Multichannel bandwidth allocation
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United States of America Patent
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Sep 26, 1989
Grant Date -
N/A
app pub date -
Mar 30, 1988
filing date -
Mar 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for allocating bandwidth in a broadband packet switching network are disclosed. The invention utilizes channel groups (112) which may be defined as a set of parallel packet channels that act as a single data link connection between packet switches (110). In accordance with the invention, bandwidth is allocated in two steps. At virtual circuit setup time, bandwidth is reserved in particular channel groups. At transmission time packets are assigned to individual channels within the groups, illustratively, using a coordination mechanism in communication with the input ports of the appropriate packet switch. The bandwidth allocation technique, known as multichannel bandwidth allocation, leads to increased throughput and reduced packet loss probabilities.
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