What is cloud computing?
The word “Cloud” is used as a metaphor (suggest a similarity) for the “Internet”. Cloud computing are defined as internet based computing, which connect to the devices and application on the internet. It provides infrastructure like server hardware, storage, network, and application as a service to the client with greater scalability and as per requirement. Normally Cloud computing resources, design and integrated in virtual environment due to this it has been very cost effective for the customers. The customer can have services (resources or infra) as per their application requirement and not need to buy high end server which remain under utilized. Cloud computing is the new evolution and has started a new phase in overall information technology. Some of the giant organizations like Amazon; Google already adopted and have their IT services in a cloud environment.
Why Cloud Computing?
- The cloud computing solution is suitable and beneficial for Small scale and medium scale business organization.
- It saves cost and efforts of managing local IT infrastructure and help desk.
- It gave you the flexibility to choose the hardware and infrastructure as per your application requirement. At the same time it has scalable and upgradeable in future.
- Your services are manageable from the internet, means anywhere and anytime.
- The organization gets freedom to concentrate on core business instead of planning and managing IT.
- Relieve of responsibility, Cloud service provider responsible for the assets and maintenance.
Types of cloud computing
Public Cloud: It open and available for all publicly. Anyone can opt for the public cloud services. Microsoft and Google have own such cloud infrastructure services and offer infrastructure access over the internet to the client. Public cloud is sharing the common infrastructure or pool of resources to all customers according to their needs. Due to shared resources it has very low in cost because the cost is divided across all customers.
Private Cloud: It has dedicated to the particular organization and not shared with external consumers. A private cloud is hosted within an organization with own infrastructure or hosted externally which opt from the service provider and managed internally or by third party service providers.
Hybrid: It’s a mixture of both Public and Private Cloud. It requires both within organization infra resources and off-site infrastructure of the service provider. You have to agree the terms of managing resources either partial or full from a third party service provider or internal IT support.
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