Methods to process and forward control packets in OBS/LOBS and other burst switched networks
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United States of America Patent
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Oct 23, 2007
Grant Date -
Oct 3, 2002
app pub date -
Mar 22, 2002
filing date -
Mar 28, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a novel method to reduce the minimum offset time and pre-transmission delay for data in Optical Burst Switching or Labeled Optical Burst Switching or other packet or burst switched systems, as well as in circuit-switched networks. Under this method, a control packet is relayed as soon as it is determined if bandwidth for the data at the output port(s) can be reserved successfully, greatly speeding up the setup and configuration of the Switching Elements. A control packet is processed by a pipeline with up to 6 stages, and in addition, a control packet is processed using multiple processors at each port to speed up the time taken to determine if bandwidth for the corresponding data at the desired output port(s) can be reserved successful.
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