Date: Fri, 31 Mar 1995 17:38:17 -0600 From: Mike Pearce <pearce@hook.wdgarl.wes.mot.com> To: current@FreeBSD.org Subject: Re: rfc 1323 Support Message-ID: <9503312338.AA19352@hook.wdgarl.wes.mot.com> In-Reply-To: Your message of "Fri, 31 Mar 1995 11:47:02 CST." <9503311647.AA18415@halloran-eldar.lcs.mit.edu>
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> > I've heard that TTCP over slip with header compress is a losing > > configuration anyhow. > > I'd love to know where you heard that since I'm not aware of anyone > anywhere who has yet created applications using T/TCP as a transport > mechanism. The WWW people would like to, but FreeBSD-current > constitutes the entire installed base outside of a few Suns at ISI and > on the DARTnet. (Sometimes it's lonely at the leading edge...) I've been experimenting with TTCP here. TTCP requires rfc1323 timestamps, so TCP header compression won't work with it. Header compression works when only certain parts of the TCP+IP header change in a predictable fashion. The timestamp options will be different for every packet, so the compressor will always be replacing the current packet template and sending it as type SL_TYPE_UNCOMPRESSED_TCP. 8-( Mike -- Mike Pearce, Staff Engineer, Motorola WDGARL, Schaumburg, IL email: pearce@hook.wdgarl.wes.mot.com
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