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Many telecommunications providers, which are already expert at monetizing, provisioning, managing, and scaling infrastructure-based services for existing customers, are starting with offerings based on Infrastructure as a Service (IaaS), a cloud utility architecture where the consumer uses a pay-as-you-go infrastructure from a provider. Many enterprises, on the other hand, have no or limited experience in defining or delivering these kind of services.
Given these market and IT challenges, cloud providers are asking some difficult, although highly relevant, questions about the value of cloud computing and IaaS: