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Cloud Computing
Cloud computing is the on-demand availability of computer system resources, especially data storage(cloud storage) & computing power without direct active management by the user. In simple words, we can say that Cloud Computing is storing data over the network database servers.
There are three main service models of cloud computing
1. Infrastructure as a Service (IaaS)-- Infrastructure-as-a-Service, commonly referred to as simply “IaaS,” is a form of cloud computing that delivers fundamental computer, network, and storage resources to consumers on-demand, over the internet.
2. Platform as a Service (PaaS)-- Platform as a service (PaaS) is a cloud computing model where a third-party provider delivers hardware and software tools to users over the internet.
3. Software as a Service (SaaS)--Software as a service (or SaaS) is a way of delivering applications over the Internet—as a service.
Advantage of Cloud Computing-
- 1. Security of data
- 2. Back-Up of data
- 3. Virus & Malware Protection
- 4. Hackers & Intruder Protection
- 5. Data portability
Disadvantage of Cloud Computing-
- 1. Network Connection require
- 2. Hardware Require
- 3. Loss of Control
- 4. Technical Issues
Cloud Computing based Companies-
- # Oracle
- # Redhat
- # Google Drive
- # Drop Box
- # Micro Safe
- # Tcs
- # Into sys
- # IBM Cloud
- # AWS(Amazon Web services)
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