Method and apparatus for improving data transmission in router fabric cards through pseudo-synchronous data switching
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United States of America Patent
Stats
-
Dec 11, 2012
Grant Date -
Sep 16, 2010
app pub date -
May 20, 2010
filing date -
Jun 1, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a data packet router, a router fabric card for routing data packets is provided. The router fabric card comprises a plurality of ingress/egress ports, the ports connected through a switching facility for switching connection states of the port paths between individual ingress paths and individual egress paths on the fabric card, and a scheduling component for scheduling communication between ports on the fabric card. Data coming into ingress on the card is organized into individual data-packet trains, each individual train comprising data packets and inserted data denoting a starting point and an ending point of a train. The switching facility recognizes the start data and the end data of a train and switches port paths to a next-assigned connection state accordingly.
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