It is a common understanding that Mainframes cause a lot of problems due to it’s legacy status. And true, many Mainframe systems need modernization and some get it. The vast majority of the Mainframe systems, though, are backend server systems that are hidden from the end users behind various user interfaces and adding APIs are often enough to add some years of useful life to the systems.

A lot of end user systems, on the other hand, were build around Windows and especially Internet Explorer specifics a decade or two back. These are the real troublesome legacy programs. They require that organizations keep otherwise outdated windows based client systems alive and they block for the BYOD/BYOT thinking.

It is well known that the Internet Explorer browser is old and does not support modern browser technologies very well if at all – that’s probably also why Microsoft have renamed the browser…