In the most basic terms, the Cloud refers to the Internet. And with someone else’s computers doing all the hard work, the specification of users’ computers becomes much less important. server can cope with; it can automatically expand or contract its Of the dominant forces, Google is a major cloud player as is YouTube for video sharing. (reported in Computer Weekly), which showed that global energy use from data centers grew from 12 gigawatts (GW) in 2007 to 24GW in 2011 and predicted it would reach 43GW some time in 2013. Best of all, you don't need You can build up a personal collection of tracks you like and access them from any device, anytime, anywhere. you're a developer or an end user, everything looks the same, We build our way up to understanding the cloud idea by idea. to cope with changes in demand—for example, in the run up to a Black Friday sale. So the numbers keep on creeping up and it's an Most of us use cloud computing all day long without realizing it. Photos: Elastic and scalable: Liquid Web's Storm on Demand allows you to set up a cloud server in a matter of minutes. Like the internet, the cloud isn’t owned or managed by any one organisation - it’s a collective term for a variety of applications operated by many different ones. Some servers use computing power to run applications or "deliver a service." power onboard. It has to be clear who takes care of which aspects of cloud security, otherwise it c… computing and, not surprisingly, it's linked to the Internet's 1: The cloud is everywhere Just like its meteorological namesake, the cloud is everywhere - or at least anywhere where there’s a computer and an internet connection. Depending on your broadband package, you’ll get 10GB, 200GB, or 1,000GB for free. If Running an application like Microsoft Office, for example, needs a powerful PC with lots of hard disk space - something not everyone can afford. [Read more: 7 brilliant extras BT customers can enjoy]. Cloud computing is flexible. Photos: Cloud computing: forward to the future... or back to the past? (servers, cooling systems, and all the rest) and less energy if 10 people share an carbon emission savings of 88 percent. BT has it's own cloud service - BT Cloud. Back in 2008, over a decade ago, the Pew (But see the. way but service a single company and are either managed exclusively When those files are also stored on the cloud, downloading them to a new computer is simple. by three months.) Exactly April 5, 2020 Danny Computer, Technology 1. big, centralized, mainframe systems have been "out"; that it can achieve subscription basis. Copying or otherwise using registered works without permission, removing this or other copyright notices, and/or infringing related rights could make you liable to severe civil or criminal penalties. the aspirations of many big cloud providers. The cloud-based office suite Google Docs, on the other hand, provides much the same features, even on very low-spec PCs. Clearly there are advantages in terms of convenience, but From the smartphone in your pocket to the mythical however, wherever, and with whatever device you use it. Where is the music stored? buy in as much (or little) computing resource as you need at any Stare high to the sky and you can watch clouds In theory, cloud computing should be a big win for the environment; in practice, you're using may be anywhere up in the "cloud." to someone else? connected devices as everyday objects and things with built-in Published 15 May 2019, 09:33 BST, Updated 5 Nov 2020, 05:27 GMT. nebulous "cloud" that the Internet represents. Hybrid cloud storage is – as its name implies – a combination of cloud and on-premises storage options. where it's stored? Instant convenience comes at a price. Bearing in mind that there was Instead, the video ‘streams’ from the cloud to your computer straight away, so you can enjoy it more or less immediately. Web-based services such as Hotmail came along and carried email off Business owners only need to subscribe to the service and transfer payment. important not to be too loose with our definitions. where you configure your own home network to work like a mini-cloud We’re taking #eXpRealty growth, revenue share, stocks and more! Press CTRL + D to bookmark this page for later or tell your friends about it with: Woodford, Chris. seamlessly), and peer-to-peer cloud computing, in which the of each—so they opt for hybrid clouds that combine the best One hosting provider in the UK told me that his company has New BT Plus. computing means you buy services, so one-off, upfront capital Cloud or Cloud computing is a term dominating the media. Not that you need to be aware of any of this - you just sign into the application using any web browser and it’s available instantly. looks at current trends, such as the shift to mobile devices, and explores challenging issues like privacy and security. be moved in bulk from one country to another or shared by companies files you create. proprietary systems, where businesses are locked into unsuitable, long-term you buy a smartphone, you don't simply do things on your phone that Web-based software. other ways (Hotmail is subsidized by advertising, for example). Little prior knowledge is assumed. by that company or by one of the big cloud providers on their behalf. In much the In the United States in particular, quite a few cloud (and web hosting) providers explicitly state whether their servers are powered by conventional or green energy, and it's relatively easy to find carbon-neutral service providers if that's an important factor for your business and its CSR (corporate social responsibility) objectives. inefficient local system. managed on your behalf. (To see why it may not be, take a look at Jonathan Zittrain's eloquent book In 2013, management consultants McKinsey and Simply log on to With all the talk about ‘the cloud’ these days, you’d be forgiven for thinking that technology has somehow harnessed the weather to deliver all manner of clever applications, from catching up on missed TV programmes to keeping your important files safe. 3 min read 0. In 2016, Amazon you need, you can stop reading now. there are huge restrictions on how you can live and what you can alter. drift by or, if you're more scientific and nuanced, start to tease If you're using software as a service (for example, writing a report using an online word processor or sending emails In that sense, cloud computing is helping to increase global energy use and greenhouse gas emissions —so describing it as environmentally friendly is highly misleading. Web-based email and free services like the ones Google provides are the most familiar examples Do you care where it's stored? services and apps as the number of Internet users and Net-connected Last updated: October 18, 2020. Or can you used to do on your PC: you spend more time online overall, using If you're buying in services, you can buy only what people are providing, so you may be restricted can simply and securely share documents across business locations Cloud computing made mobile devices feasible, so people bought them History has a funny way of repeating itself, or so they say. The photos (2009/2020) Cloud computing. must be how companies like Google, Facebook, and Twitter will fridge that orders your milk, the number and range of devices Greater dependency on service providers. The cloud is a network of servers, and each server has a different function. a messenger. web page is coming to you courtesy of cloud hosting where, a decade No-one but Soundcloud needs to know—or care. Explain xkcd is a wiki dedicated to explaining the webcomic xkcd. they "like," which means it can compile detailed profiles of all another way of describing IT (information technology) "outsourcing"; In 2009, Gartner priced the value of cloud Photo: Cloud computing: the hardware, software, and applications you? web-based advertising dwindles in effectiveness, one future concern the same cloud and access it the same way. even though—from the viewpoint of the webmaster and the person webmasters to optimize their sites so they worked equally well on In the 1970s, the Apple ][ became the world's first, bestselling small business computer thanks to a killer-application called VisiCalc, the first widely available computer spreadsheet. out the differences between cumulus, cirrus, and stratus. It's easy to use even if you have little or no experience of setting up or managing dedicated servers. Why not learn more about cloud-based customer relationship management for small and medium-sized businesses in our new e-book CRM for Small Business - A Recipe for Success and get started today. Cloud web hosting Explanation . Here are some ways of describing the approach. a web-based service such as Google Documents and you can For example, email or webmail services are in … Lower upfront costs and reduced infrastructure costs. IT people talk about three different kinds of cloud computing, where different Cloud computing is the delivery of on-demand computing services -- from applications to storage and processing power -- typically over the internet and on a pay-as-you-go basis. " So, how DO you explain the cloud? SaaS is in clearly in play today, HaaS is being experimented with, but PaaS may be the most interesting facet of the cloud in the long term. Amazon, Mosso, etc.). related idea is that cloud services are seamless—whether Simply put, cloud computing is the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the Internet (“the cloud”) to offer faster innovation, flexible resources, and economies of scale. a geeky IT department because—beyond commodity computers running actually more secure than conventional ones. It's running on the same others use it to mean any computing service provided over the clients" or "network computers" because they rely on the You can add extra services (or take them away) at a moment's notice as your business needs change. Security has always been an obvious concern for If a computer is stolen, for example, everything stored on it is stolen too. How does it work? arrangements with big, inflexible companies. and graphics on the page (and some of the other technical stuff that a backup system into instant chaos. provided for you as a service by another company and accessed computing is the huge shift away from desktop computers to mobile But the cloud still has a lot of room to grow: Companies … computer sitting in California, Dublin, Tokyo, or Beijing; Musicians and DJs upload their music, which "followers" can listen to (or preview) for free through real-time streaming. With a price tag of a few hundred pounds, for example, a boxed copy Adobe Photoshop was far too expensive most people. books or repairing shoes, why get involved in the nitty gritty of Photoshop CC (short for Creative Cloud), however, can be downloaded for nothing and used for a monthly fee, making it ideal for occasional home users. connected users and more (especially more mobile) devices. simply that they're free. where the hardware and software is located and how it all works This example illustrates three key points of cloud-based services (and other websites that use those services). its users. Photo: Mobile cloud: The shift to mobile devices and the growth of cloud computing are mutually reinforcing trends. that more people (and more businesses) are using the way it couldn't back then: if everyone in the United States buying and maintaining a complex computer system? mobile-first index. developing the software and keeping it up-to-date and they earn back Using a Web-based public cloud system provided by someone like Amazon or Google. the sky. services you want, when you want them, cutting the upfront capital costs of Do you know continents. of these bald alternatives quite fits the bill—they need elements Businesses have shrewder and more interesting 195 likes. amateur websites, and Amazon and eBay were just new ways of finding Due to open-ended access, security is not great. computing to someone else. Cloud-based services are ideal for businesses with growing or fluctuating bandwidth demands. cloud computing, the Pew Internet project had rounded up every own. For example, if One of the biggest single drivers of cloud All rights reserved. services are being provided for you. According In other words, one reason for buying a mobile is because of the extra (cloud-based) things you can do with it. As long as it all does what you want, you don't need too? stored and processed through a server in some remote part of the world, easily Share on Facebook Share on Twitter. costs become ongoing operating costs instead. Cloud computing is a buzzword that means different things to different people. by Siddharth. examples—so let's do just that. different things in different parts of the world. of the change—although, after public pressure, it later extended the deadline only show in town. advertising continue to sustain an ever-growing field of cloud-based But these services are also thriving because they have ever-increasing numbers of users, many of them on smartphones. the world's largest provider of public cloud computing in early 2006. So you typically buy cloud computing the same way When we say cloud computing is growing, do we simply mean James Urquhart defines the cloud to include: SaaS, PaaS (e.g. Note that there's a certain amount of vagueness Jump to: navigation, search |< < Prev ; Comic #908 (June 6, 2011) Next > >| The Cloud: Title text: There's planned downtime every night when we turn on the Roomba and it runs over the cord. Pushing email off into Chart: Growth in energy use in data centers from 2007 onward. Now we're all used to the idea that emails can be Here’s all you need to know about the technology that has transformed computing. estimated 8 billion mobile subscriptions (more than one for every dynamic, scalable power of a cloud computing system is provided not Sometimes cloud computing is free or paid-for in In 2010, in its breathless eagerness to talk up The definitive definition of ‘The Cloud’, from the experts for the kids (and adults, too). The price, besides the fees, is a loss of control over the resources and data. cloud" depends on how you define it: if the definition keeps One attractive feature of many paid-for cloud applications is that payment is by monthly subscription, so you can pay for when you need access and stop when you don’t. sector to reach $302.5 billion by 2021. we all understand what we mean by keeping data secure, what do we Cloud services are available on-demand and often bought on a "pay-as-you go" or Cloud providers take responsibility for setting up and maintaining the infrastructure. In the past, documents and applications were locked on one computer — unless you carried them around (and risked losing them) on a floppy disk or USB flash drive. 1. Cloud Computing Deployment Models. trends to watch include the development of personal clouds, But it can easily turn boring and confusing when you have to explain concepts that are unfamiliar to those outside your industry. force.com) and HaaS (e.g. Cloud application providers also use encryption to make it difficult for hackers to get at. the giant global McDonald's empire in 2018. Explain xkcd: It's 'cause you're dumb. If you remember manually installing Microsoft Word on your computer using floppies, this must sound familiar. as a loose synonym for "the Web," then expressing astonishment renting out its spare capacity over the Net Here are eight things you need to know about the cloud. Instead of depending on Microsoft about hard-drive crashes? There are three cloud computing models used for deployment: Public cloud. How easily can you migrate to Cloud computing changes all that. Google and its biggest rival use this approach for purchases from the app store. to it, and then leaving again (as already happens with collaborative rolled out a "mobile-friendly" algorithm in 2015 to encourage 908: The Cloud. Please rate or give feedback on this page and I will make a donation to WaterAid. Mail or Hotmail The cloud has been a boon for people who use technology — and these days, that's almost everybody. our computer systems—and complete responsibility for them as well. Critics charge that cloud-computing is a return to the bad-old days of mainframes and Cloud file storage applications such as BT Cloud, for example, are a simple and effective way to keep your files safe and secure. Cloud computing means that instead of all the computer people who use cloud computing: if your data is remote and traveling Amazon AWS claims cloud computing is so efficient, comapred to using your own equipment, access it in exactly the same way (with http and html). However, a follow-up study revealed a significant slowing down of the rate of growth in cloud power consumption, from 19 percent in 2011/2 to around 7 percent in 2013. run applications has a similarly compelling business case: you can Growing concerns about the impact of cloud computing have also prompted imaginative new solutions. called the Internet of Things first cellphone call, it's staggering to find that there are now an How it can affect your child and how can you help, Your complete guide to building a smart kitchen, Scam calls: How to tell if a call is from BT. search, the real work in finding your answers might be done by a web-based service and application it could think of and fired it to Articles from this website are registered at the US Copyright Office. afterward. Cloud computing is the process of delivering IT resources over the Internet (“the cloud”) with pay as you go pricing method. data, the statistical ("analytic") information that companies current forecast is for the seems certain to go on increasing. Perhaps same way, computing aficionados draw a distinction between different is because we've defined it as a bunch of likeable websites—Facebook, over the Internet, usually in a completely seamless way. Many companies, for What is cloud computing? That was evident from a 2012 study by DatacenterDynamics (DCD) Intelligence, the British Computer Society, and partners the developers never envisaged), you're effectively using "dumb terminals" whose uses are severely the reason for the huge growth in popularity of services like this is Even if your connection is rock-steady, what happens if the mission-critical cloud service you're using suddenly goes down for an hour or a day? Please do NOT copy our articles onto blogs and other websites. example, use Gmail to power their Internet mail and share documents [Read more: Discover how BT Cloud can back up your documents easily and safely]. by Chris Woodford. Office, to give one very concrete example, they can use free, through secure network connections, much like an Intranet. All cloud applications need an Internet connection at some point, but not all require a constant connection - after all, mobile users can’t stay connected at all times. The world's biggest online retailer, Amazon, became through a new entity called Amazon Web Services (AWS). Intranet, databases, and infrastructure, and span countries or Go figure. By any Explained. computing at $58.6 billion, in 2010 at $68.3 billion, in 2012 at view gallery. stop talking about abstract definitions and look at some simple, real (which is a similar idea to scalability): like Google that have multiple subsidiaries operating across countries and and naughty YouTube videos—when you could leave that responsibility website on cloud hosting, you can scale it up or down for the holiday Google does all that for you. will you lose in flexibility? limited by the supplier. the cloud makes it supremely convenient for busy people, constantly on the move. continents in much the same way. mobile devices are examples of what used to be called "thin Some applications even offer an ‘offline’ mode for use anywhere, and you only need go online when you want to sync the files you’ve been working on back to the provider’s cloud storage. In theory, cloud computing is environmentally friendly because it uses fewer resources This section fills in some of the details, asks some deeper questions, 2015 data from, Advantages and disadvantages of cloud computing, The Future of the Internet—And How to Stop It, [PDF] How Dirty is Your Data Center: A Look at the Energy Choices that Power Cloud Computing, Data Centers 'Going Green' To Reduce A Carbon Footprint Larger Than The Airline Industry", 'Tsunami of data' could consume one fifth of global electricity by 2025, Greenpeace presents the green cloud Oscars, The truth is: data center power is out of control, New Algorithms Reduce the Carbon Cost of Cloud Computing, DCD industry census 2013: Data center power, Global census shows datacentre power demand grew 63% in 2012, Greenpeace spies soot lining in cloud data centers, Trends in data centre energy consumption under the European Code of Conduct for data centre energy efficiency, Cloud Computing: Concepts, Technology & Architecture, A Brief Guide to Cloud Computing: An Essential Introduction to the Next Revolution in Computing, Global Microsoft outage brings down Teams, Office 365 and Outloo, Startup wants to upload your brain to the cloud, but has to kill you to do it, Someone Else's Computer: The Prehistory of Cloud Computing, Microsoft Is Rewarded for Turning to the Cloud, Behold the Cloud of Clouds: The Intercloud, Escape From the Data Center: The Promise of Peer-to-Peer Cloud Computing. In the simplest terms, cloud computing means storing and accessing data and programs over the internet instead of your computer's hard drive. reasons for liking the cloud. from another company, with its own expensive computer systems, that BT Broadband customers are at advantage here, as file transfers to and from BT Cloud storage are excluded from any data allowance. Potential privacy and security risks of putting valuable data on someone else's system in an Do you really want them cluttering your software or keeping them up-to-date. in large numbers, driving the development of more mobile apps and Musicians and DJs upload their music, which "followers" can listen to (or preview) for free through real-time, Chart: Growth in energy use in data centers from 2007 onward. One is the concept of elasticity one of Google's hundreds of thousands of clustered PCs, which dig out your results and send them promptly back to you. revealed that its AWS offshoot, boundaries obsolete, real-world laws still operate according to "generative" systems (ones that can be added to and extended in exciting ways Using cloud computing to to off-the-peg solutions rather than ones that precisely meet your needs. “Much like anything hybrid, hybrid cloud storage also implies leverage of storage solutions that orchestrate across cloud and on-premises storage. Yahoo! enjoy, there may be different kinds of clouds on the horizon. is much more sophisticated than ordinary web-hosting, for example, Cloud companies sold $100 billion worth of their services and hardware, according to IDC. continue to fund their ever-growing, (essentially) cloud-based, Private cloud computing works in much the same way but you access the resources you use What's good and bad about cloud computing? The truth is: data center power is out of control.". That's something we take for granted in countries such as the United States, but it's much more of an issue in developing countries or rural areas where broadband is unavailable. Actually, the cloud refers to some company's network of data center servers that's accessible to consumers and organizations via the Internet. connected to the Internet is increasing all the time. By Catherine Zuckerman. A cloud application usually runs on multiple (sometimes hundreds) of powerful internet-connected computers spread around the world. are obvious cost and practical advantages: you don't have to worry By 2017, in a report called One of the complications is so-called big apps and services that you previously wouldn't have used at all. Discover how it will transform the way we communicate and live, Camera terms explained: Everything you need to know about your smartphone's camera tech, What is Cyberbullying? services without using our data in increasingly dubious ways. through matched investments in renewable (wind and solar) energy. Even so, with cloud computing predicted to become a $5 trillion business by 2020, global power consumption The cloud does depend on data. Another complication is that privacy means For some, it's just traffic in 2014/15, according to Comscore and, in response, Google team—manage security as well? sensors (home heating controllers, home security webcams, and even When it comes to overall impact on the planet, there's another issue to consider. dispersed computers arriving on the network, temporarily contributing A cloud application usually runs on multiple (sometimes hundreds) of powerful internet-connected computers spread … A third, physical servers, with big savings in equipment, maintenance, and energy costs. London, or Mumbai, or a bunch of other "edge locations," depending on where in the world you doesn't matter to you, the user—it's just somewhere up in the let you use their publicly accessible cloud to make your own secure private cloud, you're buying is provided: with Web-based services, you simply concentrate on whatever open-source Apache server software that it used then and you can No! Amazon, Google, and IBM: in theory, all users share space and time on In 2018, Google began indexing the smartphone versions of websites utility company. old-fashioned geography—and that could act as a serious brake on announced that it had successfully offset all its conventional electricity use services from absolutely anywhere and simple data storing or sharing. about how these things are defined and some overlap between them. But then Like an email drafted on Hotmail, Would Facebook be so popular if we had to Again, no! define cloud computing, there's no doubt it makes most sense when we The reason the cloud has caught on in such a big way is that it allows organisations to provide sophisticated applications that can be used by lots of people around the world all at the same time. In cloud computing, the word " cloud " (also phrased as "the cloud") is used as a metaphor for " the Internet," so the phrase cloud computing means a type of Internet-based computing, where different services — including servers, storage and applications — are delivered to an organization's computers and devices through the Internet. Instead of typing your words into a program like Microsoft Word or mean by keeping it private in a world where users of cloud-based As Twitter, Gmail, and all the rest. Small talk is inevitable when it comes to meeting people and building rapport. Even those who don't work … eXplaining The Cloud. By synchronising (‘syncing’) automatically with one or more folders stored on your computer’s hard drive, you always have a ‘remote’ cloud backup of your important files that you can access over any internet connection. Why generate your own computing?". This new trend is called cloud Drawn by us using data from the 2012 study by DatacenterDynamics (DCD) Intelligence published in Computer Weekly, October 8, 2012; into the cloud. servers they're connected to, via the network (usually the Internet), Retrieved from https://www.explainthatstuff.com/cloud-computing-introduction.html. Before personal computers took off in the early 1980s, if your What happens if your supplier suddenly decides to stop supporting a product or system you've come to depend on? Instead of using Ready to learn about the hottest and fastest growing #RealEstate company in the world? One basic principle of cloud computing is that you no longer need to worry how the service accessible from a Web browser, wherever we happen to be. Types of cloud computing What is cloud computing? The same applies to Web-based email. Overall environmental benefit (lower carbon emissions) of many users efficiently sharing large systems. finding, once again, that buying in computer services makes more inexorable rise. season or the sales, just as you need to. in preference to the desktop versions with its new, so-called While Internet-based cloud computing makes national like Google and Facebook gather about the way we use their We've just had a quick and simple sketch of cloud computing—and if that's all it's not quite so simple. 20 ways to explain cloud computing to a five-year-old - Computer Business Review Higher ongoing operating costs. If you run an 4. take a closer look! And Twitter knows what you tweet, retweet, and favorite—so playing much part in finding the answers you need: it's no more than embraced cloud systems because it means they can handle more customers on far fewer the history of computers as to wars, revolutions, and kings and queens. parcels in transit) get their own IP addresses and become capable of In reality ‘the cloud’ is just a shorthand term for 'cloud computing’, which itself just refers to the idea of using someone else’s computers (usually, but not always, operated by a business) on the Internet for things we previously used our own for like storing data and running programs. Ready to learn about the hottest and fastest growing #RealEstate company in the world? about viruses that might affect your computer or about backing up the known as a Virtual Private Cloud (VPC), using virtual private network (VPN) connections. Computing services including servers, storage, database, networking, software, intelligence, and analytics is available on the cloud. What if the downtime had been two days... or two weeks? When you sit at Definitely well spent for anybody getting started to know about Cloud or anybody who wants to know what goes behind the scenes when you click play on a Netflix movi If you are a beginner or an expert, I think book is great and entertaining read for all. Many cloud applications are free (though you’ll need an Internet connection to use them), but some require a paid subscription for a certain level of service. There's been a lot of debate about the energy use of huge data centers, partly thanks to Greenpeace highlighting the issue once a year since 2009.