Lock In or Not
The term "lock in" has been there for many reasons. Recently was in a discussion with some customers and this term came about again. Let's first define "lock in". In the context of IT, "lock in" prevent customers from moving away from an adopted technology, or you call in trapped. Using example of mainframe. Once an application runs mainframe, there is no alternative replacement. The only way to move out is to look for a replacement doing a complete refactor and hoping that data can still be utilised. That also explains, in the early days when mainframe was introduced till date, most are still on it. Also of course not mentioning the reliability and downtime that mainframe provide. At that point in time, there were only less than a handful of mainframe system e.g. IBM, Compaq Tandem, etc. and the technology offered were far beyond any others. At today's context, technology choices of a similar domain are massive. Even though mainframe might be an l...