Definition of Cloud
A cloud is basically a network of remote
servers that is hosted on the internet.
- Cloud in Cloud Computing: Cloud is often used in the context of cloud computing. Cloud Computing: It is location independent technology concept in which a large number of computer systems are connected together using a real time communication network and thus allow those computers to share hardware and software resources. It provides a workload shift to the local computers for they don’t need to process the data. They are just used for accessing data. This allows faster and efficient data processing.
- Cloud in Telecommunications: In telecommunication, cloud refers to a public or smei public space that exists on transmission lines.Data that is transmitted through WAN enters the network through one end point using some standard protocol and then enters the network cloud where it shares the space with many other data transmission that happen in the same network
Cloud Characteristics
There are three main characteristic
in a cloud service:
- Cloud service is sold on demand.
- Cloud Service is elastic i.e. a user can have as much or as little service through cloud according to his own will and need.
- Cloud service is fully managed by the service provider.
Types of Cloud
- Public Cloud: It is the one that sells services to anyone on the internet. For example: Amazon Web Services is one of the largest public cloud providers.
- Private Cloud: The services are available to a limited number of people.
- Virtual Private Cloud: when a service provider uses the resources of a public cloud to create a private cloud, the resulting cloud service is referred to as virtual private cloud.
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