By: Dale Vile, David and others Printer Friendly Format
1. You could use your own infrastructure to create one or more resource pools.
2. Customers, suppliers or trading partners might provide you access to their own clouds.
3. Service providers offer highly specialized clouds to deliver very focused applications or other services.
4. Large hosting organizations create generic clouds that pool resources on a massive3 scale in order to host their customers' applications.
In all cases, the 'what; of the service delivered is separate from the 'how' of implementation. So providers of cloud-delivered services, whether private or public, have the flexibility to change how the service is powered behind the scenes. This can help in terms of cost reduction, access to the latest technology, ability to deal with changing requirements quickly and a range of other benefits.
Cloud computing isn't a revolutionary concept that requires a lot of upheaval to take on board. Rather, it's a natural evolution of business computing that you can introduce selectively to complement traditional in-house IT systems. Think in terms of blending your existing systems with external services; an approach variously referred to as extende3d infrastructure, a hybrid model or software plus services.
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