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Other Features
Branch and bud (drop-and-continue) flags added to Downstream Mapping TLV

Coordination of responses
Problem is that traceroute for the whole tree will return many responses
Many possible solutions for coordination
We have chosen to list the recipients on each branch
Helps build up a picture of the tree early
Helps understand the tree when there are multiple faults
Achieved using new Downstream Mapping Multipath Information
PPT Version