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)

Learning the challenges of legacy systems

A legacy application puts significant challenges in front of an organization. On the one hand, there are critical applications that an organization has been using for decades, and, on the other hand, there are legacy applications holding back the organization's pace of innovation.

Now, in a huge competitive environment, the end users are looking for the most modern, technologically advanced applications. All new features usually come with the latest software, and legacy applications limit your ability to add those features and provide benefits to end users. The following diagram shows some significant challenges that organizations are facing with legacy systems:

Challenges with a legacy system

As illustrated, the following points are the significant challenges that you will face with legacy systems:

  • Difficulty in keeping up with user demand
  • Higher cost of maintenance and update
  • Shortage of skills and documentation
  • Vulnerable to corporate...