VirtualBox
Oracle VM VirtualBox (formerly Sun VirtualBox, Sun xVM VirtualBox and Innotek VirtualBox) is a free and open-source hosted hypervisor for x86 virtualization, developed by Oracle Corporation. Created by Innotek, it was acquired by Sun Microsystems in 2008, which was in turn acquired by…
What is Hadoop?
Hadoop is an open source project that seeks to develop software for reliable, scalable, distributed computing—the sort of distributed computing that would be required to enable big data. Hadoop is…
Hardware Support for Virtualization
Modern operating systems and processors permit multiple processes to run simultaneously. If there is no protection mechanism in a processor, all instructions from different processes will access the hardware directly…
e-Governance
Several dimensions and factors influence the definition of e-governance or electronic governance. The word ―electronic‖ in the term e-governance implies technology driven governance. E-governance is the application of information and…
Pervasive computing
Ubiquitous computing (pervasive) is a concept in software engineering and computer science where computing is made to appear everywhere and anywhere. In contrast to desktop computing, ubiquitous computing can occur…
What is cloud storage?
Cloud storage allows you to save data and files in an off-site location that you access either through the public internet or a dedicated private network connection. Data that you…
Platform as a service (PaaS)
Platform as a service (PaaS) is a cloud computing offering that provides users with a cloud environment in which they can develop, manage and deliver applications. In addition to storage and other…
Infrastructure as a Service (IaaS)
Infrastructure as a service (IaaS) is a form of cloud computing that provides virtualized computing resources over the internet. IaaS is one of the three main categories of cloud computing services, alongside software…
Private Cloud and Virtualization
The terms private cloud and virtualization are often used as synonyms. Many companies take the approach that, if they have virtualized their computing resources, they have implemented a private cloud. The value of virtualization: Virtualization…
What is Private Cloud?
A private cloud is a software-defined data center that combines essential hardware and other computing resources into a unified virtualized unit A private cloud’s layer of hardware and networking abstraction – again, provided by software –…


