Book Image

Solutions Architect's Handbook

By : Saurabh Shrivastava, Neelanjali Srivastav
Book Image

Solutions Architect's Handbook

By: Saurabh Shrivastava, Neelanjali Srivastav

Overview of this book

Becoming a solutions architect gives you the flexibility to work with cutting-edge technologies and define product strategies. This handbook takes you through the essential concepts, design principles and patterns, architectural considerations, and all the latest technology that you need to know to become a successful solutions architect. This book starts with a quick introduction to the fundamentals of solution architecture design principles and attributes that will assist you in understanding how solution architecture benefits software projects across enterprises. You'll learn what a cloud migration and application modernization framework looks like, and will use microservices, event-driven, cache-based, and serverless patterns to design robust architectures. You'll then explore the main pillars of architecture design, including performance, scalability, cost optimization, security, operational excellence, and DevOps. Additionally, you'll also learn advanced concepts relating to big data, machine learning, and the Internet of Things (IoT). Finally, you'll get to grips with the documentation of architecture design and the soft skills that are necessary to become a better solutions architect. By the end of this book, you'll have learned techniques to create an efficient architecture design that meets your business requirements.
Table of Contents (18 chapters)

Publisher/subscriber model

In the pub/sub model, when an event is published, a notification is sent to all subscribers, and each subscriber can take the necessary action as per their requirements of data processing. Let's take an example of a photo studio application, which enriches a photo with different filters and sends a notification to the user. The following architecture depicts a pub/sub model:

Photo studio application pub/sub-event-driven architecture

In the preceding diagram, you will notice the following things:

  1. The user first uploads the picture to an Amazon S3 bucket using a web/mobile application.
  2. The Amazon S3 bucket then sends a notification to Amazon Simple Notification Service (SNS). Amazon SNS is a message topic with the following subscribers:
    1. Here, the first subscriber is using the email service, and as soon as the photo upload is complete, an email is sent to the user.
    2. The second subscriber is using Amazon SQS queue, which gets the message from the Amazon...