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

An introduction to application modernization (AppMod)

Before we start discussing what AppMod is and the right strategies to modernize your applications, often termed legacy systems, let us understand what legacy systems are and how to identify whether you are running them.

Legacy systems

A legacy system is an outdated system, technology, or software application that is used by an organization, which relies on its capabilities and services. Legacy systems can be the backbone applications that are holding your enterprise back from using new digital technologies – such as the cloud, Internet of things (IoT), or mobile. And this can be a deterrent to giving your customers and enterprises a modern experience.

Typically, as technology advances, these legacy systems do not have support or maintenance and are limited in terms of growth. While a legacy application may be an integral part of the company and may continue to be used, it comes with a whole host of challenges as...