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Excellent discussion and capture of the importance of Cloud-computing!   Guest author Joe Masters Emison is VP of research and development at BuildFax writes for readwriteweb: excerpt:  More and more companies are moving from traditional servers to virtual servers in the cloud, and many new service-based deployments are starting in the cloud. However, despite the overwhelming popularity of the cloud here, deployments in the cloud look a lot like deployments on traditional servers. Companies are not changing their systems architecture to take advantage of some of the unique aspects of being in the cloud. The key difference between remotely-hosted, virtualized, on-demand-by-API servers (the definition of the "cloud" for this post) and any other hardware-based deployment (e.g., dedicated, co-located, or not-on-demand-by-API virtualized servers) is that servers are software on the cloud. Software applications traditionally differ from server environments in several key ways: ..... Traditional servers require humans and hours-if not days-to launch; Software launches automatically and on demand in seconds or minutes ...... Traditional servers are physically limited-companies have a finite number available to them; Software, as a virtual/information resource, has no such physical limitation ..... Traditional servers are designed to serve many functions (often because of the above-mentioned physical limitations); Software is generally designed to serve a single function ...... Traditional servers are not designed to be discarded; Software is built around the idea that it runs ephemerally and can be terminated at any moment On the cloud, these differences can disappear.