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Showing posts from March, 2015

Is Docker the End of Traditional Application Release Management?

Ever since its release in 2013, Docker has quickly catapulted into the enviable position of being the darling of every (operations manager's) eye.  If you've been vacationing on Mars since then or simply haven't been staying on top of the news releases such as the one that has heralded Microsoft's intention to support Docker on Windows (a cause célèbre for sure since Docker is originally a Linux specific platform), here is what you've missed. Docker is a partitioning capability within the address space of an operating environment.  By allowing the partition to use the host OS directly even though that OS resides outside of the partition (known as a container ), the start up time is substantially reduced as is the resource requirements for the management of the container.  (I hope my z/OS readers find this concept to be somewhat familiar.) Typical Virtual Machine layout (from www.docker.com) Financial people love this because the cost of acquiring licenses