Path: utzoo!mnetor!uunet!lll-winken!lll-lcc!pyramid!csg From: csg@pyramid.pyramid.com (Carl S. Gutekunst) Newsgroups: comp.dcom.modems Subject: Re: YATB Message-ID: <16750@pyramid.pyramid.com> Date: 11 Mar 88 18:51:52 GMT References: <1849@mtunx.ATT.COM> <3830@umix.cc.umich.edu> Reply-To: csg@pyramid.UUCP (Carl S. Gutekunst) Organization: Pyramid Technology Corp., Mountain View, CA Lines: 16 Keywords: techdoc Telebit questions In article <3830@umix.cc.umich.edu> honey@citi.umich.edu (Peter Honeyman) writes: >window size doesn't affect trailblazer throughput -- a window size of 1 >gives the same performance as 3 or 7. Peter and I have argued this one in private before -- and I still disagree. I know the modem is perfectly capable of running flat out with window size 1. But a lot of computers are not -- and in fact, window size 3 at 9600 or 19200 bps is too small. We have many connections where the throughput is obviously constrained by the system's ability to get ack packets out; I think a bigger window size would help immensely. Of course, a lot of machines that can barely buffer 3 packets at 19200 are going to gag on 7. No problem; they don't have to run a uucico with the window size pushed up.