Enterprise Solution Architecture - Strategy Guide A Roadmap to Transform, Migrate, and Redefine Your Enterprise Infrastructure… (Nitesh Garg, Atul Sharma) (z-library.sk, 1lib.sk, z-lib.sk)

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Enterprise Solution Architecture - Strategy Guide A Roadmap to Transform, Migrate, and Redefine Your Enterprise Infrastructure along with Processes, Tools, and Execution Plans Author Nitesh Garg Co-Author Atul Sharma www.bpbonline.com

FIRST EDITION 2021 Copyright © BPB Publications, India ISBN: 978-93-90684-571 All Rights Reserved. No part of this publication may be reproduced, distributed or transmitted in any form or by any means or stored in a database or retrieval system, without the prior written permission of the publisher with the exception to the program listings which may be entered, stored and executed in a computer system, but they can not be reproduced by the means of publication, photocopy, recording, or by any electronic and mechanical means. LIMITS OF LIABILITY AND DISCLAIMER OF WARRANTY The information contained in this book is true to correct and the best of author’s and publisher’s knowledge. The author has made every effort to ensure the accuracy of these publications, but publisher cannot be held responsible for any loss or damage arising from any information in this book. All trademarks referred to in the book are acknowledged as properties of their respective owners but BPB Publications cannot guarantee the accuracy of this information.

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Dedicated to Sheer Will To Learn Desire to Succeed Never Ending Dream to be there Sense of Accomplishment And Responsibility to Share with others… In Sanskrit, Mother of all…they say it like this…. वंदौ बाल प सोई रामू। सब िसिध सुलभ जपत नामू॥ “Vando bal roop soi ramu, Sab sidhi sulabh japat johi namu”

About the Authors Author: Hey all! This is Nitesh I have done B.E. in Computers and possess close to 19 years of professional experience, primarily into Solution Architecture and as an Enterprise Solution Architect. I have planned, designed and built Datacenters or Cloud Platforms or Application Interfaces across the world. I have an expertise in IT Consulting, Transitions, Optimization, Transformation, Migrations and Build Projects and Pre-Sales (RFPs/Due Diligence/POCs). I have been in a customer-facing role and have been leading the Solution Defense all over. I have also acted as a Guest Lecturer to educate college and technology-bound students about the current market trends and ways to start their career. I am a joint owner of a YouTube channel wherein we publish latest technology videos on request. Here is the link: https://www.youtube.com/channel/UCT-_8sxXz7SBHhB8ZKnqnHw? view_as=subscriber I am also associated with Professional Learning Platforms/NGOs to share my knowledge with the target audience through video journals and webinars. Here is a link to catch a glimpse of some of my Videos:

https://www.antwak.com/author/2350-nitesh-garg Co-Author: Hello all! This is Atul I have done B.Tech. in Mechanical stream and possess close to 17 years of professional experience, primarily into Solution Architecture and as an Enterprise Solution Architect in Cloud and DevOps domains. I have been working very closely with industry leading cloud provider(s) to plan, design and build DCs and platforms for Business Applications. I have an expertise in Cloud Designs and Management, DevOps Functions and Scripts, IT Optimization, Transformation and Migration Projects. I have been in a customer-facing role right from the beginning of my career. I have also acted as a Guest Lecturer to educate college and technology-bound students about the current market trends and ways to start their career. I am a joint owner of a YouTube channel wherein we publish latest technology videos on request. Here is the link: https://www.youtube.com/channel/UCT-_8sxXz7SBHhB8ZKnqnHw? view_as=subscriber

About the Reviewers Cheriyan Mathew has over 22 years of rich industry experience in designing cutting-edge data center solutions that helps increase the revenue, productivity and optimizes the cost. He is passionate about the continuously evolving cloud technologies and has helped many large enterprises and National Government projects to adopt and be successful with private, public and hybrid cloud services. With certifications from various data center technology OEMs, he has handled increasingly responsible roles around Operations, Delivery and Solution Architecture in the IT industry and has acquired exposure to various industry verticals. Currently, he is leading a team of solution architects for a large and well-known cloud software OEM. Shiva Thakur is a Solution Architect with over 13 plus years of progressive work experience in the field of Enterprise Architecture, IT Operations, Cloud Adoption, Vendor Management and Automation. He is currently handling the role of a Consultant for an IT MNC. He has a proven track record of managing and delivering multiple infrastructure transformation projects. He is a core member of various technical forums, communities and mentoring programs. He is a strong believer in serving and giving back to the community, thus always helping and empowering people to grow and realize their full potential.

Acknowledgement We would like to thank a few people before we start. We are grateful to all those seniors who taught us something when we joined as freshers. We would like to thank all those colleagues who told us what to do and how to behave. Special thanks to all the mentors who thought we can learn something and all the Supervisors who believed in us. Thanks to all those Webinars/Training Courses that instilled something in us! We are immensely obliged to those Management Visionaries who could see some potential in us. We express our gratitude to all those extra-ordinary guys who paved the path for a new career. Thanks to that one guy who gave us that One Chance… Without you all, we wouldn’t have reached where this book was conceptualized to be. We thankfully acknowledge the services and editors from BPB. Thanks to the entire team of BPB for their invaluable support.

Preface This book covers all aspects to plan, design, build, or migrate using Solution Architecture as the base in the IT Industry. This book covers and unveils the very elite and exquisite quotient of IT Industry, The Solution Architecture. It presents and introduces the importance of Solution Architecture. It emphasizes the very basic concepts of Solution Architecture, logics behind, challenges and real time strategies that come very handy while dealing with any piece of IT Industry. This book projects the inputs that are required to be a Solution Architect. It provides the basic understanding towards Enterprise Solution Architecture. In addition to, it also depicts detailed and phase wise execution of two of the most critical IT projects i.e., IT Transformation and IT Migration. Elaborated description is aided by pictorial process flow charts, Visio based schematics/designs and lastly MPP based detailed project plan which also includes the technical steps. This book provides a clear learning path for anyone who aspires to be a Solution Architect and understands its value. The chapters of this book will refresh every thread of your mind. It takes a practical approach towards Solution Architecture. An effort has been made and a few real-time industry examples have

been embedded with in this book. It covers important aspects like Cloud Concepts, DevOps, and Critical Tools as well. However, it will specially put an importance on how to become an Architect and how to handle projects like Transformation or Migration as an Architect. This book will guide you towards creating strategy and handling your clients. It will also list down all kinds of techniques, technologies and platforms to show how to migrate from where to where and how to exactly plan, design and build a datacenter or a cloud platform. This book is divided into 12 chapters. They cover each and every concept of Solution Architecture as listed below: Chapter 1 begins with an Introduction to Solution Architecture and tells us why it is called an elite and astonishing quotient of the IT Industry. It highlights the process of Solution Architecture, such as, to design an underlying platform Infrastructure or Application itself. This chapter also highlights a complete reference model of the Architecture world and the basic differences between all of them, while stressing on the real focus, which is to provide the overall solution. Chapter 2 covers all the Logics such as: Architecture Principles

Architecture Purpose Architecture Types Architecture Levers Architecture Hats Architecture Processes Chapter 3 ushers onto the IT Transformation Project in terms of Solutioning. This chapter focuses on the strategy, vision, purpose and challenges associated with an IT Transformation project. Chapter 4 depicts and lists out the phases that are associated with an IT Transformation project. It lists down all the benefits along with the different types of lifecycles which a project can go through. It also provides a detailed demo of a complete lifecycle with integrated process flow charts of such a mammoth project. Chapter 5 focuses on the real world execution of an IT Transformation project wherein all the associated tasks and activities are listed down. This chapter also mentions all the associated tools being used in the executions. Chapter 6 is a specifically crafted version for our readers which highlights topics such as Engagement Roadmap, Solution Considerations, Benefits and Add-On Offerings.

Chapter 7 introduces IT Migrations as a whole and elaborates about the Migrations Purpose, Migration Principles and Migrations Strategy. It also provides a comprehensive view about what exactly Migrations are and gives a snapshot of the core concepts. Chapter 8 provides a thorough know-how of various types of Migrations that are prevalent in today’s IT world. There are scenarios including Datacenter, Cloud, or a DevOps environment. In addition to, this chapter also straightens the Migration Methodology and moves on to Application Stacks and Application Move Groups. Chapter 9 concentrates on a complete Migrations Project and lists down all the critical Migration Components. It further illustrates all the lifecycle phases that are associated with an IT Migrations project. All the phases have been elaborated separately in order to make it easier to understand. Chapter 10 explicitly explains about Migration Topology, Migration Milestones that are associated with each and every phase of a Migrations project. It also lists down the challenges while dealing with the migration of Legacy OS Hardware. Lastly, it lists down all the documents that are to be created during a Migrations Project. Chapter 11 talks about all the Deliverables that are associated with each lifecycle phase and milestones. It also highlights specific details about Migrations Testing and rollbacks.

Chapter 12 summarizes all the previous chapters.

Downloading the coloured images: Please follow the link to download the Coloured Images of the book: https://rebrand.ly/528203 Errata We take immense pride in our work at BPB Publications and follow best practices to ensure the accuracy of our content to provide with an indulging reading experience to our subscribers. Our readers are our mirrors, and we use their inputs to reflect and improve upon human errors, if any, that may have occurred during the publishing processes involved. To let us maintain the quality and help us reach out to any readers who might be having difficulties due to any unforeseen errors, please write to us at : errata@bpbonline.com Your support, suggestions and feedbacks are highly appreciated by the BPB Publications’ Family.

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Table of Contents 1. Solution Architecture – The Astonishing Quotient Introduction Structure Objective Overview The astonishing quotient Different pieces of IT Segregation in terms of roles and entity Segregation in terms of technology The journey and evolution What is the worth Conclusion Glossary 2. Solution Architecture – The Logics Introduction Structure Solution architecture Solution architecture types Solution architecture principles Solution architect role Solution architecture levers Introduction of major processes IT transformations Purpose of IT transformation How IT transformation provides benefits? Phase 1 transformation

Phase 2 transformation Phase 3 transformation Phase 4 transformation IT migrations Principles of IT migrations What is an IT migration plan? Essential components of migration plan Kinds of migration Migration tools Popular migration tools Migrations process flowchart and lifecycle – a glimpse Conclusion 3. The Transformations Project – Lets Usher Introduction Structure Objectives Generic world Information technology world How IT changes A brief look back Strategy and vision Purpose Challenges Key steps Conclusion Points to remember 4. The Transformations Project – Lifecycle and Process Flow Chart Introduction

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