Collecting application portfolio data, such as extracts from a configuration management database, is a vital initial step in developing a 7R Cloud Migration Strategy. The above data must be compared to the seven most frequently used migration techniques (7 Rs) for transferring apps to the AWS Cloud. Refactoring, re-platforming, repurchasing, rehosting, relocating, retaining, and retiring are some of these methods.
Today, we’ll learn about The 7Rs Migration Pattern.
Before jumping on to the 7Rs, let’s first understand-
What is a Migration Strategy?
Migration Strategy refers to the process of migrating the entire application or on-premise workload to the cloud environment and its computing infrastructure. Someone who is looking for migrating the applications to the AWS Cloud would require one of the options from the 7R strategy to do so.
7 Rs Cloud Migration Strategy
The 7R migration strategy includes:
- Rehost
- Relocate
- Refactor
- Repurchase
- Replatform
- Retain
- Retire
- Rehost: Rehost ( Lift & Shift) is a strategy of Rehosting applications to AWS without making any changes to the on-premise application. One can use the AWS server migration service and AWS migration hub, containerize the application and then migrate it to AWS.
- Relocate: Relocate (hypervisor-level lift & shift) is a strategy to move infrastructure to the cloud without purchasing new hardware, rewriting applications, or modifying your existing operations.
- Refactor: This is a strategy used for a need to add new features or in order to increase the scalability of the application or in order to boost your business continuity and productivity, most expensive strategy is usually executed after the initial migration via one of the approaches like Rehosting.
- Repurchase: This is the fastest way possible to access the cloud-based SaaS, it takes your company’s existing data & applications and performs them clearly in a cloud-based product in order to manage operations such as HR, CRM, or CMS
- Replatform: Replatform (Lift, Tinker & Shift) when organizations have outdated structures to move into IaaS cloud platforms. Instead of changing the core of the applications, they are emulated through a VM so that systems become compatible with modern-day cloud technologies without restructuring the systems
- Retain: This is a strategy to keep some elements in your on-premise which are not ready to migrate, focusing on Migrating what makes sense for the business.
- Retire: This is to identify the assets that are no longer useful and can be removed which helps in boosting your business case and giving attention towards maintaining the needful resources which can be widely used.
Frequently Asked Questions:
What is repurchasing in cloud migration?
Repurchasing, also known as replacing, is a strategy where a SaaS solution that has the same or similar features completely replaces the old application. The needs and possibilities for migrating (life) data have a significant impact on the transfer effort.
What is Replatforming in Migration?
Replatforming is a method for migrating outdated systems to the cloud without having to rewrite their fundamental architecture. The platform strategy is also known as the Lift, Tinker, and Shift application migration strategy, Move and Improve, and Lift and Reshape.
What is the difference between Rehost and Replatform?
Lift and shift: transferring applications to the cloud in their current state. Rehosting is another name for this practice. Applications should be refactored to better accommodate the cloud environment. Replatforming is the process of migrating apps to the cloud with little changes while still utilizing its advantages.
What is the application migration strategy?
Moving software programs from one computing environment to another is referred to as application migration. This can involve moving applications from one data center to another, from a public to a private cloud, or from an organization's internal server to the environment of a cloud provider.
What is lift and shift cloud Migration?
One method of several for moving your apps to the cloud is lift and shift. It entails transferring an application and the data it uses to a cloud platform without rewriting the application itself. Moving an application from your on-premises data center to the cloud is not a one-size-fits-all process.
What is R lane analysis?
The 6 R's (Re-host, Re-Platform, Replace, Retain, Retire, and Refactor) of the new R-Lane framework describe how to handle applications as they move to the cloud.
Related Links/References
- AWS Certified Solutions Architect Associate SAA-C03 Exam details
- AWS Free Tier: Create an Account
- AWS Free Tier Limits
- AWS Free Tier Account Details
- How to Migrate
- AWS Application Migration Service
- Database Migrations
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Forge says
This article provides a comprehensive guide to navigating the complexities of cloud migration seamlessly. The 7R Cloud Migration Strategy outlined here offers a clear roadmap for businesses looking to transition their applications to the cloud effectively. The step-by-step approach, coupled with practical insights and best practices, makes it an invaluable resource for organizations embarking on this transformative journey. Thanks for sharing such valuable information!