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=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,3cd3b8571c28b75f X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-08-25 07:08:02 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!logbridge.uoregon.edu!arclight.uoregon.edu!wn13feed!worldnet.att.net!204.127.198.203!attbi_feed3!attbi.com!sccrnsc01.POSTED!not-for-mail Message-ID: <3F4A17D5.3000307@attbi.com> From: "Robert I. Eachus" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.2) Gecko/20021120 Netscape/7.01 X-Accept-Language: en-us, en MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: A Customer's Request For Open Source Software References: <3F44BC65.4020203@noplace.com><20030822005323.2ff66948.david@realityrift.com> <20030822020403.625ffbf5.david@realityrift.com> <3F4657AD.1040908@attbi.com> <3F4828D9.8050700@attbi.com> <3F48D263.8060004@noplace.com> <3F48E863.3080806@attbi.com> <3F4A02FB.5050504@noplace.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit NNTP-Posting-Host: 24.34.139.183 X-Complaints-To: abuse@comcast.net X-Trace: sccrnsc01 1061820392 24.34.139.183 (Mon, 25 Aug 2003 14:06:32 GMT) NNTP-Posting-Date: Mon, 25 Aug 2003 14:06:32 GMT Organization: Comcast Online Date: Mon, 25 Aug 2003 14:08:01 GMT Xref: archiver1.google.com comp.lang.ada:41845 Date: 2003-08-25T14:08:01+00:00 List-Id: Marin David Condic wrote: > There would be a couple of advantages to this approach - one technical > and one financial. Starting with a simple single-user system gives you a > reasonably simple goal to shoot for and lets you iron out all the bugs > while building your understanding of what you are doing. The second is > that you could easily release the single-user version as a freebie that > would get people using it and then provide the multi-user version as a > paid-for upgrade. Ah, the perils of decent design and encapsulation! If the database interface and transaction management protocol are properly encapsulated these changes are trivial. But if they are trivial, you will have a hard time charging for them if the base system is free... -- Robert I. Eachus "As far as I'm concerned, war always means failure." -- Jacques Chirac, President of France "As far as France is concerned, you're right." -- Rush Limbaugh