IBM Z: An Architecture That Scales for Modern Computing

January 16, 2018 by Bob Reselman 0 Comments

The architectures I like best are the ones that are built to scale. I can’t tell you how many time I’ve run across applications that have hit the wall when the request count goes up from hundreds to thousands of simultaneous users. The next thing you know the CPUs start to peg, memory get maxed […]

DevOps Chat: IBM z14, Built for DevOps from the Ground Up, with Hayden Lindsey

September 27, 2017 by Alan Shimel 0 Comments

IBM recently GA’ed perhaps its biggest zSystems mainframe release in the last decade or longer. The z14 mainframe from IBM has also been designed from the ground up to be DevOps-empowered. From APIs and other integrations to language support, the z14 is IBM’s most advanced mainframe ever. I had a chance to speak with Hayden […]

DevOps in Legacy Systems: A Mission Impossible?

March 17, 2017 by Aditya Vadaganadam 2 Comments

The word “legacy” evokes mixed reactions from the IT and business crowds alike. For those who depend on legacy systems such as the zSeries and iSeries platforms, it is a way to deliver stable and reliable applications into production. Business stakeholders who may not know the intricacies of the technology often take a view of, “Why […]

The Perfect Combination: Imperative Orchestration, Declarative Automation

February 1, 2017 by contributor 0 Comments

There are two fundamental approaches of how to design automation processes, declarative (also often known as model) and imperative (also often known as workflow or procedural). The purpose of this article is to explain the principles of each, explore a little of how they work, try to highlight some of the strengths and weaknesses and […]

Mainframes and the Myth of Bimodal in DevOps

September 23, 2016 by contributor 0 Comments

Rewind 20 years ago when we lived in a business world where big companies with unlimited resources beat out smaller, more strapped companies. The digital era—also known as the “age of the customer”—is changing all that. Where big once beat small, fast now beats slow. The DevOps approaches of startups often make them more adept […]

The Art of DevOps

August 6, 2015 by Sanjeev Sharma 3 Comments

This is the third in a series of posts on DevOps. The first written by my colleague Lee Reid was titled The Simple Math of DevOps. The second The Calculus of DevOps was written by IBM client, and my friend Carmen DeArdo of Nationwide. Lee introduced mathematically improving delivery throughput by leveraging DevOps to improve […]

The Calculus of DevOps

July 23, 2015 by Contributor 7 Comments

This is the second in a series of blogs, partnering with Lee Reid, who wrote the first installment “The Simple Math of DevOps” and Sanjeev Sharma both of who are outstanding DevOps Thought Leaders from IBM. I am picking up on Lee’s mathematical DevOps model to apply a calculus perspective, a “calculus of DevOps” if […]