Cloud, what is this?

Infrastructure

Cloud Computing is the act of deporting all or a part of one's Information Technology on remote servers.

We distinguish three big models in Cloud Computing : the IAAS, the PAAS and the SAAS.

Cloud-1

 

The three big models of Cloud Computing

 

IAAS (Infrastructure as a service) is the first model :

  • the company maintains : the applications, the runtimes, the SOA integration, the databases, the server network.
  • le Cloud supplier maintains : the virtualisation, the server hardware, storage, the networks.

PAAS (Platform as a service) is the second model :

  • the company only maintains the applications,
  • the Cloud supplier maintains : the runtimes, the SOA integration, the databases, the server network, the virtualisation, the server hardware, storage, the networks.

SAAS (Software as a service) is the third model ; it consists of using a supplier's applications with a simple web browser. The Cloud supplier maintains : the applications, the runtimes, the SOA integration, the databases, the server network, the virtualisation, the server hardware, storage and the networks.

 

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