Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site ucbvax.ARPA Path: utzoo!watmath!clyde!burl!ulysses!ucbvax!scrc-quabbin.arpa!DCP From: DCP@SCRC-QUABBIN.ARPA (David C. Plummer in disguise) Newsgroups: fa.tcp-ip Subject: TCP Performance and Compatibility Message-ID: <850905154233.2.NFEP@NEPONSET.SCRC.Symbolics.COM> Date: Thu, 5-Sep-85 15:42:00 EDT Article-I.D.: NEPONSET.850905154233.2.NFEP Posted: Thu Sep 5 15:42:00 1985 Date-Received: Sat, 7-Sep-85 04:17:58 EDT Sender: daemon@ucbvax.ARPA Reply-To: tcp-ip@ucb-vax.berkeley.edu Organization: The ARPA Internet Lines: 9 For performance, I suggest not using many of the standard protocols. This is because most of them have to do character set translation or at least double scanning. TELNET is one example, and I think ASCII mode of TCP/FTP is another. Specifically, it has to scan the data making sure the whatever the system's newline sequence is gets converted into or out-of NVT-NEWLINE and that raw CRs get NULLs appended to them. TCP/FTP binary mode would probably be OK. For raw performance, SINK, ECHO and SOURCE servers would be best, though I don't know off hand if they are a standard port that people are expected to implement.