Distributed systems are everywhere nowadays, from the chat applications we use to communicate with our friends to the online stores we use for our shopping. However, distributed systems are by nature complicated. In order to design and build a distributed system that will work properly, one has to understand a lot of different concepts and nuances and the literature of distributed systems can be quite big and chaotic at times.

This book makes an effort to collate the basic principles, algorithms and protocols in the field of distributed systems. It introduces the basic problems that are inherent in distributed systems, the main approaches to tackle them and any associated complications one needs to keep in mind. You will have the chance to get an overview of the seminal papers in the field, while also understanding how the associated algorithms and protocols can be used in real life. As implied by the title, the goal of this book is to maintain a practical perspective, by explaining algorithms in the simplest terms possible and demonstrating how implementations of them can be used in real systems.

Who is this book for

This book is aimed at software engineers that have some experience in building software systems and have no or some experience in distributed systems. It assumes no knowledge around concepts and algorithms for distributed systems. This book attempts to gradually introduce the terms and explain the basic algorithms in the simplest way possible, providing many diagrams and examples. As a result, this book can also be useful to people that don't develop software, but want to get an introduction to the field of distributed systems.

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