CLOUD MIGRATION: Strategies and Benefits

There are companies of different sectors that are migrating their services and applications from traditional infrastructure to the cloud. For those who are not familiar with what cloud migration is, and what are its different types, this article will guide you with all the related information. According to Markets and Market’s research report, the global cloud computing market size is expected to grow from USD 445.3 billion in 2021 to USD 947.3 billion by 2026, at a Compound Annual Growth Rate (CAGR) of 16.3% during the forecast period. In this article, you will understand what cloud migration is, and what are the different strategies and tools used in cloud migration?

What is Cloud Migration?

Cloud migration is the approach of shifting services, applications, data, and other IT operations and components hosted on servers in an organization to a cloud-based environment. Moving the digital business operations from traditional data centers to cloud architecture is what modern businesses are doing. Furthermore, the term migration in the cloud can also entail the shift from one cloud provider or platform to another. This migration technique is also called cloud-to-cloud migration. Like that moving from a small office to a big one, the cloud migration process also requires a lot of preparation. But this effort of migration is worth it and results in flexibility at work and cost-saving as well. Now you know what cloud migration is. Let us now understand how it is worth the effort.

Cloud Migration Strategies –

There are various cloud migration strategies and plans followed by organizations to shift their data and application from an on-premise environment to cloud-based architecture. Here is a list of different cloud migration strategies used –

· Rehosting: also called the “lift and shift” strategy, uses infrastructure-as-a-service, which simply takes your applications and data and deploys them on the cloud servers. Most rehosting can be done automatically using tools such as AWS VM Import/Export, Racemi, etc. But some cloud users prefer to do it manually to understand the implementation of legacy systems of the cloud platform.

· Refactoring: also called the “lift, tinker, and shift” strategy, is another migration strategy in which the provider does some optimization and alteration in the cloud to employ it as a platform-as-a-service model.

· Revising: In this cloud migration strategy, another layer is added on top of the previous two approaches. The objective of this migration strategy is to optimize the application by injecting major changes in code, to take complete advantage of cloud service.

· Rebuilding: This approach is similar to revising, except it does not make changes to the existing code. It solely drops the existing code and its architecture in favor of the new one. One practical example of rebuilding is moving from a .Net application to a Java-based application.

· Replacing: This strategy talks about migrating to another vendor-based application provided by a third party from its on-premise application. In this strategy, only the existing applications and their associated data migrate to a new system.

Repurchasing: In this cloud migration strategy, the entire service shifts to a whole new product. The repurchasing strategy shifts specifically to a software-as-a-service platform. Examples of such moves are CRM to Salesforce, a traditional web application to CMS to Drupal, etc.

Benefits of Cloud Migration –

Since you have gathered some knowledge about what is cloud migration, it is important to understand its benefits also.

· Flexible Scalability: Migrating your IT infrastructure to the cloud will enhance your computing resource for scalability. This will enable your business to opt for cloud computing resources on-demand where you can easily upscale or downscale your computing resources as per the need.

· Efficient Operation: Integrating the business with cloud-based services modernizes the interconnectivity, which ultimately improves the operational efficiency and productivity of the employee.

· Status monitoring: Most cloud services have built-in status monitoring systems that can notify their users to react when there is a potential issue or technical outrage.

· Auto-backup and Logging: Data backup and logging services are uniformly critical to preparing your business for disaster recovery. The cloud backup will keep your service up and running, whereas the logs will present ample information about what caused the issue.

· Improves Cost Management: The significant feature of cloud computing, which is auto-scaling enables its users to provide additional services as per requirement and turn them off when not required. Auto-scaling has a notable benefit in reducing costs for the business.

· Manages solid security: Cloud security is an essential part that is also taken care of by the cloud providers. They provide security by keeping unwanted traffic away from the scope and implementing machine-learning filters to implement automatic security. So, the organization migrating to cloud infrastructure (end users) doesn’t have to take care of security.

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