From: bill.gunshannon@gmail.com   
      
   On 8/29/2025 11:33 AM, Arne Vajhøj wrote:   
   > On 8/29/2025 11:01 AM, Chris Townley wrote:   
   >> A new blog post by Darya   
   >>   
   >> https://vmssoftware.com/resources/blog/2025-08-29-openvms-vs-linux-cost-   
   comparison/   
   >>   
   >> Interesting assumptions there...   
   >   
   > But not bad assumptions.   
   >   
   > I would summarize the numbers as:   
   > - it cost 500-700 K$ per year to maintain app no matter   
   >    platform   
   > - it would cost 300 K$ to migrate 1:1 from VMS Itanium to VMS x86-64   
   > - it would cost 3 M$ to migrate from Cobol/VMS   
   >    to common tech stack/Linux   
   > which respectively:   
   > - is irrelevant for the conclusion   
   > - is somewhere in the realistic to slightly optimistic range   
   > - is very optimistic for 1 MLOC (I would have said 10-20 M$!!)   
   >   
   > There is absolutely no doubt that VMS x86-64 is the lowest   
   > cost solution.   
   >   
   > The downside is that it is 1:1 so still Cobol, Rdb and   
   > DECForms.   
      
   Why do you think migrating COBOL would be so difficult and expensive.   
   I would expect most of the other languages, which are very likely to   
   be used in the VMS environment, would be much more of a task migrating   
   away from VMS.  Assuming, of course, that one has no choice but to   
   migrate away from VMS.   
      
   While I have never tried a MLOC program :-)  just for fun I have taken   
   many COBOL programs from mainframe and mini environments and moved them   
   to Unix/Linux (my preference is Unix) environments with minimal mod-   
   ification.  Mostly just things related to file system access as file   
   naming conventions vary so much across the IT world.   
      
   bill   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)