November 28, 2018Cloud Computing
Cloud computing is an emerging technology delivering on demand service to users. Significant innovations in virtualization and access to high-speed Internet have accelerated cloud computing Technology. It’s a set of hardware, networks, storage, services and interfaces that enable the delivery of computing as a service. User can gain access via internet to the file or application those that are not stored in their computer but on remote servers. It revolutionizes IT infrastructures and is a subscription-based service. Economical in the sense user can eliminate capital investment in hardware and facilities, pay for only what they use.
Various Delivery Models Include:
Infrastructure-as-a-Service (IaaS) – Provides basic storage, operating systems, computing capabilities as standardize services.
Platform-as-a-Service (PaaS)– A software development environment incorporated and offered to build higher levels of service.
Software-as-a-Service (SaaS) -A single instance of the service runs on the cloud and multiple end users are serviced.
Types of Deployment Models
Private Cloud – Used by business firms and is reserved for specific clientele. This model offers convenience & versatility as well preserves the management and security common to local data centers.
Public Cloud – Public cloud are managed by service providers who delivers the Service over the internet and payment are raised based on use, even though long term commitments are available for many services.
Hybrid Cloud – An unified, automated, scalable environment that takes advantage of all that a public cloud infrastructure can provide, while still maintaining control over mission-critical data.
- Improved Performance
- Lower Hardware and Software maintenance
- Instant Accessibility
- Automatic software updates