LOL, organizations have been running multiple systems for decades. Before you were born.
Sent from Yahoo Mail for iPhone On Friday, October 22, 2021, 10:12 PM, David Crayford <dcrayf...@gmail.com> wrote: How about JPMorgan Chase who also use AWS in their enterprise https://aws.amazon.com/solutions/case-studies/jpmorgan-chase/. It's the tip of the iceberg. You have obviously been out of the industry for a while. The typical enterprise IT system these days is heterogeneous. It's all about integration. CICS have recently added support for correlation tokens so a transaction can be tracked to the source of origin on distributed systems. On 23/10/2021 9:58 am, Bill Johnson wrote: > HSBC is one poorly run bank. Since 2000 to today the stock has been cut in > half. 60 to 30. So, I wouldn’t be touting their decision making. Also, the > AWS signing was so they could layoff thousands of employees. A move that > wreaks of desperation. > > > Sent from Yahoo Mail for iPhone > > > On Friday, October 22, 2021, 9:39 PM, David Crayford <dcrayf...@gmail.com> > wrote: > > On 23/10/2021 9:04 am, Bill Johnson wrote: >> No bank needs AWS to process millions of transactions an hour. Every major >> bank does it on the mainframe without the outages AWS injects into the >> process. > Well, obviously HSBC do and they're the 6th biggest bank in the world. > AWS offers 99.999% uptime SLAs so if HSBC suffered an outage it's going > to be expensive for Amazon. > > Talking about outages a few years ago my bank suffered a catastrophic > outage when a batch job was incorrectly restarted from the wrong step. > Wages and pensions were not processed. RBS had a CA7 maintenance error > which caused weeks of chaos which was blamed on lack of skills after > outsourcing their operations to Hyberbad. They were find £57M by the UK > government. Air New Zealand suffered a catastrophic mainframe failure > caused by the incompetence of IBM global services carrying out a DR > test. Customers couldn't board their planes. It doesn't matter how solid > your IT platforms are when humans can make errors. > > >> >> Sent from Yahoo Mail for iPhone >> >> >> On Friday, October 22, 2021, 7:38 PM, David Crayford <dcrayf...@gmail.com> >> wrote: >> >> Haha, you don't give up. How about this. HSBC has nearly $3T dollars in >> assets. They have integrated their mainframe with Amazons AWS cloud. >> You've been pwned man, take a breather. >> >> "For large financial institutions, it can be extremely hard to predict >> when your architecture may need to scale to process millions of >> financial transactions per day. HSBC addressed this challenge by >> integrating its on-premises mainframe with AWS services such as AWS >> Lambda, Amazon Kinesis, and Amazon DynamoDB." >> >> https://www.slideshare.net/AmazonWebServices/how-hsbc-uses-serverless-to-process-millions-of-transactions-in-real-time-fsv305-aws-reinvent-2018 >> >> >> On 22/10/2021 7:51 pm, Bill Johnson wrote: >>> Australia’s largest bank is Commonwealth Bank of Australia with a little >>> over 1 trillion in assets in Aussie dollars. ANZ banking group #2 at >>> slightly over a trillion in assets. Wetpac banking 3rd at around 900 >>> billion in assets. Which doesn’t put any of them in the top 20. The 20th >>> bank in the real top 20 is Group BPCE of France at approx 1.5 trillion. >>> These numbers are as of October 10th, 2021. >>> >>> Millions of transactions a day is comical. Millions per hour is what many >>> banks process. 1 billion credit card transactions happen daily. Just credit >>> cards. >>> >>> I look forward to seeing your proof of an Aussie bank in the top 20. >>> >>> >>> >>> The link I provided was Australia's largest (and a world top 20) bank >>> with millions of transactions a day. They're not stupid, production >>> technology choices are critical which is probably why IBM have spent $$ >>> making sure Kafka runs ok on z/OS. >>> >>> Caching isn't a new idea. It's a common CICS design pattern using TS so >>> you don't have to make an expensive call to DB2 or IMS. The customer >>> solution is not call the mainframe for read transactions. It's not >>> uncommon, it starting to become pervasive. Writes are a different matter. >>> >>> >>>> However the management was not happy because of that, just because >>>> they want to switch the mainframe off. Nevermind, the new transaction >>>> system has response times 35-140ms (compared to 4-5ms on mainframe). >>>> >>>> >>>> >>> ---------------------------------------------------------------------- >>> 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
