The Windows Azure Platform is a Microsoft cloud platform used to build, host and scale web applications through Microsoft data centers. wikipedia.org

Microsoft Servers (previously called Windows Server System) is a brand that encompasses a line of Microsoft server products. wikipedia.org

HORIZON Inspection software. Web-based report writing system that includes field data collection with a convenient hand held device.

VMware, Inc. is an American software company that provides cloud and virtualization software and services. wikipedia.org

Veeam Software is a software company and elite-level VMware Technology Alliance Partner that provides software for managing VMware vSphere and Microsoft Hyper-V environments. Their flagship produts is Veeam Backup & Replication, a unified backup and replication solution.

Citrix XenServer helps enterprises Manage and integrate virtual infrastructure. wikipedia.org

Microsoft Hyper-V is a hypervisor-based virtualization system for x86-64 systems. wikipedia.org

Citrix NetScaler helps optimize, secure, and control the delivery of enterprise and cloud services, providing load balancing, data compression and content caching. wikipedia.org

The Xen Cloud Platform (or XCP) is a turnkey open source virtualization solution that provides out-of-the box virtualization and cloud computing. wikipedia.org

Backup or the process of backing up is making copies of data which may be used to restore the original after a data loss event. wikipedia.org

A computer cluster consists of a set of loosely connected computers that work together so that in many respects they can be viewed as a single system. wikipedia.org