Multiplex communications – Wide area network – Packet switching
Patent
1993-08-27
1995-01-31
Hsu, Alpus H.
Multiplex communications
Wide area network
Packet switching
370 583, 370 601, 340826, 379269, 379272, H04Q 1104, H04M 342
Patent
active
053864174
ABSTRACT:
A communications switch communicates a message to a particular access network endpoint by forwarding an identification of that endpoint along with the message, link-by-link, through the access network, the forwarding being accomplished by using previously stored routing information identifying, at the switch and at each cross-connection point, a particular downstream link over which the endpoint can ultimately be reached. The links connecting the cross-connection points are multiplexed links supporting digital loop carrier and fiber-in-the-loop communications. The routing information is generated and stored automatically by having each network element report information about itself upstream into the network.
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Bellcore Technical Reference TR-TSY-000008, Issue 2, Aug. 1987, "Digital Interface Between the SLC96 Digital Loop Carrier and a Local Digital Switch".
ETSI Work Item No.: DE/SPS-3003.2, Version: 7, Apr. 28, 1993, "Signalling Protocols and Switching V interfaces at the digital Local Exchange (LE) V5.2 interface for the support of Access Network (AN)".
Daugherty Thomas H.
DeBruler Dennis L.
Greenberg Daniel S.
Hodgdon David J.
Murphy Douglas J.
AT&T Corp.
Hsu Alpus H.
Slusky Ronald D.
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