Modernize Your IT Infrastructure in 5 Steps

Deliver a more agile IT environment using commercial off-the-shelf infrastructure.

IT infrastructure and operations (I&O) leaders frequently start their bimodal IT infrastructure modernization efforts backward, by spending on new — usually Mode 2 — technology and talent before properly assessing, rationalizing and simplifying their existing assets and systems, which are often in Mode 1.

“In many cases, I&O leaders can simplify their infrastructure without significant additional capex or opex investment,” says Phil Dawson, research vice president at Gartner. “This creates a stronger platform to move forward and invest wisely to position IT at the heart of business growth.”

Through 2020, Gartner predicts that 80% of Mode 1 modernization projects will fall short of cost savings targets due to a failure to simplify and address unnecessary complexity. Moreover, the extent to which Mode 1 projects will effectively support new Mode 2 investments will often depend on how well the process of simplification and rationalization has been carried out.

Consolidation is a reduction in the number of physical servers, while rationalization is the reduction of the variety of different server types

Dawson recommends I&O leaders follow five steps to achieve optimal outcomes with IT infrastructure modernization:

Step 1: Reassign your inventory of servers to address random server proliferation
Organizations at this stage have a highly inefficient infrastructure marked by random server proliferation, where systems have been added in a siloed way to meet the ad hoc needs of business units or particular workloads. I&O leaders should begin addressing this by taking a detailed inventory of assets. Once complete, they have the necessary information to start a process of consolidation and rationalization.

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“Consolidation is a reduction in the number of physical servers, while rationalization is the reduction of the variety of different server types. Both are important aspects of simplifying IT infrastructure, yet rationalization is often overlooked even though most complex IT systems include underutilized or inappropriate systems,” says Dawson. “Consolidating without rationalizing simply perpetuates unnecessary functions in a less complex infrastructure,”

Step 2: Develop common management tools and processes
When unnecessary assets have been removed, it’s a good time to implement a common management of the entire IT infrastructure, including the software-defined network, compute infrastructure, and storage. This should be straightforward and can enable the measurement of success of all subsequent steps.

Step 3: Reduce the number of common locations across an infrastructure
At this point, opportunities to reduce the number of physical locations in the IT infrastructure will emerge, which should reduce real-estate costs, as well as further simplify management and sourcing. Often this will involve data center relocation or re-examining provisions for lights out operations and remote office/branch office.

Step 4: Renovate infrastructure through workload consolidation and automation
This step can be complex and the overall goal is to further reduce physical assets by increasing the workload density and efficiency of each server. Typically virtualization is used to fit more workloads onto each physical asset and reduce the total cost of ownership of the IT infrastructure. This is also a great time to identify workloads and processes that are good candidates for automation and further increase efficiency.

Step 5: Rationalize the variety and type of items within your infrastructure
Now the number of physical assets has been reduced, the next step is to rationalize the number and type of logical assets present within the infrastructure.

“Initially this step is concerned mainly with infrastructure standardization toward commercial off-the-shelf infrastructure, typically achieved with software-defined implementations and virtualization,” says Dawson. “This is an ongoing process as new business demands are placed on IT infrastructure and old processes, and workloads become redundant.”

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Gartner clients can read more in "Follow These Five Simple Steps to Rationalize and Renovate Your IT Infrastructure" by Phil Dawson and others.

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