Path-finding scheme for a multistage switching network

Details Path-finding scheme for a multistage switching network Path-finding scheme for a multistage switching network

1975-10-15

1977-01-18

Robinson, Thomas A.

179 18GF, H04Q 342, H04Q 356

Patent

active

040041034

ABSTRACT:
A plurality of idle paths through a multistage switching network which are capable of establishing a connection between a particular line and a particular trunk are identified. Repeated selection of paths identified as idle, but actually out-of-service, is avoided by selecting successively different ones of the identified idle paths in a pseudorandom manner to complete the connection between the line and the trunk. The pseudorandom path selection is accomplished in response to predetermined portions of a pseudorandom pattern of binary bits.

REFERENCES:
patent: 3415955 (1968-12-01), Singer
patent: 3485956 (1969-12-01), Jorgensen et al.
patent: 3536842 (1970-10-01), Ewin et al.
patent: 3576398 (1971-04-01), Ris-Oranjis et al.
patent: 3655918 (1972-04-01), Marbury et al.

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