Um, OK...so it's going to work for the subset of programs that happen to use the calls that they've implemented? This reminds me of early Windows, when it was a shell over DOS: everything was fine until it wasn't, when you'd try something that hadn't been handled yet, and fall off the edge of the earth.
Seems like it's going to take a ton of testing to be sure your application is going to run safely?! On Mon, Dec 12, 2016 at 12:06 PM, Mike Schwab <mike.a.sch...@gmail.com> wrote: > Sounds like z/390. Keep the hardware instructions, rewrite the z/OS calls. > > On Sun, Dec 11, 2016 at 10:49 PM, zMan <zedgarhoo...@gmail.com> wrote: > > http://www.computerworlduk.com/infrastructure/lzlabs- > promises-end-mainframe-migration-woes-with-software- > defined-approach-3645686/ > > seems enthralled with LzLabs, but the article doesn't really shed any > light > > that I can see. > > > > Consider statements like: > > *Yet, while considered robust and reliable for certain uses, mainframes > are > > costly to maintain and difficult to support, particularly due to the > > imminent retirement of those with knowledge of a system’s inner > workings.* > > > > OK, we can debate this (and have), but then: > > *Cresswell described the migration process: “When an application is moved > > from the mainframe into our environment we don't recompile it or anything > > like that. We literally take the binary code that comes off the mainframe > > environment,” Cresswell explained.* > > > > How does this help with the maintenance issue? Do you keep a real z for a > > dev platform? > > > > Next graf says: > > *“At the time we put it into the container we replace all the APIs with > > contemporary ones that reference our software defined mainframe > container.”* > > Um, right. So that > > L R3,540 Get TCB address > > statement is going to get replaced? Or just replicated/emulated? Or > they're > > going to emulate all of the data structures in z/OS? > > > > Or is this all a shell game, and it's really just Herc in the cloud? > > > > I'm not opposed to someone doing something to shake things up. But the > lack > > of detail from Lz is starting to smell like PSI redux. > > -- > > zMan -- "I've got a mainframe and I'm not afraid to use it" > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > -- > Mike A Schwab, Springfield IL USA > Where do Forest Rangers go to get away from it all? > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- zMan -- "I've got a mainframe and I'm not afraid to use it" ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
