16 Three Layers of IaaS

 Dear students,

In this blog, we cover deeper into three layers are Infrastructure as a Service namely

1. Web based Management Software
2. Infrastructure Management Software
3. Physical Infrastructure

Web based Management Software

Web based Management software are websites that allow you to configure your infrastructure needs for machines, storage and networks. Example you can create a virtual machine by clicking on Elastic Compute Cloud service on aws.com Management Console screen.You usage, bills are reported via this web management software as well

Infrastructure Management Software

Infrastructure Management Software are applications that help you manage the infrastructure you created. The softwares are in place to monitor the usage of every resource that is used. Example How much processor time was utilized by the customer. The software have to constantly monitor, measure, provide, reserve for future use. One key task of these softwares are to maintain the Quality of Service and Service Level Agreement. The SLA could be that the physical infrastructure will be available 99% of the time. Infrastructure management software as a result takes care of duplicating servers, networks, backing up storage to meet such requirements. All data that is measured is eventually summed by the web management software for customers to review their activity and billing.

Physical Infrastructure

Physical infrastructure are the data centers, physical machines, storage, network , clusters, grids that are actually provided to meet your real infrastructure. This layer has a user interface management layer too. Hypervisors are one such software that actually create, control and manage virtual machines. Hardware virtualization like full virtualization, para virtualization, hardware assisted virtualization, partial virtualization are all part of this layer. This layer is also referred to as IaaS(M) and some companies focus only on this layer alone. 

 For more details refer to presentation and video on 2 CLOUD COMPUTING SERVICE - INFRASTRUCTURE AS A SERVICE - PART 8 - SEM 3 - MSC 2 


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