16.2. Architecture
Windows Azure consists of a huge number of connected virtualized servers running Windows 2008 64-bit edition and a hypervisor (at the simplest level, a hypervisor allows multiple instances of an operating system to run on a single machine at the same time) optimized for Windows Azure and based on Hyper-V technology. This collection of servers is referred to as the fabric, in that its usage should appear seamless to the developer.
Currently there are two Azure data centers in North America with plans to open additional centers in Chicago (USA), Dublin (Ireland), and Singapore.
An individual server runs a number of virtual machines, which, in turn, host a number of roles (or instances of an Azure application). Each Azure instance ...
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