Path: utzoo!attcan!uunet!lll-winken!lll-lcc!ames!pasteur!ucbvax!fiona50a.ccs!mckee From: mckee@fiona50a.ccs (george mckee) Newsgroups: comp.protocols.tcp-ip Subject: controlling IP "type of service" Message-ID: <8805101659.AA16832@fiona50a.CCS.Northeastern.EDU> Date: 10 May 88 16:59:13 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 11 Thinking about network pricing policies and accepting for the moment that relays don't grow on trees, I see on p.12 of RFC791 a description of a "Type of Service" field in an IP packet header that requests different levels of delay, throughput, and reliability, as well as specifying priorities ranging from "routine" through "flash override" and beyond. Do any of the popular implementations actually try to set this field, and does it affect the delivered performance of the network? (My Unix man page for ip(4P) says "other options are ignored".) - George McKee NU Computer Science