From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,897417b380f5731e X-Google-Attributes: gid103376,public From: Robert A Duff Subject: Re: STL, Ada, C++ Date: 2000/05/09 Message-ID: #1/1 X-Deja-AN: 621326841 Sender: bobduff@world.std.com (Robert A Duff) References: <8eg37k$15n$1@nnrp1.deja.com> <8epkoa$b8b$1@nnrp1.deja.com> <8eu0ob$7qv$1@nnrp1.deja.com> <391328F0.1221@synquiry.com> <39133213.64A@Ganymede.com> <8f50hc$hpo$1@nnrp1.deja.com> <8f5u58$3lu$1@wanadoofr> <8f73p1$rgs$1@nnrp1.deja.com> <1ead2of.ov19z41vtwix1N%herwin@gmu.edu> Organization: The World Public Access UNIX, Brookline, MA Newsgroups: comp.lang.ada Date: 2000-05-09T00:00:00+00:00 List-Id: herwin@gmu.edu (Harry Erwin) writes: > Barry Boehm (in Chapter 30 of Software Engineering Economics) discusses > this. 10-year life-cycle costs ranging from 60% to 75% seem typical. Fine, but we shouldn't forget that if a software project gets cancelled before seeing the light of day, maintenance costs are zero. But that doesn't necessarily say anything good about that project! Or, if a project is successful (many people use the software for many years) then maintenance costs will be high. - Bob