Reliability tactics

Now-a-days lots of research work are going on in the architecture of software. They all are focusing on the previous research work and proposing new innovation on these fields. But no one thinks about to present reliability tactic which is major part of today's development use by an architect Reliability tactic influences all the fields of research, not only software engineering but also hardware & mechanical/electronics area. In this paper we highlight the analytical study of reliability tactic. We meet architects & find that they are using many reliability related tactics to decide the structure.