The Concept Of Cloud Computing

Cloud computing is a one of the most talked of topics in the field of Information Technology in recent times (Keyun, Joe, Taha, & Ibrahim, 2013). This subject area of cloud computing basically is a term used to describe computer resources available as a service accessible over a network (Darren & Kim-Kwang, 2013). The National Institute of Standards and Technology (NIST) define cloud computing as a model for enabling ubiquitous, convenient, on-demand network access on a shared pool of configurable computing resources (e.g. networks, servers, storage, applications and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction (Peter & Timothy, 2011). Due to the attractive nature of the model there has been rise in the use of cloud computing. Gartner, an IT research and consulting firm, says that cloud computing is growing will become the bulk of IT spend by 2016 (Gartner, 2013).

The Cloud Computing refers to “Computing over the Internet”.It came from Grid,utility and web services.It is a combination of network,servers,storage ,operating system and virtualization technologies to form a shared infrastructure that enables web-based value added services.End users access cloud-based applications through a web browser or a light-weight desktop or mobile application.The business software and user 's data are stored on servers at a remote location. The cloud model comprises five

Cloud computing mainly involves computing inside a network where all the applications or programs can run on many connected PC’s at the same time. All these computers are connected together and are refereed as a server which is then connected through a communication network such as internet, intranet, LAN and WAN.

Fog computing can also be called as edge computing, is a distributed computing infrastructure in nature, for smart devices like mobile phones the application services should be maintained near the end user side but the services are handled at remote data server i.e. in cloud. The goal is to reduce the amount of storage required, the time required in data processing and data analysis and the propagation time in cloud computing. Mainly it is done for efficiency purpose but security and compliance can also be achieved by fogging. Fog computation takes place at network edge and the data of smart devices is

Cloud as the term signifies means the computers in a network to be used for data storage remotely and for maintenance. The cloud computing offers reductions in costs and also has increased scalability, reliability and flexibility in its own processes, and is considered as todays one of the most exciting technologies and has seen a rapid growth over the past ten years. The Cloud computing uses advanced level of computational

Shifts the “Flow of Data”: Existing Cloud Computing paradigm promotes a more innards data flow and processing model that’s mostly unidirectional. Fog changes the way data flows in and out of the cloud and what role each layer focuses on. Fog provides the data element analysis at the Edge while the cloud will play a more post-data-cleansing role. Fig XX best describes this below.

Fog computing is simillar to cloud. Fog provides data, storage, compute and applications to the end user. Rather than presenting and working from centralized cloud, fog operates on network edge. Because of this, it requires less time to

Cloud Computing Stack is the model for enabling the resources and storage space for the configurable resources, such as network, applications, and different devices. It provides user authentication to sign up and access the services at user’s location without going anywhere. In simple term, at this stage cloud

The future of computing is a collection of data generated by computer enabled objects or things and we rely on the information gathered to make our lives easier with the data acquired. Thus Internet of things came into existence where the objects or Things try to understand their surroundings and retain the data. These objects or things are connected to servers over the Internet. Cloud computing on the other hand, helps in making, developing, testing, deploying, running and maintaining applications over the internet. Cloud computing coupled with Internet of Things can give more efficient results using lesser resources and making the most of the resources used. (Aazam, Khan et al. 2014, Botta, De Donato et al. 2014)

requirements, and pay only for the services they use. However, despite all cloud benefits there

Cloud computing is more advantageous to this sector. It’s one of the easiest and fastest service in order to advertise and spread fame. It helps in spreading the name of services and get fame in the market with in a very short period. The software as well as hardware related issues occurred in this field are solved to a great extent by the cloud computing. It improves the platform and provides the security to the data stored in the cloud.

Cloud computing is the convergence of Virtualization and Utility computing. In early days of computing, both data and software were fully contained on the same user machine. Cloud computing eliminates the need for

Several years after the emergence of cloud computing, most of people still confuse with its concept because different research institutes defined the term differently. With the development of cloud computing, its concept evolves gradually in years. According to the Wikipedia, the most recent definition of cloud computing is “the delivery of services of the computing a service rather than a product, whereby shared resources, software, and information are provided to computers and other devices as a utility over a network (typically the Internet).” Cloud computing, in one word, was termed as the many different types of virtualized applications and services that are moved into the “cloud” – a metaphor for the internet. Cloud computing providers maintain and control physical servers, and data is processed in the “cloud” provider’s environment which also delivers hosted services. For the user, the entire computing infrastructures virtually reside “in the cloud.” In many cases, devices that used to access these services and

The model of cloud computing has increased in modern years and has become a very important feature in day-to-day computing. Cloud computing simply means virtually extracting resources from service provider through internet. It means that the user has minimum hardware configuration and still by using remote services the user can compute extreme tasks which require maximum amount of computing. Cloud services provide user variety of perks such as data storage, computing power(memory), and networking.

The main trends within cloud computing are hybrid clouds, BYOD (Bring your own device), PaaS (Platform as a service), big data analytics, graphics as a server, identity management and protection and web powered apps. Hybrid clouds are an infrastructure that combines high levels of private security and cost-effectiveness with public cloud attributes. Customers can get better personalisation of their