Cloud Computing Cloud Computing is a general term used to describe a new class of network based computing that takes place over the Internet, basically a step on from Utility Computing a collection/group of integrated and networked hardware, software and Internet infrastructure (called a platform). These platforms hide the complexity and details of the underlying infrastructure from users and applications by providing very simple graphical interface or API (Applications Programming Interface). In addition, the platform provides on demand services, that are always on, anywhere, anytime and any place.
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History of Cloud Computing During the 1960s, the initial concepts of time-sharing became popularized via RJE (Remote Job Entry); this terminology was mostly associated with large vendors such as IBM and DEC. Full-time-sharing solutions were available by the early 1970s In the 1990s, telecommunications companies, who previously offered primarily dedicated point-topoint data circuits, began offering virtual private network (VPN) services with comparable quality of service, but at a lower cost. By switching traffic as they saw fit to balance server use, they could use overall network bandwidth more effectively ,They began to use the cloud symbol to denote the demarcation point between what the provider was responsible for and what users were responsible for. Cloud computing extended this boundary to cover all servers as well as the network infrastructure. As computers became more diffused, scientists and technologists explored ways to make largescale computing power available to more users through time-sharing. They experimented with algorithms to optimize the infrastructure, platform, and applications to prioritize CPUs and increase efficiency for end users
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Common Cloud Service Models 1.Software as a Service (SaaS): The capability provided to the consumer is to use the provider’s applications running on a cloud infrastructure. 2. Platform as a Service (PaaS): The capability provided to the consumer is to deploy onto the cloud infrastructure consumer-created 3. Infrastructure as a Service (IaaS): The capability provided to the consumer is to provision processing, storage, networks, and other fundamental computing resources
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Characteristics of Cloud Computing 1. It must be an on-demand self service in which a customer can self-provision compute, storage, etc., without human interaction. 2. It must contain broad network access with reachability and platform options (including thin and thick clients, phones, tablets). 3. It must be a multi-tenant environment fostering location-independence. 4. It must support rapid elasticity with the ability to grow and shrink based on policy, with no impact to applications or users. 5. It must be a measured service, metered by performance with a pay-as-you-go pricing model.
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Benefits of Cloud Computing
No Need To Rip-and-replace Reduce Your Costs Automation Provides Agility Applications Are Portable Enable Mobility Focus On Core Competencies
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Cloud Computing Purpose Cloud computing enables companies and applications, which are system infrastructure dependent, to be infrastructure-less. By using the Cloud infrastructure on “pay as used and on demand”, all of us can save in capital and operational investment. Clients can: Put their data on the platform instead of on their own desktop PCs and/or on their own servers. They can put their applications on the cloud and use the servers within the cloud to do processing and data manipulations etc. Classboat.com Mobile No. +91-7767904499 | E-mail :- support@classboat.com | www.classboat.com
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