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Method-and-apparatus-for-creating-virtual-high-bandwidth-data-channels

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Method and apparatus for creating virtual high bandwidth data channels

Details

Inventors: Auerbach, Richard Allan; Haymes, Charles Louis; Zumbo, Dominick Anthony;
Assignee: International Business Machines Corporation (Armonk, NY)
Primary Examiner: Patel; Ajit
Assistant Examiner:
Attorney, Agent or Firm: Whitham, Curtis & Whitham,, Tassinari, Esq.; Robert P.

A method and apparatus creates a virtual high bandwidth, bi-directional, communications link utilizing low and high bandwidth uni-directional links in opposite directions. The directions of the two uni-directional communications links can be dynamically reversed in response to changing traffic needs.

DETAILED DESCRIPTION It is therefore an object of the present invention to provide a method and apparatus for creating a virtual high bandwidth, bi-directional, communications link utilizing low and high bandwidth uni-directional links in opposite directions.
According to the invention, there is provided two uni-directional communications links whose directions can be dynamically reversed.
A bandwidth management protocol between two stations allows the asymmetrical links to be reversed in response to changing traffic needs.
A communications media provides a bi-directional link between two stations but restricts the bandwidth in one direction to a fraction of the total bandwidth supported by the link.
In such a system, high bandwidth communication is only provided in one direction.
By making the direction of the high bandwidth link dynamically reversible, the system can provide each station with the ability to either send or receive along a high bandwidth link.
The system time shares the high bandwidth connection using a protocol running on the stations.

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