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Transcript of Cloud Computing
all about? refers to applications and services offered over the Internet
general term for anything that involves delivering hosted services over the Internet
encompasses any subscription-based or pay-per-use service that, in real time over the Internet, extends IT's existing capabilities
a way to increase capacity or add capabilities on the fly without investing in new infrastructure, training new personnel, or licensing new software Internet as the cloud goes back to the early days of network design
some networks were hooked to other networks, or the internet
network engineers need to illustrate this connection as part of their design; however, they did not know all the details of these networks which were outside their domain of knowledge
they needed a way to indicate that there was a network, but also to indicate that they weren't trying to describe it; thus, they landed on the cloud as a symbol of this unknown domain. THEN NOW the cloud has come to represent an unknown network in general
with the rise of the internet as a factor in digital communication and connectivity, it has been the leading example of the cloud for the last many years
if any network was a cloud, the internet most certainly is Cloud Computing = Internet Computing The Architecture of Cloud Computing Front End NETWORK (usually the Internet) Computer User/Client
Includes the client's computer (or computer network) and the application required to access the cloud computing system
Some services like Web-based e-mail programs use Web browsers while other systems have unique applications that provide network access to clients. Back End Various computers, servers and data storage systems that create the "cloud" of computing services
Could include practically any computer program one can imagine, from data processing to video games
Usually, each application will have its own dedicated server Benefits Clients would be able to access their applications and data from anywhere at any time.
It could bring hardware costs down.
Companies don't have to buy a software or set of software licenses for every employee.
Cloud computing gives companies the option of storing data on someone else's hardware, removing the need for physical space on the front end.
Corporations might save money on IT support. The Benefits and Concerns of Cloud Computing Concerns Security and Privacy
Corporate executives might hesitate to take advantage of a cloud computing system because they can't keep their company's information under lock and key.
If a client can log in from any location to access data and applications, it's possible the client's privacy could be compromised.
Does the user or company subscribing to the cloud computing service own the data? Does the cloud computing system, which provides the actual storage space, own it? Is it possible for a cloud computing company to deny a client access to that client's data? The Three Distinct Characteristics of Cloud