ccamp-3 Page:4
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2. Argument for Fault Message Flooding
s1
T
4
3
64 working paths
from s(1-64) to T
63 protection paths s(1-63) - 3 - T
1 protection path s64 - 3 - 4 - T
1
2
Ingress-initiated notification doesn’t scale well (e.g. 512 wavelengths will require 512 ingress-initiated notification messages)
Per-fault message enables bundled reconfiguration when available (e.g., orienting mirrors in a MEMS-based switch)
s64