Are you denying that IFL and REST on mainframes are old hat?

If you're alluding to the cost of specialty issues as opposed to the cost of 
non-mainframe platforms, that wasn't an issue that the article raised.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
David Crayford [dcrayf...@gmail.com]
Sent: Monday, June 20, 2022 7:42 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

On 20/06/2022 7:10 pm, Seymour J Metz wrote:
> Whoosh!

Is that the tick shaped thing that goes on the side of Nike sneekers?


> There is no "traditional transaction processing"; transaction processing is 
> an open ended paradigm. CICS may have it's limitation, but the fact that it 
> has been around for half a century should be enough to demolish the belief 
> that mainframe=batch.
>
> The availability of, e.g., REST, on z/OS is not exactly breaking news.

Speaking from experience?


> The reference to IFL is because the author of the article seems to believe 
> that Linux and mainframe are mutually exclusive, despite the lengthy 
> availability of Linux on Z and the lengthy availability of specialty engines 
> to reduce the cost.

Do you have experience with IFL's?


>
>
> --
> Shmuel (Seymour J.) Metz
> http://mason.gmu.edu/~smetz3
>
> ________________________________________
> From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
> David Crayford [dcrayf...@gmail.com]
> Sent: Sunday, June 19, 2022 3:24 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and 
> AWS
>
> On 20/06/2022 2:53 am, Seymour J Metz wrote:
>> Systems like CICS *are* real-time, straight-through, although they can 
>> certainly create data for later batch processing. The point is that for half 
>> a century "mainframe" has included a wealth of applications that were not 
>> batch, and that the point of transactional subsytems was to get away from 
>> batch. There may be many valid reasons for getting away from a mainframe, 
>> but the belief that you need to do so in order to get away from batch is 
>> insane
> You're still missing the point. CICS is a transaction monitor. I'm
> talking about real-time, continuous data feeds using middleware like
> Kafka as the central nervous system. This is a new concept and very
> different to traditional transaction processing + batch. Watch
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3Dx_rYEpRrdrA&data=05%7C01%7Csmetz3%40gmu.edu%7Ce98337b51b004e7d53be08da52b1fe07%7C9e857255df574c47a0c00546460380cb%7C0%7C0%7C637913221683415833%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=n6GiIoEvrP%2FRwRL5s%2FNEz2FoQtGzOxzcheJNRxn6QZQ%3D&reserved=0
>  which is a microcosm of what
> many mainframe sites are doing. Almost every bank that I know of who run
> mainframes are doing something similar.
>
>
>> Similarly, the desire to use new APIs that are already available on the 
>> mainframe does not explain the desire to leave.
> What APIs are you referring to?
>
>
>> --
>> Shmuel (Seymour J.) Metz
>> http://mason.gmu.edu/~smetz3
>>
>> ________________________________________
>> From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
>> David Crayford [dcrayf...@gmail.com]
>> Sent: Sunday, June 19, 2022 2:02 PM
>> To: IBM-MAIN@LISTSERV.UA.EDU
>> Subject: Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and 
>> AWS
>>
>> On 20/06/2022 12:38 am, Seymour J Metz wrote:
>>> Keep in mind that the mainframe can only do batch processing, with input 
>>> from cards. It doesn't support anything like CICS, IMS or Sabre..
>> What have transactional systems like CICS or IMS got to do with
>> real-time, straight-through processing? Most mainframe transactions
>> store data that is later processed by batch, typically overnight. In the
>> case of banking transactions that require inter-bank settlements this
>> can cause delays of several days. In Australia the government mandated
>> the NPP (New Payments Platform) which facilities instant payments using
>> payids, which can be an email address, cellphone numbers etc. The API is
>> a simple REST API using HTTP
>> https://secure-web.cisco.com/1sBq5wh7NBIBtcLlnoe7mev6AZm4hzTAbw1IPjJa9kH6InoJ3U_Zwg7o9Mx_hc9VvcqSkO2GzjUCct8uA5cgnRrFTDuTMQtKKkcfMvJDb1lG83vYcBEiuvMNdKd-AF1d2oturWYl8cZaHKzA-Pdj-pyq3tHgfdJ5klsvrizH8LlkD_HYXieEshsP0famNedXtmoeOw5Urs-J_juVmfWlBLkL5DnxoSvjxKXs3irUVXLx3kIeGvCnSoZwaEeOhIw9o54Tm07SLXThtFfQSMhbhzK-GX34THADQG95_2Wf5Wm7VVHzxBSLvNCP4OVR5cUH1Blor-f81GcfMVs_XxpJ2-Z4_b4kClC7HDOWZLKqZGtSoXtnAaIXHkAeq2Pb3Q-S86UNOkXncePZm3DFQsAVpYKVN1zSAt5Hr9wo_ll03r2pE-zuCf5lLvXbyW6SSnZG_/https%3A%2F%2Fnppa.com.au%2Fwp-content%2Fuploads%2F2020%2F10%2FNPP-API-Framework-v4.0-Final.pdf.
>> It's my understanding that no bank implemented NPP on the mainframe.
>>    From the presentations I've seen they used CDC to capture writes and
>> then published events to Kafka, which was fanned out to different
>> micro-services to do fraud detection, payments, push notifications etc.
>> Back in the day straight-through processing was a pipe dream which is
>> why we have overnight batch. It's a relic of applications written
>> decades ago for very different hardware platforms.
>>
>>
>>> It's much better to run Linux than to get an IFL, which can only run batch.
>> I have no idea what you mean?
>>
>>> Cynical? Moi?
>>>
>>>
>>> --
>>> Shmuel (Seymour J.) Metz
>>> http://mason.gmu.edu/~smetz3
>>>
>>> ________________________________________
>>> From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
>>> David Crayford [dcrayf...@gmail.com]
>>> Sent: Sunday, June 19, 2022 2:36 AM
>>> To: IBM-MAIN@LISTSERV.UA.EDU
>>> Subject: Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and 
>>> AWS
>>>
>>> On 19/06/2022 5:23 am, Enzo D'Amato wrote:
>>>> I also agree, but as a non-insider, I wanted to know what others were 
>>>> thinking. I also belive that in most cases, the effort spent trying to get 
>>>> off the mainframe would be better spent actually fixing the code running 
>>>> on it in the first place. Moving around broken code doesn't automatically 
>>>> fix it.
>>> It's not just about fixing broken code. If you read the ING CIO's
>>> remarks about why they wanted off the mainframe it's not about the
>>> platform. Nobody denies that mainframes are insanely brilliant hardware
>>> platforms. ING wanted to get rid of batch and move towards an event
>>> driven architecture using pub/sub where they can easily deploy loosely
>>> coupled micro-services to provide cutting edge products. The technology
>>> stacks are built on open source such as Kafka, MongoDB, Cassandra, NiFi,
>>> Avro etc.  The retail banking industry has been disrupted by fintechs so
>>> waiting for an overnight batch schedule for settlements is a competitive
>>> disadvantage.  Cracking open and modernizing 50-60 year old COBOL batch
>>> applications is a VERY heavy lift.
>>>
>>> https://secure-web.cisco.com/1GoiNO6FBPSWW0D9FZYVYixer1jsPeSd_xH-wmi6jMOC-onAkZQ4Pkf3c1UMGWbQeEprnkSWa1xGxz4vvn-LF0jVrCFlVVFZKQJ4Jti8nbQ7QchsOxhwNiwluJrdKkQP2nXXHQH2Ut2NNa9VChfVBIDR7Akw4ud6_pIXLAFXO5l73Sv-iLZFNU1MWWnLapWhhCKvytdzs7EJTvNZ2qbU8xwCdBEl1UkUuL-jHHZLk6xJPxAadVRWP1nuLz8i5AZrfvDI8u8rZ0V0DT77_Uvu8klHLbL9xe2qaYi1P6a6mc8r9Aj2jothGC-CR9cbCgb-JVXupgin9UctH5C_iVMyn_T-9jzZjtNyZDETxb8hXMU-BOuUz89MGu1nniZJ2tvSSN8yh5A6K-_It8fA10UFCfSBhOB0NVkwKL5M8A2BxZ9_e111GnxGK_PAbj0wh5fvU/https%3A%2F%2Fwww.theregister.com%2F2016%2F07%2F01%2Fing_mainframe_strategy%2F
>>>  <- read
>>> the comments section. It's hilarious :)
>>>
>>> The doubly whammy is there's a skills crisis slowly unraveling. In the
>>> last year we've had 3 key resources move to 3 day weeks with a view to
>>> retiring. Replacing highly skilled assembler programmers with deep
>>> subsystem knowledge is proving to be difficult. Young people don't want
>>> to learn HLASM as they consider it a dead-end. Their position is "why
>>> invest 3-4 years learning a language that is useless if you move to
>>> another industry?" I can't comment about COBOL application developers.
>>>
>>> In 10 years time I expect the mainframe to be alive and kicking and
>>> significantly modernized. The small/medium shops will probably be all
>>> gone. When I first moved to my current town in 1998 there were 25-30
>>> mainframe sites. Now there are 3 and 1 is on life support. One of our
>>> customers re-platformed their CICS/COBOL/Batch applications from a z9 to
>>> a single blade server. It doesn't make any sense financially for a small
>>> site to run a mainframe.
>>> https://secure-web.cisco.com/1-2iTgedz9DPApFopeywjfCeLAkb4kS8D5gFCEDU1FxvGiDWA4ou6pqJyb1d_hBAvGUBtcA89RrAylX3opaG2YEyDaGkIhptpRdukdHvdGOJNKn5bruFlKlnigitV6PrV4n-6zInQkhkJJdSriM40VeYiNOpB8Pg3nTa5E6k6TTIOXSfdaiQOGk1Y6EXL4Xtu-wkeXJmwaPEZljVo3KuwR0K75lrsX8fDe2f2CjcjvfrM3ruLG4na4zrAU_pR4DViMh7bKBhJ35a94VHU7GR4Vh_mXKaYwtbhwnRJWR8gVkvYjmB2CjTOIxJE52bNN1-82_fpYopX-kZQntDkR4OKjvj-b1AV9yXlGQ3A-eGFbtuCb0_1t2R9tgZ5MqgMbzxGQKIf78I2U_xq8a9qYywx3_OgfQwbeMgd8fiatdC5CbUSlphDlQfSDw9sOErejC7z/https%3A%2F%2Fwww.itnews.com.au%2Fnews%2Fwa-insurance-commission-decommissions-mainframe-322780
>>>
>>>> Get BlueMail for 
>>>> Android<https://secure-web.cisco.com/1bcgENTOsK8XbQ24q-R3ISXJI_yYDqxq2wHDg7brpU3Np08gk-JU47Zv8dYAGOAWnxVTv-NWRXAx9s4JTmUJU07wHFT67zaiAPG32upxzSYnSiKIM6O3YI79ZGti7V-QdCWRtiBxOjLh3oMxNvzCcJgTTW-HQmmeQii1zDdP-GC1Rs0umn7xhevV0-PazdAun8gOm5P8Ld_gCw2UojSyXNKZKfmsqJPnt96XgISsJy9-_K81O2L5O-GDW2nxM7_C00lPjk0sF0iNqPQKNZAhVr0kk4TCoT4ePDBbBBUCUw6KfhxpkkhmUuo549OfnVRHweKCGYhEm5WE9nw-5khsn01oqKJxbv_y6P4BrO5DGw0QG7NfYwbUflAaNRV_ljL51KqrNoQV0AdEetiWauYmab1O_GjVvCOudxDs52JwrFXbWBbqEqxhU7qQ3TS--F13f/https%3A%2F%2Fbluemail.me>
>>>> On Jun 18, 2022, at 5:13 PM, Charles Mills 
>>>> <charl...@mcn.org<mailto:charl...@mcn.org>> wrote:
>>>>
>>>> I always like the stories about the companies that are in the eighth year 
>>>> of
>>>> a three-year project to get off the mainframe.
>>>>
>>>> Enzo, my friend, you have just kicked the hornets' nest! You had better
>>>> duck, because the onslaught is coming. "The mainframe is [not] dead" is 
>>>> near
>>>> and dear to the hearts of IBM-MAINers.
>>>>
>>>> Yes, I think the consensus is that the mainframe has a future. IBM seems to
>>>> be focused mainly on the very largest shops, so the trend seems to be 
>>>> bigger
>>>> and bigger machines at fewer and fewer companies. But it is hard to 
>>>> envision
>>>> Bank of America balancing their checking accounts every day on an array of
>>>> Windows servers, in their datacenter or in the cloud. My reading of the tea
>>>> leaves -- I am not an insider -- is that for a long time IBM was *saying*
>>>> the mainframe was here to stay but internally they did not believe it and
>>>> were not making decisions on that basis -- but I think that has now 
>>>> changed.
>>>> IBM appears to have made a HUGE investment in the z16, an investment that
>>>> will take more than 5 or more years to recoup.
>>>>
>>>> Welcome aboard!
>>>>
>>>> Charles
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
>>>> Behalf Of Enzo D'Amato
>>>> Sent: Saturday, June 18, 2022 1:56 PM
>>>> To: IBM-MAIN@LISTSERV.UA.EDU
>>>> Subject: Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and
>>>> AWS
>>>>
>>>> As someone who is new to this field, and hasn't been though a wave of "the
>>>> mainframe is going away" yet, will there still be companies running the
>>>> mainframe 5 or 10 years down the line? Also, when I read about companies
>>>> trying to get off of the mainframe, how often do these efforts end up
>>>> succeeding?
>>>> ________________________________
>>>>
>>>> From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of
>>>> Mike Schwab <mike.a.sch...@gmail.com>
>>>> Sent: Saturday, June 18, 2022 12:04 AM
>>>> To: IBM-MAIN@LISTSERV.UA.EDU
>>>> Subject: Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and
>>>> AWS
>>>>
>>>> Moshix signed up for an AWS instance, loaded up Hercules and Turnkey
>>>> 4-, got it going, and allowed some other people to log in.
>>>>
>>>> On Fri, Jun 17, 2022 at 8:31 AM Bill Johnson
>>>> <00000047540adefe-dmarc-requ...@listserv.ua.edu> wrote:
>>>>
>>>>      Cloud - Something the mainframe has been doing for decades. We called 
>>>> it
>>>> outsourcing. GM ran their entire organization out of mainframes in
>>>> Charlotte, Dallas, & perhaps another in the 80's. The internet just made it
>>>> easier, and less secure & reliable. Brought outsourcing to a wider 
>>>> audience.
>>>>
>>>>      Mainframe modernization. An oxymoron. Like saying today's cars are 
>>>> like
>>>> cars from 50 years ago. The mainframe is more advanced than any other
>>>> platforms. Billions of dollars of investment and patented technologies have
>>>> guaranteed its place for decades to come.
>>>>
>>>>      Sure, AWS, Azure, Oracle cloud & numerous others are creating cheap,
>>>> unsecured, unreliable, platforms for small businesses, picture storage,
>>>> emails, instant messaging, and many other tasks that aren't show stoppers 
>>>> if
>>>> they're hacked or down for one of many reasons. As Capital One found out 
>>>> and
>>>> lost almost 200 million for the pleasure.
>>>>
>>>>      I enjoy the glee that many of you exude when IBM has what might be
>>>> perceived as negative news. I saw the same glee when in the 90's some idiot
>>>> said the mainframe would be history circa 2000.
>>>>
>>>>
>>>>      Sent from Yahoo Mail for iPhone
>>>>
>>>>
>>>>      On Friday, June 17, 2022, 9:06 AM, zMan <zedgarhoo...@gmail.com> 
>>>> wrote:
>>>>
>>>>      On Fri, Jun 17, 2022 at 5:50 AM David Crayford <dcrayf...@gmail.com>
>>>> wrote:
>>>>
>>>>      Maybe it's the case that customers don't want to use IBMs cloud. 
>>>> Where I
>>>>      live in Australia the big four banks are moving significant chunks of
>>>>      their infrastructure to public cloud and have government legislation 
>>>> to
>>>>      do so. NAB in particular have been quite aggressive, although like 
>>>> most
>>>>      sensible enterprises they have gone down the multi-cloud route with
>>>>      Microsoft Azure so they don't have all their eggs in one basket.
>>>>
>>>>      It will be interesting to see if IBM can close the cloud gap. Playing
>>>>      catch-up is difficult when competing with behemoths with a decade+ 
>>>> head
>>>>      start.
>>>>
>>>>
>>>>      Indeed. Word from insiders is that since IBM "management" have decided
>>>>      cloud is The Answer, folks have started playing games, like 
>>>> attributing
>>>> all
>>>>      CICS-related revenue as "cloud". Q4 2020, IBM claimed $6.2B in cloud
>>>>      revenue on total revenue of $16B. Given that nobody EVER says"cloud" 
>>>> and
>>>>      "IBM" in the same sentence in the real world, those numbers are quite
>>>>      difficult to believe without this kind of gameplaying.
>>>>
>>>> ________________________________
>>>>
>>>>      For IBM-MAIN subscribe / signoff / archive access instructions,
>>>>      send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>>>>
>>>>
>>>>
>>>>
>>>> ________________________________
>>>>
>>>>      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
>>>>
>>>> ________________________________
>>>>
>>>> For IBM-MAIN subscribe / signoff / archive access instructions,
>>>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>>>>
>>>> ________________________________
>>>>
>>>> For IBM-MAIN subscribe / signoff / archive access instructions,
>>>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>>>>
>>>> ----------------------------------------------------------------------
>>>> For IBM-MAIN subscribe / signoff / archive access instructions,
>>>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>>> ----------------------------------------------------------------------
>>> For IBM-MAIN subscribe / signoff / archive access instructions,
>>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>>>
>>> ----------------------------------------------------------------------
>>> For IBM-MAIN subscribe / signoff / archive access instructions,
>>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>> ----------------------------------------------------------------------
>> For IBM-MAIN subscribe / signoff / archive access instructions,
>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>>
>> ----------------------------------------------------------------------
>> For IBM-MAIN subscribe / signoff / archive access instructions,
>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Reply via email to