Oracle Cloud Computing
What is Cloud computing?
Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This definition from the National Institute of Standards1 has gained broad support from the industry (Oracle).
Characteristics of Cloud computing
· On-demand self service –Users are able to provision, monitor and manage computing resources as needed without the help of human administrators
· Broad network access – Computing services are delivered over standard networks and heterogeneous devices
· Rapid elasticity – IT resources are able to scale out and in quickly and on an as needed basis
· Resource pooling – IT resources are shared across multiple applications and tenants in a non-dedicated manner
· Measured service – IT resource utilization is tracked for each application and tenant, typically for public cloud billing or private cloud chargeback
· Private Clouds – For exclusive use by a single organization and typically controlled, managed and hosted in private data centers. The hosting and operation of private clouds may also be outsourced to a third party service provider, but a private cloud remains for the exclusive use of one organization.
· Public Clouds – For use by multiple organizations (tenants) on a shared basis and hosted and managed by a third party service provider.
· Community Clouds – For use by a group of related organizations that wish to make use of a common cloud computing environment. For example, a community might consist of the different branches of the military, all the universities in a given region, or all the suppliers to a large manufacturer.
· Hybrid Clouds – When a single organization adopts both private and public clouds for a single application in order to take advantage of the benefits of both. For example, in a cloudbursting scenario, an organization might run the steady-state workload of an application on a private cloud, but when a spike in workload occurs, such as at the end of the financial quarter or during the holiday season, they can burst out to use computing capacity from a public cloud, then return those resources to the public pool when they are no longer needed.
The latest surveys show that the top two benefits of cloud computing are price and speed. Users are able to self-serve their way through a pool of computing resources that allow them to be up and running in minutes instead of weeks or even months. And because cloud is pay-per-use, the cost and efficiency of cloud computing is very compelling as well.
To sum it up, cloud computing is characterized by new capabilities such as self-service, auto-scaling and chargeback, but is also based on many established technologies such as grid computing, virtualization, SOA shared services and large-scale, systems management automation. Cloud computing offers undeniable benefits in terms of speed and cost and most organizations will likely adopt a mix of public and private clouds. Some applications will be appropriate for public clouds, while others will say in private clouds, and some will not use either. We offer you best of both worlds at MSS Inc. Whether you are ready to take a leap into the “Cloud computing” world or would like to know more about project management:
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