Book Image

Optimizing Your Modernization Journey with AWS

By : Mridula Grandhi
Book Image

Optimizing Your Modernization Journey with AWS

By: Mridula Grandhi

Overview of this book

AWS cloud technologies help businesses scale and innovate, however, adopting modern architecture and applications can be a real challenge. This book is a comprehensive guide that ensures your switch to AWS services is smooth and hitch-free. It will enable you to make optimal decisions to bring out the best ROI from AWS cloud adoption. Beginning with nuances of cloud transformation on AWS, you’ll be able to plan and implement the migration steps. The book will facilitate your system modernization journey by getting you acquainted with various technical domains, namely, applications, databases, big data, analytics, networking, and security. Once you’ve learned about the different operations, budgeting, and management best practices such as the 6 Rs of migration approaches and the AWS Well-Architected Framework, you’ll be able to achieve operational excellence in cloud adoption. You’ll also learn how to deploy some of the important AWS tools and services with real-life case studies and use cases. By the end of this book, you’ll be able to successfully implement cloud migration and modernization on AWS and make decisions that best suit your organization.
Table of Contents (20 chapters)
Part 1: Migrating to the Cloud
Part 2: Cloud Modernization – Application, Data, Analytics, and IT
Part 3: Security and Networking Transformation
Part 4: Cloud Economics, Compliance, and Governance

Diving into the 6 Rs of cloud migration

When you start looking at migrating your existing applications to the cloud, there are six broad categories of migration. In this section, we will dive deep into all of these options and explain how to decide which migration strategy to choose for your applications. The following diagram refers to the six ways on AWS cloud.

Figure 4.1 – 6 Rs of cloud migration

Figure 4.1 – 6 Rs of cloud migration

Rehost (lift-and-shift)

This cloud migration approach, also known as lift-and-shift, is the strategy that most companies gravitate toward given its relatively low effort. With this approach, the application and its dependent resources are simply moved to a cloud platform as-is.

This means that your core framework of infrastructure components, your application’s dependencies, and the end-user experience remain the same. You will be able to meet scaling needs better as you begin to leverage the scalability and elasticity aspects of the cloud...