K 10 svn:author V 8 lstewart K 8 svn:date V 27 2009-08-06T17:34:15.739627Z K 7 svn:log V 375 Keep a sender-side tally of the total number of bytes outstanding at the receiver when SACK is in use. This allows us to *accurately* gauge how much of the outstanding window of data is actually sitting in the receiver's buffers. This in turn will be used by follow up work to improve fast recovery performance for SACK enabled connections. Sponsored by: FreeBSD Foundation END