Zombie Applications - The Walking Dead of the Datacentre

Posted by Matt Siemens, Partner, Hybrid Cloud & Infrastructure on Oct 7, 2019, 1:29:23 PM
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This blog is the second in a series from HighVail technical leaders that looks at the drivers leading to application containerization as part of a strategy to modernize.

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For many organizations, walking through their datacentre is like taking a trip back in time. Ancient systems from a bygone era dot the landscape between racks of faster, modern hardware. Approach any one of these aging systems and a single, terrifying truth is revealed. They're still powered on! Oh the horror!

Legacy applications still have a very real business value, and that comes with the cost (and headache) of maintaining the underlying platform (hardware and operating system).  Once extended support for the platform is no longer available, these systems become a liability.  Operating system bug fixes and security patches are no longer available, and hardware replacement parts may be scarce, which poses a tremendous security risk to the entire organization.  While it might be possible to replace or refactor some applications running on these platforms, the costs and challenges can often be prohibitive.  This puts organizations in a tough spot.

A Modern Approach to a Legacy Problem: Containerization

Containers, while not a new technology, have taken off like wildfire over the past few years, having evolved to meet modern demand.  Containers are paving the way in how applications are packaged, distributed and executed in private, hybrid and public cloud environments.  Unlike virtual machines, which employ hardware virtualization and contain a full operating system, containers provide "just enough" runtime (libraries and other dependencies), to run most applications.  This has a couple of advantages:  First, it facilitates the decoupling of an application from its underlying operating system, which is helpful when that operating system is end of life.  Second, it provides a highly portable, common format in which an application can run, allowing for a containerized application to run or move anywhere, avoiding issues like vendor lock-in.

Containers enable organizations to safely migrate their applications off older platforms, without modification, into a production ready, supported environment, facilitating the legacy systems to be properly retired.

Are you looking for a solution to address aging hardware and sunsetting operating systems? Learn More

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About the Author
Matt is a Partner & Technical Leader specializing in Hybrid Cloud and Infrastructure at HighVail Systems. You can reach him at msiemens@highvail.com

 

Topics: Insider, cloud, DevOps, Windows Server 2008

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