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Amazon Web Services (AWS) has taken a giant leap in the cloud computing world and provides more than 100-cloud computing services. These services help you establish cloud environments that are automated, dynamic, and scalable.
Many businesses face some problems in their cloud Infrastructure. This is why many businesses are often seen migrating their cloud infrastructure. One of the most rated cloud infrastructures to migrate on is the AWS cloud infrastructure. Migrating to AWS reduces costs, has better capabilities, and improves the productivity of utilization of the resources. However, migrating to AWS is not a cakewalk. You need to have proper guidance and a proper plan to cultivate the best results out of the migration process.
According to Amazon, migration to AWS must be done in four stages. Following these steps will ensure your migration results are seamless and you can reach the desired results.
Stage 1: Prepare your migration and plan your business strategy.
Identify the present state of your application architecture, the challenges you are facing, and what you want to accomplish. And you should always define your business objectives before you start your Amazon migration process. After determining the goals, you can determine which applications need to be deployed in the cloud.
Stage 2: Discovery and Planning
After you have identified your goals, review your IT portfolio and determine which migration strategies would suit which application. Tools such as Server Amazon Direct Connect, Database Migration Service (DMS), and Migration Service (SMS), etc. can assist you with the migration.
Stage 3: Developing, Migrating, and Validating Applications
You should develop a detailed migration plan for each application. As a Proof of Concept, take on a few apps and see how the migration tools and strategies work in your environment. For the sake of the test, start with the test migration of some applications on your cloud environment. If everything goes well, start with migrating your applications as planned.
Stage 4: Start with Operating
After moving the applications to the cloud, you can now start operating them within AWS. And you can utilize your previous cloud experience to migrate additional applications for even more effective results.
After understanding the basic process for migrating all the apps to the cloud, let’s look at six approaches that define when and how you will move each application to our AWS cloud.
There are six ways that Amazon itself recommends moving an application to the cloud. Depending on which workload or application you are migrating to the cloud, the appropriate process will vary.
By using tools such as the Server Migration Service (SMS) or manual processes, applications can be moved as it is from the on-premises environment to the cloud.
This method is suitable for very large legacy migrations and people even with less cloud technology skills can leverage this method. The best thing is that there is no need to change business processes in the enterprise and the implementation time is much shorter.
It allows applications to be moved almost as it is, but some components are replaced in order to take advantage of AWS services. An example of this method can be to move any legacy application. However, the replacement of the self-hosted database should be done with Amazon Relational Database Service (RDS). This method is advantageous for Conservative migrations, which require stability, and will experiment to maximize cloud benefits.
AWS cloud services are used to replace the application entirely. A company can, for example, stop using the on-premise ERP system and use it on the AWS Marketplace as a service instead.
This method can support projects whose license model is flexible enough to change and move to a new application. You will, thus, be able to take advantage of a much-improved feature set in comparison to legacy infrastructure, as well as improved cloud capabilities.
This is a method for completely re-engineering an application to make it cloud-native. You can use this service to boost performance, scale, or add features that would not otherwise be feasible on-premises. As a result, it helps push the boundaries of cloud applications and provides maximum flexibility and efficiency.
This method is used for obsolete applications. Such applications should be turned off and should not be migrated to the AWS cloud. In this way, resources can be allocated to applications that are actually useful and those applications that have the real potential to leverage the advantages of the cloud.
You may want to retain certain applications if they are not suitable or ready for cloud migration. So, during the early stages of a migration project, you can keep these on-premises, forever.
Amazon Web Services provides you a great bunch of services for cloud computing. If you are considering your migration to AWS, then you are in the right direction. But your migration should always be strategic. Having a strategy helps you leverage the best out of the AWS Migration services. This will enable you to derive a seamless experience from the AWS cloud platform, and your business will eventually make the difference.