Infrastructure as a Service – Dynamic Scaling of Infrastructure
Infrastructure as a Service in the context of cloud computing is defined as a model in which an organization outsources the equipment used to support operations, including storage, hardware, servers and networking components. It is a complete IT infrastructure consumed as a service. Rather than purchasing hardware, software, datacenter space etc., clients buy these resources as a fully outsourced service on demand. Users can create their own compute infrastructure as needed from the consolidated pool of resources. IaaS is the hardware and software that powers it all – servers, storage, networks and operating systems.
Organizations slowly begin to grasp cloud technology; they are also gaining better clarity into the concepts of private and public clouds and cloud infrastructure services. Infrastructure-as-a-Service market that is set to explode and generally speaking there are various types of cloud which you can opt for
Private Cloud – A single organization owns and controls the infrastructure. It’s a dedicated cloud services for an enterprise
Public Cloud – Provided and managed by a third party.
Hybrid Cloud – is a combination of at least one private cloud and at least one public cloud. It enables organizations to have an optimum blend of dedicated in-house hardware resources and public cloud resources – all working on a single logical network thereby meeting the most stringent performance, security as well as scalability demands of any critical business application.
The cloud Infrastructure-as-a-Service (IaaS) market will hit $4 billion within the next four years, according to recent research by In-Stat.
Using the best-in-class architecture, Infrastructure as a Service allows users to focus on their core business while providing them with an enterprise-level infrastructure for a fixed monthly fee. Herein the enterprise outsources the hardware needed for operations, such as networking, storage, servers and other hardware components. Operation, maintenance and housing of the equipment is the responsibility of the service provider while the user only pays for the services used.
Benefit of Using IaaS
* Dynamic scaling of infrastructure – Based on your computing needs you can configure your resources for unexpected spikes, with IaaS you can respond quickly to scale up or down.
* Pay as you Use Basis or variable cost – You pay only for the resources your actually use unlike the traditional services where you pay a fixed amount even if you don’t use the resources. There is no expenditure involved on hardware, software or infrastructure space.
* Service Level Agreement – IaaS Guarantees 99.95% availability of the service with100% Uptime.
* Resources distributed as a service – Elastic Load Balancing feature auto-distributes an incoming traffic across multiple computers.
* Network Flexibility – New server resources, extra Internet bandwidth or entire servers can be custom-made at a snap.
If you need virtual computers, cloud storage, network infrastructure components such as firewalls and configuration services Infrastructure as a service can be beneficial for your organization.
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