From: Carsten Bormann <[email protected]>
   Date: Wed, 24 Jun 2009 22:45:10 +0200

   > Do you see any
   > difficulty with piggybacking RFRAG-ACKs on other packets?

   That would mean my proposal to compress FRACKs by simply not sending  
   trailing zero bytes would not work.
   Solution:
   1) adopt another one of Pascal's recent proposals for FRACK  
   compression (A/B/B-reverse)
   2) Simply don't compress the 32-bit field in the piggy-back case.

Piggybacked FRACKs was the only reason I thought of for why
it would be worth compressing FRACKs, which is what started
me looking to see if doing so was allowed.  That being said,
even with piggybacked FRACKs I still don't think compessing
FRACKs is worth the added complexity.

                                 -Richard Kelsey
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