Operating a Hybrid In-House/Cloud Infrastructure During Cloud Migration

When large companies migrate their in-house systems to a cloud environment, it is usually done slowly over time. Attempting to migrate dozens or even hundreds of different systems, all at once, will lead to production outages and other issues. This is in addition to the fact that it would mean decommissioning existing systems well before their scheduled end of life.

For most companies that decide to move to a cloud solution for their infrastructure, there is a transitional period where some systems continue in-house hardware while others are brought up in the cloud. This hybrid solution can go on for months, if not years, depending on the scope of the migration. Some companies even decide to keep certain systems in-house permanently. Understanding how to operate this type of hybrid system, whether temporary or going forward, will help to avoid problems. Trianz consultants have experience managing incremental migrations and can provide the insight and expertise needed for a smooth transition.

Creating a migration schedule

Modern computer systems are often interconnected, which can make this type of migration a challenge. Understanding which systems rely on which other systems is an important first step in this process. When that is fully understood, the technical teams will need to work with a migration consultant to ensure that the traffic is routed correctly before, during, and after each system is migrated. Experienced consultants can create a data center blueprint and use application portfolio discovery strategies to ensure that the connectivity between systems is properly understood before any action is taken.

Creating a schedule of which systems will be migrated at what times will help with appropriate planning. This will also be an essential tool for coordinating with various teams across the organization that rely on these systems.

What will existing engineers do?

Another important topic that needs to be considered is what are the existing IT engineers going to do after their systems are migrated to the cloud. Cloud infrastructure does not require engineers to support the hardware, security or other aspects of the systems that were formerly taken care of in-house. Businesses must decide what these employees will do going forward. In general, there are two options:

  • Adjust their responsibilities – Allowing these IT professionals to transition from a maintenance and support role to something more innovative is often the ideal solution. Engineers who have detailed knowledge of how systems work can be an invaluable resource when they can focus on process and system improvement rather than managing the day-to-day maintenance and support of the infrastructure.

  • Focus on continuous migration progress – When working on larger scale data center infrastructure migrations to the cloud, one challenge which is often apparent is that of teams getting comfortable with slow or no progress on the project. While operating a hybrid infrastructure environment can be a good option, it should never be something that a company just settles into haphazardly. Once a cloud migration starts, the technical teams involved need to keep pushing the progress forward according to the established schedule. In the event of any delay, the schedule should be immediately updated to ensure progress does not lose momentum.

Why Trianz?

Trianz’s consultants are experts in planning and executing cloud migrations and have successfully executed hundreds of projects with enterprises ranging from Fortune 500 to mid-size and startups.

Book a consultation with us today for seamless cloud migrations and to ensure it’s completed on time and without problems.

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