You're reading from AWS for Solutions Architects The definitive guide to AWS Solutions Architecture for migrating to, building, scaling, and succeeding in the cloud

Product type Paperback

Published in Apr 2023

Publisher Packt

ISBN-13 9781803238951

Length 692 pages

Edition 2nd Edition

Tools

AWS

Concepts

Cloud Computing

Authors (4):

Neelanjali Srivastav

Saurabh Shrivastava

Alberto Artasanchez

Imtiaz Sayed

View More author details

Table of Contents (19) Chapters

AWS for Solutions Architects, Second Edition: Design your cloud infrastructure by implementing DevOps, containers, and Amazon Web Services

1 Understanding AWS Principles and Key Characteristics FREE CHAPTER

2 Understanding AWS Well-Architected Framework and Getting Certified

3 Leveraging the Cloud for Digital Transformation

4 Networking in AWS

5 Storage in AWS – Choosing the Right Tool for the Job

6 Harnessing the Power of Cloud Computing

7 Selecting the Right Database Service

8 Best Practices for Application Security, Identity, and Compliance

9 Dive efficiency with Cloud Operation Automation and DevOps in AWS

10 Bigdata and streaming data processing in AWS

11 Datawarehouse, Data Query and Visualization in AWS

12 Machine Learning, IoT, and Blockchain in AWS

13 Containers in AWS

14 Microservice and Event-Driven Architectures

15 Domain-Driven Design

16 Data Lake Patterns – Integrating Your Data across the Enterprise

17 Availability, Reliability, and Scalability Patterns

18 AWS Hands-On Lab and Use Case

Cloud migration patterns - The 7 R’s

There is more than one way to handle migration. The followings are the 7 R’s cloud patterns defined by AWS:

Rehost
Re-platform
Refactor
Relocate
Repurchase
Retain
Retire

Creating a detailed strategy that identifies your workloads’ best patterns is essential to accelerating your cloud journey and achieving your desired business objectives. Let’s learn a full breakdown of the 7 R’s and what each migration pattern brings to the table.

Rehost in the cloud

This method is also commonly known as lift and shift. By rehosting your application in the cloud, you perform the least work to move your workloads to the cloud. Applications are being rehosted as they are in a different environment. Services are simply migrated. Let's say, for example, that you are hosting a simple three-tier application on your on-premises environment that is using the following: