When business conversations turn to uptime guarantees or disaster‐proof infrastructure, the term “Tier” always surfaces.

One of the improvements made in Exchange 2010 is the redundancy built-in to the routing of messages through the Exchange environment. Microsoft built-in a technology they call “Shadow Redundancy” ...

The Uptime Institute’s Tier standard is a globally recognized framework that classifies data centers into four tiers based on their infrastructure’s reliability, redundancy, and fault tolerance. These ...