What is Cloud Computing? Explained by an expert in simple language - Computer awareness

What is Cloud Computing? Explained by an expert in simple language – Computer awareness



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32 thoughts on “What is Cloud Computing? Explained by an expert in simple language – Computer awareness

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  2. Hahaha…without telling about cloud, he started speaking about SaaS, paas …lol…and it calls it explained in simplicity

  3. I think the explanation is more of a next to layman level and mostly for those who already has basic Cloud knowledge.
    For those who didn't understand from the video, to start with, one can think of Cloud computing as something like, working in a open space without physical barriers/boundaries. Like in the sky, on the clouds. That's the flexibility it offers in s/w and IT industry. Unlike earlier if Railways needs a s/w application, say IRCTC online booking system. The Railways dept will ask as s/w company to create the service for them. Traditionally, for that, you need hardware (servers, memory, databases, GPUs etc) on which the s/w application will be deployed. So when the application is ready, the s/w company will deliver IRCTC online booking s/w along with it the physical hardware (servers etc, which is usually called Infrastructure) in the Railways dept. Now that hardware need to be maintained by the Railway dept, with an AC room, wear and tear, electric fluctuations, rat bite, server crash, data loss.. etc. Also the hardware is isolated from the external world apart from the s/w being interacted over internet.
    But with this cloud computing, one need not have the mentioned hardware at their office, locally, to get a s/w service. Instead the s/w will be made available over the internet, like a pool, or u can imagine cloud floating in the sky. There are big s/w companies (Amazon, Google, Oracle ) who have big big infrastructure ready over the internet and they cut and allocate hardware from the internet pool as and when you need it. There will be giant DB, server, memory and when a s/w company wants some hardware, they go to Amazon/Google/Oracle and mention the requirements of h/w and now they will allocate only a PART of the server/DB/memory as per their requirements, kind of lease them over the internet. So if tomorrow say the IRCTC internet traffic hiked, they don;t need to go to o shop to buy more computers and hardware, all they need is raise the request with Infra provider Amazon/Google/Oracle and they will get allocated more Infra over the internet within minutes. Its not physical, it's virtual allocation, over the internet. Here hardware is also like a s/w. Means you don't get to actually physically see and feel the hardware when you get a s/w service/application.
    You can call it like a communism. Then continue with the video..
    I'm not an expert, but a s/w engg with nearly 9 years exp, working in cloud tech company. So you can trust me..

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