Bandwidth and congestion management in accessing broadband ISDN networks
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United States of America Patent
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Jan 18, 1994
Issued Date -
N/A
app pub date -
Feb 3, 1993
filing date -
Nov 21, 1990
priority date (Note) -
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Abstract
This invention relates to a method and apparatus for controlling overload in a data network. The exemplary embodiment is a Broadband Integrated Services Digital Network (B-ISDN) in which data is transmitted within data cells included in a larger data frame using the Asynchronous Transfer Mode (ATM) protocol. In response to the network detecting overload, the network sends slow down messages to selected virtual channels to decrease their data rates. The network also acts to block or decrease resource allocations to transmission requests that are likely to overload the network.
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