Pulse or digital communications – Repeaters – Testing
Patent
1994-06-01
1996-08-13
Black, Thomas G.
Pulse or digital communications
Repeaters
Testing
39520012, 395831, 395855, 395861, 395866, 375260, 370 79, 370 84, 370 82, 370 83, 364260, 364DIG1, G06F 1300
Patent
active
055465498
ABSTRACT:
A multi-path channel interface for computer input-output systems includes the ability to define and activate unbalanced groups of unidirectional communications sub-channels for a user application. Protocol independent exchange identifications permit not only unbalanced transmission groups but also allow user-controlled extensions for negotiating the values of transmission parameters at the time the transmission group is activated. When error correcting re-transmissions force the re-segmenting of data blocks, second level sub-segment indexing assure the proper order of delivery of the various segments and sub-segments. The exchange identifications include an identification of the user protocol being supported and thus permit interfacing with any user protocol.
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Barrett Linda
Long Lynn D.
Menditto Louis F.
Stagg Arthur J.
Ward Raymond E.
Black Thomas G.
Herndon Jerry W.
International Business Machines - Corporation
Nimtz Robert O.
Robinson Greta
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