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United States Patent | 3,643,032 |
Ulrich , et al. | February 15, 1972 |
A communications switching office in which each of a plurality of separate processors independently hunts idle paths between terminals of an associated network and in which two separate processors cooperatively hunt idle paths between terminals of the two associated networks by means of data messages exchanged between the two processors. A data transmission arrangement is provided between the processors and internetwork junctors provide connections between the networks.
Inventors: | Ulrich; Werner (Glen Ellyn, IL), Vigilante; Frank S. (Naperville, IL) |
Assignee: |
Bell Telephone Laboratories, Incorporated
(Murray Hill, Berkeley Heights,
NJ)
|
Appl. No.: | 04/859,470 |
Filed: | September 19, 1969 |
Current U.S. Class: | 379/269 ; 379/274 |
Current International Class: | H04Q 3/545 (20060101); H04q 003/54 () |
Field of Search: | 179/18ES |
3365548 | January 1968 | Lucas et al. |