Time slotted logical ring
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United States of America Patent
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Jun 17, 2003
Grant Date -
N/A
app pub date -
Nov 2, 1998
filing date -
Nov 2, 1998
priority date (Note) -
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Abstract
A Time Slotted Logical Ring protocol manages the flow of traffic in a duplex media including a cable distribution network with a head end, a local node, and a group of subscribers. The subscriber includes a cable modem which produces an HDLC serial interface which then goes to the subscriber or gets converted to ethernet by a router and then to the subscriber. The Time Slot portion of TSLR protocol manages upstream and downstream access and uses time tick identification frames in the downstream direction to control upstream traffic. A multiple logical ring protocol in TSLR is used to allocate cable bandwidth between the multiple subscribers.
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