Morgan & Kunz                          OCICS Carleton University
12
ESWAN Destination-Based Regulation
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wPreemptive Behavior
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*Performed by DST node on flows experiencing Limited QoS (no congestion).
*Limited QoS condition is triggered when (b < bL)T.
*DST node issues regulate message to SRC node.
*SRC node performs re-initiate procedure to locate new (better) route.
*Preemptive behavior is a preventative measure.
*Preemptive behavior maintains QoS levels.
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