Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site uwvax.ARPA Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!houxm!houxz!vax135!cornell!uw-beaver!tektronix!hplabs!hpda!fortune!amd!decwrl!decvax!harpo!utah-cs!seismo!uwvax!dave From: dave@uwvax.ARPA Newsgroups: net.unix-wizards Subject: Re: 4.2 TCP, large packets and pronet-drivers Message-ID: <367@uwvax.ARPA> Date: Mon, 6-Aug-84 21:41:00 EDT Article-I.D.: uwvax.367 Posted: Mon Aug 6 21:41:00 1984 Date-Received: Thu, 9-Aug-84 03:46:34 EDT Organization: U of Wisconsin CS Dept Lines: 19 I got a number of replies to my question. This one pretty much says it all: > Sure, we had this problem. The problem is that the 4.2 code seems to > decide randomly whether to use trailers or not (actually, it's not > random, but I don't understand the algorithm - only large packets > will be sent with trailers, though...) If your gateways don't > understand trailer protocols (as ours don't), then the large > packets sent with trailers will never get through. > > Our limited experience with trailers was that they made essentially > no difference in throughput at any time on any type of connection, > so we just turned them off. > -Larry Allen -- Dave Cohrs @ wisconsin ...!{allegra,heurikon,ihnp4,seismo,ucbvax,uwm-evax}!uwvax!dave dave@wisc-rsch.arpa