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Solution Approach
Signal congestion information to neighbors with a new congestion AVP
Alternative is to use a new command
Congestion AVP can be piggybacked to any message including DWR/DWA
DWR can be sent whenever congestion state of the node changes
Dampening can be applied between onset and abatement of overload to prevent oscillation or flapping
Possible context:
Overload indications affects entire node
Overload indications is per application

PPT Version