Notes on integrating host applications. (Mainframe IBM 3270, IBM 5270, etc.)
I have a question for anyone who might be able to help. I am building a SmartClient app that uses .NET Remoting to communicate with it’s BLL (Business Logic Layer). The app ultimately speaks to an IBM 3270 Host to execute units of work. The BLL and DAL (Data Access Layer) are for the most part, pass through layers to the real business logic on the mainframe. As the app evolves, functionality in the host might be moved onto other systems. My question is… I have to maintain state or a session ......
How to modernize mainframe 3270 applications? Without throwing away your investments... I have recently been faced with an Integration and Deployment dilemma with one of our customers. The customer is a multi-billion dollar national distribution organization, with facilities around the country. They are currently running our Control I Order Management System on IBM 3270 mainframe. They were initially interested in implementing our Control II version of the software that leverages a relational database ......