6Prediction #1“I believe OS/2 is destined to be the most important operating system, and possibly program, of all time.” Bill Gates, 1987
7Prediction #2“The last mainframe will be shut down by 1996” Stuart Alsop,HAL9000 became operational on 12 January 1997
8Cloud – 21st CenturyThe mainframe is still alive because business-critical applications run there80% of business data is stored on mainframes200 billion lines of COBOL (adding 5 billion a year)1 trillion dollars of application value50 billion devices connected to z/OS by 202043 billion banking transactions in 2013The mainframe evolvedUnixLinuxPetabytes of dataThe cloud providers are trying to recreate the mainframe on another platform
9The web did not kill print MP3s did not kill the record industryThe mobile phone did not kill the desktopCloud computing has not killed off the mainframeThe mainframe is a 50 year old machine that has evolved and improvedYou could say the mainframe of old really is dead, but adapting to each new IT disruption has changed it into a different beast
10z/OS Market Trend MIPS vs. Customers Overall MIPS utilization within the market is expected to grow……while small and some medium customers are anticipated to leave mainframe environment.10,000 mainframes worldwide
11Prediction #3“I think there is a world market for maybe five computers." Thomas Watson, chairman of IBM, 1943
15“A slow application is a down application” UPS Blue Christmas“A slow application is a down application”Before Christmas last year UPS was struggling delivering packages. Customers were repeatedly checking from their mobile devices to see where their packages were. Every day people were sending 2, 3 or more requests to get an update on their package status. Each request sends an MQ message to the MF which gets processed in CICS before sending it back to the user. The CICS regions failed to keep up with the new increased activity.
16“Zero Balance in Your #Chase Account” (Twitter post re: Chase Mobile App Outage) “JPMorgan Chase customers see zero balances after technical glitch”(ComputerWorld)“Has #Chase been hit by hackers?”(Twitter Post)Quick FixIMSDB2
1966% of CIOs fear the impending retirement of the mainframe workforce Aging Workforce66% of CIOs fear the impending retirement of the mainframe workforce40% of CIOs have no formal plans in place to handle mainframe skills shortage.
23DevOps in a Nutshell DevOps is confusing Faster is better Software is the interface for consumptionTest in productionFailures will happenGive people tools and trust themMeasure everythingGather feedbackShare knowledge
24Why DevOps and Why Now? US Air Force dog fight victory study The answer was not a faster jetThe answer was not more fire powerThe answer was the pilot that could react to change faster won most of the time
25Why DevOps and Why Now?It’s all about reducing cycle time between delivering software updatesSoftware automates the business processSoftware extends the business functionalitySoftware disrupts the business model (massive change in a short period of time)
26Why DevOps and Why Now? It’s all about a competitive advantage AMEX is afraid of Apple Pay because the latter can respond faster to customer needsSoftware rollout horror story7 departments involved in a single release deployment that took 3 monthsDevOps is critical to business survivalContinuous delivery is all about removing the bottlenecks that stop you from delivering value to the customer.
27Agile Agile is part of DevOps but is not DevOps Agile does not mean doing more with lessCompuware is going agile
28The Best Place to Test is in Production Deploy code to 1 or 2 serversEnforce failures and see what happensIt is a controlled environmentIt is easier to restore service with experts at the ready than at 3:00 AMYou need to test the defect-handling code!Need to discover what normal looks like when things are abnormalIf you do not proactively test failure your customers will test it for you.
29Computers are useless. They can only give you answers. A Final Thought….Computers are useless. They can only give you answers.Pablo Picasso