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cutoff decrease factor (CDF)

The

Cutoff Decrease Factor (CDF) is an ABR service parameter ofATM

.The Cutoff Decrease Factor controls the reduction of the Allowed Cell Rate (ACR) related to the Cell Rate Margin (CRM) in an ATM network. For the Available Bit Rate (ABR), the CDF factor affects the rate of change of the Allowed Cell Rate. The CDR factor also influences the Round Trip Time (RTT) of the TCP protocol without affecting its throughput.

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Englisch: cutoff decrease factor - CDF
Updated at: 08.06.2009
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