Much has been written about legacy modernization in the past few years. Most of the books, analysts' reports, and white papers focus on why you should modernize and theorize at a high level regarding the different approaches and possible outcomes. This book provides a detailed guide to how to implement two well known mainframe modernization approaches--SOA Enablement and Re-architecture. SOA Integration is a non-invasive approach and allows legacy components to be used as part of an SOA infrastructure quickly and without risk and is often the first step in the larger modernization process. Re-architecture focuses on reverse engineering legacy applications to preserve business knowledge then forward them to modern architectures that take advantage of open and extensible standards. In this book you will learn how to quickly and easily expose a mainframe VSAM data store in an Oracle-based Java EE application. You will also learn how to leverage your mainframe application code to create a new Oracle/Java EE SOA-based application. The book is agnostic in terms of hardware and operating system as most of these have proven to be able to handle the reliability, scalability, and performance of a mainframe system. After reading this book, you will feel much more comfortable that mainframe modernization is possible and can made less risky by following the recommendations and approaches used in the book.
Much has been written about legacy modernization in the past few years. Most of the books, analysts' reports, and white papers focus on why you should modernize and theorize at a high level regarding the different approaches and possible outcomes. This book provides a detailed guide to how to implement two well known mainframe modernization approaches--SOA Enablement and Re-architecture. SOA Integration is a non-invasive approach and allows legacy components to be used as part of an SOA infrastructure quickly and without risk and is often the first step in the larger modernization process. Re-architecture focuses on reverse engineering legacy applications to preserve business knowledge then forward them to modern architectures that take advantage of open and extensible standards. In this book you will learn how to quickly and easily expose a mainframe VSAM data store in an Oracle-based Java EE application. You will also learn how to leverage your mainframe application code to create a new Oracle/Java EE SOA-based application. The book is agnostic in terms of hardware and operating system as most of these have proven to be able to handle the reliability, scalability, and performance of a mainframe system. After reading this book, you will feel much more comfortable that mainframe modernization is possible and can made less risky by following the recommendations and approaches used in the book.
Jason Williamson has over 17 years of experience in technology and business execution, from software development, product marketing, and management, to entrepreneurial enterprises. During his tenure with Oracle, he has been responsible for helping to develop and implement Oracle's strategy around legacy and business systems transformation. As an expert in modernization, Jason has worked with key Oracle customers around the world particularly in Financial Services, the Public Sector, and Healthcare to build and implement strategic transformation projects, which have lead to significant increase in revenue or cost reduction for Oracle's clients. Jason's responsibilities have also included helping to execute the modernization program within EMEA and Latin America. He now serves as a special advisor to Oracle's premier customers in the financial services industry. Prior to joining Oracle, Jason has a diverse background in both technology and business leadership. He also served as founder and CTO for the construction industry's first SaaS/CRM offering. He led BuildLinks from concept to a multi-million dollar company and forged key financial and business partnerships with Sprint/Nextel and Intuit. This venture opened the door for him to establish a non-profit dedication to entrepreneurial and technology education in developing nations, which enabled the establishment of multiple self-sustaining companies in Latin America. Outside of his entrepreneurial efforts, he has served in key positions within fortune 500 professional service and financial services firms. Jason's background includes experience in Financial Services, Construction, Public Sector, Defense, and Healthcare. He also served his country in the United States Marine Corps. Jason spends his free time with his wife Susan and four children. He serves as a coach for youth sports and is involved in advocacy, fundraising, and speaking for Spina Bifida awareness. Tom Laszewski has over 20 years of experience in databases, middleware, software development, management, and building strong technical partnerships. He is currently the Cloud Migration Director in Oracle's Server Technology organization. He established the initial business and technical relationships with Oracle's migration SIS and tools partners. His main responsibility is successful completion of migration projects initiated through the Oracle partner ecosystem and Oracle Sales. These migration projects involve mainframe service enablement and integration, mainframe re-host and re-architecture, and Sybase, DB2, SQL Server, Informix database migrations, and migrations to the Oracle Cloud product offerings. Tom works on a daily basis with TCS, Infosys, and niche migration systems integrators, customer technical architectures, CTOs and CIOs, and Oracle account managers to ensure the success of migration projects. Most recently, Tom is spending a significant amount of his time enabling Cloud computing service providers on the Oracle software and hardware stack. This involves architecting future-proof cloud infrastructure solutions utilizing Oracle Exadata, Oracle Exalogic, Oracle Virtual Server, Sun Blade Servers, Oracle Database, Oracle Fusion Middleware, and Oracle Enterprise Linux. Before Oracle, Tom held technical and project management positions at Sybase and EDS. He has provided strategic and technical advice to several start-up companies in the Database, Blade, XML, and storage areas. Tom holds a Master of Science in Computer Information Systems from Boston University.
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