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Infrastructure as a Service shortly called as IAAS has been quite successful in meeting the needs of the IT Industry effectively. IAAS belongs to the family of Cloud Architecture. The IAAS provider would host the servers and networks with tremendous performance capabilities. The vendors owning the servers would grant access to the customers based on their requirement. The robust performance and cost effectiveness has enhanced the demand for Infrastructure As A Service
Cloud Architecture - Most effective
If an individual wants to have an email account with certain storage capacity, should he own a server, memory capacity and monitor it round the clock. No, because there are some email hosting companies that would give you an email account. They might charge a fee or a free account with advertisements. This is how your purpose is served with the cloud systems.
In the same way, if the IT companies and freelancers wishes to develop applications using dynamic platforms, they can rely on IAAS. Because, the IAAS offers them enough infrastructure that is capable of creating dynamic applications. The IT companies, mostly small and medium can't own a system on their own. At the same time, they can't lose projects for that reason. In these cases, the IAAS is a best mode for them.
Features of IAAS
Infrastructure on demand
The company need own the machinery by your own. You need not even get it under the lease. You can leave it when you don't have the need and get it back when there comes a need. So, the costs during off season would rapidly come down.
Greater Network Access
Being the servers and machinery built with sophisticated and high end quality, the customer would be granted with the access to a greater network capabilities. This would improve the performance of the employees too.
All the data and tools are gathered at a server. So, the customer can enjoy the service at any point of time and from any place in the world. This would simplify the work as all resources are made available instantly to the customers.
Pay only for what you use
The IAAS would charge the users only to the extent he has utilized the service. If the IAAS was used by a large company and a freelance, the costs would not be equally spread over them. Instead it would be charged to the extent of their consumption. This would give rise to the cost efficiency for the consumers.
Methods of Deployment
There are basically four methods of using this service. They are
1. Through the Public cloud
2. Through Private cloud
3. Through Community cloud
4. Through the customized or hybrid cloud
The companies choose the one that best suit them based on their affordability and convenience.