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Xref: sserve comp.unix.programmer:15634 comp.unix.bsd:13559 Newsgroups: comp.unix.programmer,comp.unix.bsd Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!pacbell.com!ihnp4.ucsd.edu!library.ucla.edu!csulb.edu!csus.edu!netcom.com!vancleef From: vancleef@netcom.com (Henry van Cleef) Subject: TPI document (was Re: Detecting dead client in BSD socket) Message-ID: <vancleefCMD52A.4Aw@netcom.com> Keywords: socket bsd death Organization: Union Graduate School References: <1994Mar3.154852.24090@il.us.swissbank.com> <2l92ia$hrd@u.cc.utah.edu> <1994Mar5.142417.28947@noao.edu> Date: Tue, 8 Mar 1994 20:32:33 GMT Lines: 24 In article <1994Mar5.142417.28947@noao.edu> rstevens@noao.edu (W. Richard Stevens) writes: > >Socket libraries on systems such as SVR4 are *not* built on top of TLI. >This is a fundamental misconception that is continually repeated. Sockets >are built on top of TPI, the "Transport Provider Interface", a spec you >can ftp from ftp.ui.org in pub/osi/tpi.ps. The socket library talks to >TPI just like TLI does. Both require a special kernel streams module >to help: sockmod and timod. (Rago correctly talks about this in Section >12.3 of his book "UNIX System V Network Programming".) TLI may be "closer" >to TPI than sockets (since they're both made to look OSI-ish) but to say >that sockets in SVR4 are built on top is TLI is plain wrong. > I tried to ftp to get this document and the site "ftp.ui.org" is unknown. archie says it is at "uiunix.ui.org." That site is also unknown. Some snooping says that the databases don't have an ip number for a "ui.org." I would like to get this document. Any ideas on how to get it (IP # for this site or another site that has it). -- =================================================================== Hank van Cleef The Union Institute History of Science E-mail vancleef@netcom.com or vancleef@tmn.com ===================================================================