David, Yep that’s what I heard about lzLabs , I have former Swiss colleague who mentioned them to me. He was a diehard MVSer and thought they were pretty impressive.
Scott On Fri, May 1, 2020 at 7:00 AM David Crayford <[email protected]> wrote: > I used to work with the guy that was the tech lead for the LzLabs CICS > project. He tried to recruit some of us! > > IIRC, they got it churning out pretty impressive transactions per/sec. > Don't know about reliability. > > On 2020-05-01 1:03 AM, Steve Beaver wrote: > > The only thing I can't figure out how Lz did it was emulation of a > CICSPLEX, > > and zDB2, and zIMS > > None of those are simple. Plus mainframes have massive thru-put > capability > > > > > > > > -----Original Message----- > > From: IBM Mainframe Discussion List [mailto:[email protected]] On > > Behalf Of Phil Smith III > > Sent: Thursday, April 30, 2020 8:56 AM > > To: [email protected] > > Subject: Re: LzLabs > > > > Peter Baumann wrote, in part: > > > >> Emulating the entire ecosystem and all the third-party tools seems like > >> insane. They call it re-hosting. IMHO you can re-host something written > >> to open standards. Otherwise you have to deal with legal issues and > >> since it's all propritary and patented they must have reverse > >> engineered entire zOS. Can you do it without infringing on patents ? > >> And even if you can, how many man years would you need ? Harsh reality > >> these days is funding is becoming scarce. > > > > > > LzLabs was very careful to avoid any infringement: folks working on their > > stuff had to sanitize their bookshelves, even. Doesn't guarantee > anything, > > but they've been at it a while, certainly longer than PSI did their > thing, > > and IBM hasn't sued, so that probably tells us something. > > > > > > > > As Steve notes, this is hardly John Moores' first rodeo: he won't have > gone > > into this guessing/assuming he could just do it and get away with it. > > > > > > > > Like any rehosting, the point here is to capture the value of the > existing > > business logic. That's huge and is why LzLabs and other such approaches > > (*cough* Micro Focus Enterprise Server *cough*) exist and are successful. > > > > > > > > So while it's certainly unarguable that LzLabs' play is very ambitious, > I'd > > not dismiss it as silly (not saying you were, but I've heard others do > so). > > To the modern CIO who sees the mainframe as legacy, this kind of thing is > > extremely appealing. > > > > > > > > Let's not bother to go into why that may or may not be a valid > perspective: > > the real point is that folks at least think they want this; all it has > to do > > is work well enough. "Good enough is good enough" for most people. > > > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- Scott Ford IDMWORKS z/OS Development ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
