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=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,f23f789345652e5b X-Google-Attributes: gid103376,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII Path: g2news1.google.com!news1.google.com!border1.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!backlog2.nntp.dca.giganews.com!nntp.bt.com!news.bt.com.POSTED!not-for-mail NNTP-Posting-Date: Wed, 21 Jan 2009 07:14:09 -0600 From: Brian Drummond Newsgroups: comp.lang.ada Subject: Re: Users of the BON notation among Ada users ? Date: Wed, 21 Jan 2009 13:23:53 +0000 Reply-To: brian@shapes.demon.co.uk Message-ID: References: <30be5a15-ed2e-4853-b9ba-f4ff2e770aa8@r36g2000prf.googlegroups.com> <96df8f4d-58a1-4f6c-921b-e5a76b305ab8@d36g2000prf.googlegroups.com> X-Newsreader: Forte Agent 1.7/32.534 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Usenet-Provider: http://www.giganews.com X-AuthenticatedUsername: NoAuthUser X-Trace: sv3-gein8EC++y0YMZTRqJl1fBAF/lpqfOTBlEqp/tAu6Hhuv5pyGL9/ZcRP+GtD29iQG4VFFzvwiZG22XX!XitlogQM6pu0H5dYFPdPNuvJTspDPgKZuiRrLqciXqJrN7BgpJaDWoH8AgH6Py1pqpsiUL7mHXIB!gw0= X-Complaints-To: abuse@btinternet.com X-DMCA-Complaints-To: abuse@btinternet.com X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.39 X-Original-Bytes: 2496 Xref: g2news1.google.com comp.lang.ada:3468 Date: 2009-01-21T13:23:53+00:00 List-Id: On Tue, 20 Jan 2009 10:44:27 -0800 (PST), Hibou57 (Yannick Duch�ne) wrote: >On 19 jan, 13:22, Brian Drummond wrote: >> Thanks to everyone for an interesting discussion. It inspired me to find >> a second-hand copy of "Seamless Object-oriented software archtecture" by >> Walden and Nerson. >> ...it had been withdrawn precisely ... never. >Not surprising : I started this thread with a comparison of the number >of result returned for a request about UML and BON. Further more, the >BON official web site seems mostly dead for at least some years. > >But this does not tell anything about its usefulness Probably says a lot about its practical usefulness, unfortunately. Even if it's the best design tool in the world, its actual implementation is unlikely to be perfect. Which means time spent fighting the tools to overcome bugs, limitations, documentation errors, etc. Unless you have a critical mass of users, you get to bear an unreasonably large share of that. - Brian (who has to fight enough tool problems in VHDL)