H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/25
H04Q 11/04 (2006.01) G06F 15/173 (2006.01) H04L 12/56 (2006.01)
Patent
CA 1254982
METHOD OF AND SWITCH FOR SWITCHING INFORMATION Abstract of the Disclosure Data to be switched is preceded by a header containing routeing information for establishing a connection via a switch, and is accompanied by additional information which indicates the start of the header, in response to which a connection is established, and the end of the data, in response to which the connection is terminated. The switch is a non-saturating, non-blocking, full matrix time switch which uses the routeing information to establish a connection within one tdm frame, whereby connections for data of any type (including switch control information) and of arbitrary duration can be handled efficiently. An incoming channel can be connected to any free channel or to a specified outgoing channel of any output port, and contention resolution is provided for simultaneous requests for connection to a single outgoing channel. Interconnections among crosspoint nodes are reduced and simplified using token ring and systolic interconnection techniques.
509166
Bodell Kent G.
Brown Jeffrey J.
Graves Alan F.
Huscroft Charles K.
Haley R. John
Nortel Networks Limited
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