Morgan & Kunz
OCICS Carleton University
12
ESWAN Destination-Based Regulation
w
w
Preemptive Behavior
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Performed by DST node on flows experiencing Limited
QoS (no congestion).
Limited QoS condition is triggered when (
b
<
b
L
)
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.