To provide such IT infrastructure, a huge amount of money has to spend. In a word, it is a server room consists of database servers, mail server, firewalls, routers, switches, QPS (Query per second) & Load handler, and other networking devices along with server engineers. The small and extensive IT companies follow the old traditions of managing IT infrastructure, i.e., server room, to keep all the details and maintain that server. Terms such as operating system, applications, programs, and their meanings must be known before starting this. Prerequisites to Cloudīefore learning about Cloud technology, readers must know about Networking, computers, database, etc. Connection to the cloud can be made whenever we want.Lessen the usage of proprietary operating systems in our daily computing.Cloud will provide new social services by connecting through social networks.The new application becomes more comfortable to develop & create based on a standard modular part.The application became cheaper, easier to find, and use.In other words, cloud computing refers to applications and services that run on a distributed network using virtualized resources and uses the standard internet protocols for accessing. Instead, the cloud facilitates 'pay-per-use,' i.e., the organizations' users have to pay only that limited amount to use the cloud infrastructure. This technology doesn't require large-scale capital expenditure to access cloud vendors. The cloud technology includes - a development platform, hard disk, computing power, software application, and database. Cloud computing makes IT infrastructure along with its services available "on-need" basis. When users draw the term 'Internet' as a "cloud", they represent the essential characteristics of cloud computing.Ĭloud computing is the latest generation technology with an extensive IT infrastructure that provides us a means by which we can use and utilize the applications as utilities via the Internet. In reality, cloud computing is something that we have been using for a long time it is the internet facility, along with the associated standards that provide a set of web-services to users. Though for some people, "Cloud Computing" is a big deal, it is not. Cloud computing is the next stage to evolve the Internet. Software as a Service (SaaS) – Web services – Web 2.0 – Web OS – Case studies – Anything as a service (XaaS) – Microservices.Cloud Computing has become the buzzing topic of today's technology, driving mainly by marketing and services offered by prominent corporate organizations like Google, IBM & Amazon. Platform as a Service (PaaS) – Cloud platform & Management: Computation, Storage – Case studies. Service Models: Infrastructure as a Service (IaaS) – Resource Virtualization: Server, Storage, Network – Case studies. Virtualization concepts – Types of Virtualization- Introduction to Various Hypervisors – High Availability (HA)/Disaster Recovery (DR) using Virtualization, Moving VMs. Cloud resources: Network and API – Virtual and Physical computational resources – Data-storage. Virtualization: Introduction to Cloud Computing- Cloud issues and challenges – Properties – Characteristics – Service models, Deployment models. Technologies for Network-based systems- System models for Distributed and cloud computing- Software environments for distributed systems and clouds. Introduction: History of Centralized and Distributed Computing – Overview of Distributed Computing, Cluster computing, Grid computing.
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