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Service Models in Cloud computing and their uses

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Service Models in Cloud computing and their uses

Cloud computing’s usage has sky rocketed within the last few years and the number of benefits outweigh other traditional data storage models. In cloud computing, there are 3 service models. A service model is defined as a type of service that is delivered to the customer. The following content highlights the different service models, their comparative pros and cons and when to use them.

  1. IaaS

Dubbed as infrastructure-as-a-service, this is the 1st layer in cloud computing and is typically used by companies requiring extra data space for faster processing. You (the client) is responsible for managing runtime, middleware, data and applications, whereas the service provider manages:

  • Virtualizations

  • Servers

  • Networking and storage

This service model is cost-efficient in a way that it saves you money and time on hiring expensive IT resources and reduces your capital risk.

  1. PaaS

This is the 2nd layer in cloud computing and is dubbed as Platform-as-a-service model in which you only manage data and applications, whereas the rest is managed by your PasS service provider. It is costlier than IasS, yet provides added benefits of managing more services. You only pay for what you use and this type of service model is best used by companies requiring uptime of applications.

  1. SaaS

This is the 3rd and final layer of cloud computing, that is also the most expensive and provides an array of additional benefits than IasS and PasS. You have complete control, freedom and flexibility to use and operate under this environment wherein all applications, data, and other services are managed by the service provider. Since your entire organization would be based on the single software, your users would feel comfortable working on it. If your team takes care of the hardware, let SaaS service provider take care of your software in upgrading them, maintaining them and assuring them bug-free. SaaS can be used on smartphones, laptops and other operating systems.


All service models as mentioned above have their own benefits. While SaaS may be tempting, it is also the costliest. On the other hand, if you have a team managing most aspects of your organization, then IasS or PaaS service models may work best for you. Prices vary for each one of these models. Each service provider such as Amazon and Microsoft have different price plans that vary from client to client. Also, as a registered member of these websites, you can always generate costing reports and run forecast analysis.



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Guest Thursday, 22 March 2018

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