Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!tut.cis.ohio-state.edu!ucbvax!NNSC.NSF.NET!craig From: craig@NNSC.NSF.NET (Craig Partridge) Newsgroups: comp.protocols.tcp-ip Subject: re: IP PDU header cksum algorithm question Message-ID: <8912201619.AA08928@ucbvax.Berkeley.EDU> Date: 20 Dec 89 13:00:19 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 10 Your note is a bit confusing because it talks about IP and then ISO 8473 and the checksums are different but, in either case, you want to read a recent issue of Computer Communication Review. For ISO checksums, see K. Sklower's article in the October 1989 issue. For IP checksums, see R. Braden et. al. in the April 1989 issue. Craig