch network nodes may be cascaded or in parallel. The branch network node modifies the communications path selected by the standard network node. The branch network node conceals the hop between the node in the branch and itself, identifies the direction of the hop as either an uplink or a downlink, identifies itself as the control point of the resource located in the corresponding node in the branch, and includes the concealed hop information in its own tail vectors which it adds to the route. In serving the origin node, the branch network node completes the route prior to sending the route to the origin node. In serving the destination end node, the branch network node completes the route during connection setup. Connection setup may take the form of either BIND or Route Setup.

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