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[RPRWG] protection messages





I had a comment that expressed concern about the delivery 
of protection notification messages.

The way things are defined in D0.2, the messages are
neither reliable nor periodic.  There are no 
acknowledgments, so we are never sure that all nodes
have seen the protection notification message.  
Sending special protection messages periodically
increases the overhead (but even that is not specified).  
Why can't we piggyback the protection notification 
onto Type B fairness messages since they are required 
to be sent frequently in any case (typically more
frequently than 1 msec)?

The ad hoc's response to my comment says that Type B's 
are optional.  This is not true.  Sending of both Type A 
and Type B messages is mandatory per D0.2 and there have 
been no comments to change that behavior.

-Anoop
--
Anoop Ghanwani - Lantern Communications - 408-521-6707