Working with Legacy Systems

Book Description

The latest edition to our range of products is Packt Select - the new range of books with a broad spectrum of information on unique topics. We have identified your requirements, searched for the best books available, and we now offer these to you. With these books, you'll enjoy a smooth learning experience with the usual Packt "must-haves" of real-world examples and best practices.

New technologies are continuously being introduced in the I.T. industry. While learning those is important, maintaining legacy systems is equally necessary to ensure that the I.T infrastructure of your organization functions to its best abilities. Sound knowledge of techniques that can be used for maintaining legacy systems, can help you avoid many pitfalls.

You'll begin the book with a quick understanding of what a legacy system looks like, how it works, and what are some common issues in it. Then, you'll explore the architecture of a legacy system in detail and learn each of its components. You'll learn and use various techniques to analyze a legacy system. After learning about the security constraints associated with legacy systems, you'll explore ways to overcome these constraints and secure the systems. Towards the end of the book, you'll learn how easily make changes in the legacy systems to enhance their performance.

By the end of this book, you'll have skills and confidence to work with legacy systems and efficiently maintain them.

What you will learn