IaaS (Infrastructure as a Service): A Comprehensive Overview

IaaS (Infrastructure as a
Service)

INTRODUCTION
• IaaS is the service that offers the complete infrastructure
allocation on cloud and make it available for the purpose of
utilization.
• Various resources are provided as the Service and it also
allows elasticity and scaling dynamically.
• The cost of this service vary according to the need that
means pricing model is set according to usage (Li, Qui, Ming,
and Quan, 2012).
• It has the architecture of multi-tenet that allows multiple
users to use the same hardware.

IAAS Resources
• Web Hosting
• Firewalls
• Application Support
• Data maintenance and storage
• Power backup system and data backup
• Support applications and operating systems
• Recovery from disaster
• Load archiving and balancing
• Helpdesk
• Virtualization
• Elasticity (Somasundaram and Govindarajan, 2011).

Architecture of IaaS Cloud
Platform