Cloud computing utilizes virtualization, data and application on-demand deployment, online delivery of services and open source software to yield considerable business benefits. With virtualization, cloud computing enables a dynamic data center where servers are utilizied based on demand. As demand changes, resources ramp up or down dynamically in order to meet the growing or shrinking workload. Applications in the cloud may replace traditional IT services, such as file serving, messaging, CRM, storage and more.
The benefits of deploying applications using cloud computing include driving down run time and response time, minimizing the purchasing and deployment of physical infrastructure. Considerations for energy savings, flexibility, simplified systems administration, consumption-based pricing, and maximizing the footprint of the data center make the case for cloud computing even more powerful.
Pay-by-use cloud computing
For smaller organizations in particular, where tighter budget, floor space issues and less specialized IT staff are common, pay-by-use, or public, cloud computing yields significant business advantages. Layered service providers offering cloud computing solutions can be adjacent to company’s equipment leases. Public clouds are run by third-party service providers and applications from different customers are likely to be mixed together on the cloud’s servers, storage systems and networks.
•Expense-based, reduced capital outlay
•Up to date software licensing
•Automated software and security updates
•Robust, automated DR policies
•Reduced IT asset management issues
•Less hardware to dispose of
•Eliminates depreciable expenses
•Add/reduce capabilities and capacity as required
Private and hybrid cloud computing
Private cloud computing can be provided using an enterprise data center’s own servers. Private clouds are built for the exclusive use of one client, providing the utmost control over data, security and quality of service. These clouds can also be created and run by a company’s own IT staff. The combination of virtual machines and virtual appliances used for server deployment objects is one of the primary features of cloud computing. Also, organizations can merge a storage cloud that provides a virtualized storage platform and is managed through an API, or web-based interfaces for application data deployments and file management. Hybrid clouds combine both public and private cloud models, and may be used to handle planned workload spikes or storage cloud configurations. Dedicated audits for security policies are a must.
•Greater data security and control
•Manage quality of service
•Leverage existing infrastructure and staff
•Allows use of hybrid cloud services to suppliment private cloud capabilities.
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