Cloud Computing Service Models | IaaS PaaS SaaS Explained | Updegree

Cloud Computing Service Models | IaaS PaaS SaaS Explained | Updegree

In the market, we currently have three models of cloud services: IaaS, PaaS, and SaaS. IaaS (Infrastructure as a Service), PaaS (Platform as a Service), SaaS (Software as a Service).

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Cloud computing allows us to have an infrastructure with : • A low initial investment, since a large investment is not needed to have all the equipment • Low-performance terminal that can have access to a whole powerful and secure infrastructure. • Greater security because the provider is responsible for having the entire storage system in top condition and gives us the option of having RAIDs and other systems to ensure the accessibility of information, as well as high availability. Due to the large infrastructures available to suppliers, we ensure that we have almost 100% availability. This would not be possible (or to make this possible, much more would have to be invested for greater redundancy) locally.

In the market, we currently have three models of cloud services: IaaS, PaaS, and SaaS.

IaaS (Infrastructure as a Service): outsourcing of physical infrastructure The IaaS offers the customer an external infrastructure. The provider is responsible for the installation and maintenance of file servers, networks and data storage. This means saving both cost and time for the client, who does not need to buy equipment or spend a single minute to install the resources, just rent them to the supplier. In this type of service, the customer, only having a “physical” infrastructure in the cloud, is responsible for their applications, their data, and the operating system.

PaaS (Platform as a Service): outsourcing of material infrastructure, applications, and data The PaaS includes IaaS services, but also adds the servers, storage, and networks, the provider also provides all middleware applications, that is, the operating system, the database, the webserver ... In other words, the client rents the exploitation of servers and integrated tools.

SaaS (Software as a Service): The SaaS is the service better known. It includes the previous two and also the provider is responsible for the installation, configuration, operation, and maintenance of the interface. Normally a monthly or annual fee is paid. Being able to make use of the services offered by the provider. Microsoft in this aspect is different from Azure, it charges only for what is used (for the execution time of a virtual machine, for the storage time, etc.). If it has no use, there is no invoice.

Conclusion Depending on the needs of a company, the most appropriate cloud computing model must be chosen to host information services. Usually, an IaaS infrastructure allows local services to be mov ... https://www.youtube.com/watch?v=LcW5w8CP2Xo