LONDON, April 28, 2015 /PRNewswire/ -- Increased enterprise migration from on-premise IT services to hosted cloud services is expected to contribute to double-digit growth rates for the European Infrastructure-as-a-Service (IaaS) market. The market is constantly evolving, with providers updating their service portfolio to align with internal long-term cloud strategies and to gain a competitive edge over other providers. This research service analyses the IaaS market in Europe, focusing on the demand for compute and storage services and forecasting regional growth trends. It also highlights the competitive structure in the market and analyses the strategies adopted by different providers.
This research service's definitions of IaaS and related elements are as follows:
Infrastructure-as-a-Service (IaaS): Hosted, scalable data centre infrastructure resources, available on-demand, without term or usage commitments, and charged through a pay-peruse model. IaaS comprises 'raw' infrastructure, onto which users can build and deploy applications or workloads.
The two most common types of IaaS—Compute-as-a-Service and Storage-as-a-Service—utilise different pricing elements. In this study, the total revenue forecasts for these two segments are presented.
Compute-as-a-Service (Compute): This is a type of IaaS offering in which subscribers pay for compute resources used (usually a combination of CPU cycles and memory), plus data input and output (per gigabyte).
Storage-as-a-Service (Storage): This is a type of IaaS offering in which subscribers pay for storage capacity and data input and output, both charged on a per gigabyte basis.
Public Cloud: These are hosted IaaS services in which server infrastructure is shared among enterprise subscribers. Users access their public cloud applications through the public Internet or virtual private networks.
Private Cloud: These are hosted IaaS services in which each server is dedicated to a single enterprise subscriber. Access is generally through a private network.
Note: Enterprises are also building "private clouds" in their on-premise data centres, using virtualisation and orchestration software on their own infrastructure. These are not included in this study; instead, the focus is on hosted private clouds offered "as a service" by third-party providers.
Hybrid Cloud: The term "hybrid cloud" generally denotes a combination of cloud environments under the management of a single enterprise—e.g., private and public hosted cloud services, or an on-premise private cloud plus a hosted cloud. For enterprises, a hybrid cloud holds the promise of easy mobility of data and/or workloads among environments. Ideally, a hybrid cloud also provides common and centralised management and orchestration tools. In reality, many "hybrid" clouds today comprise two
adjacent environments with little to integrate them—a gap that is being corrected with the rollout of cloud platforms from several cloud leaders. In this study, the hosted portion of hybrid clouds are included in the revenue forecasts. In the market sizing, we have included IaaS services, as defined, comprising both public and hosted private clouds, and both Storage-as-a-Service and Compute-as-a-Service.
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