What is Cloud Computing?
Cloud Computing are basically services that offer us the opportunity to work with them wherever we are located, with any device. It's pay for use, online, it has all the necessary technological resources (hardware and software) you don't have to be an expert to access or manage it, it has the capacity to grow as needed and can be divested at any time, and finally it can be shared by all users.
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What are the different services Cloud Computing?
1. Infrastructure as a Service: IaaS
Servers, storage systems, connections, routers, and other systems concentrate (for example through virtualization technology) to handle specific types of workloads from batch processing (“batch”) to server/storage increase during peak loads.
2. The platform as a service: PaaS
Having platforms with tested and standardized tools, assembled to easily build applications with less cost and less inconvenience. It's the fastest way to move from concept to implementation. It's about getting more innovation with less infrastructure.
3. Software as a Service: SaaS
It's a software distribution model where the information and communications technology company (ICT) provides the maintenance service, daily operation, and software support for the client. Usually, the software can be viewed on any computer, even if it's located inside the company or not. The information, processing, inputs and the results of the software's business logic are hosted in the IT company.
What types of clouds are there?
1. Public Cloud
Public clouds are handled by third parties, and the information of many different clients may be mixed on the servers, storage systems and other infrastructure in the cloud. End users do not know what other clients content and applications may be running on the same server, network, disks as their own.
2. Private Cloud
Private clouds are a good choice for companies that need high data protection and editing at service level. Private clouds are in a on demand infrastructure managed by a single client who controls which applications to run and where. They own the server, network, disk and can decide which users are allowed to use the infrastructure.
3. Hybrid Cloud
Hybrid clouds combine public and private clouds models. The company owns some parts and shares others, but in a controlled manner.