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description= How does cloud computing actually work? Learn the definition of the cloud, the technology that makes cloud computing possible, and the different cloud models. ;

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Text of the page (random words):
l tls cloudflare spectrum network interconnect performance reliability cdn dns argo smart routing load balancing stream delivery china network for teams cloudflare for teams access gateway browser isolation for developers serverless applications cloudflare workers cloudflare workers kv domain registration cloudflare registrar website development cloudflare pages cloudflare stream for everyone 1 1 1 1 1 1 1 1 with warp app 1 1 1 1 for families insights analytics cloudflare logs web analytics cloudflare radar privacy data localization compliance documentation for infrastructure advanced security bot management firewall rules magic transit spectrum tcp udp ssl waf performance reliability cdn dns image resizing load balancing stream video argo tunnel insights analytics domain registration registrar for serverless applications workers quick start cloudflare pages sample workers projects workers tutorials command line wrangler runtime for teams access access audit logs gateway gateway activity logs explore cloudflare api cloudflare api api authentication documentation hub dev documentation hub resources resources resource hub whitepapers webinars solutions product guides case studies analysts explore what s new network map cloudflare in china gdpr get started register your website welcome center get help learn learning center security ddos bot management ssl identity and access management performance cdn dns cloud serverless network layer connect blog community compliance gdpr transparency report compliance contact 1 650 319 8930 partners channel alliance partners partner network partner portal technology partners overview analytics partners bandwidth alliance interconnect partnerships peering portal for enterprise pricing pricing by plan pro business enterprise compare and explore need help choosing a plan add ons compare all plans log in sign up under attack solutions deliver superior online experiences mitigate ddos attacks stop malicious bot abuse accelerate internet applications ensure application availability optimize web experiences stream videos on demand secure employee applications and devices deliver zero trust access to applications implement secure access service edge sase protect users accessing the internet protect corporate networks manage secure contractor access replace virtual private networks vpns secure your remote workforce stop zero day attacks with browser isolation protect and accelerate networks mitigate l3 ddos attacks connect network infrastructure with cloudflare transform corporate networks code on the network edge build a serverless application deploy a static website configure a cdn define conditional request routing manage a secure cloud secure hybrid cloud saas platforms enable ssl for saas applications reduce cloud data transfer costs register a website register or transfer a website industries ecommerce gaming media and entertainment public sector saas public interest election campaigns athenian project project galileo for infrastructure application network security ddos protection waf bot management magic transit rate limiting ssl tls cloudflare spectrum network interconnect performance reliability cdn dns argo smart routing load balancing stream delivery china network for teams cloudflare for teams access gateway browser isolation for developers serverless applications cloudflare workers cloudflare workers kv domain registration cloudflare registrar website development cloudflare pages cloudflare stream for everyone 1 1 1 1 1 1 1 1 with warp app 1 1 1 1 for families insights analytics cloudflare logs web analytics cloudflare radar privacy data localization compliance for infrastructure advanced security bot management firewall rules magic transit spectrum tcp udp ssl waf performance reliability cdn dns image resizing load balancing stream video argo tunnel insights analytics domain registration registrar for serverless applications workers quick start cloudflare pages sample workers projects workers tutorials command line wrangler runtime for teams access access audit logs gateway gateway activity logs explore cloudflare api cloudflare api api authentication documentation hub dev documentation hub resources resource hub whitepapers webinars solutions product guides case studies analysts explore what s new network map cloudflare in china gdpr get started register your website welcome center get help learn learning center security ddos bot management ssl identity and access management performance cdn dns cloud serverless network layer connect blog community compliance gdpr transparency report compliance contact 1 650 319 8930 channel alliance partners partner network partner portal technology partners overview analytics partners bandwidth alliance interconnect partnerships peering portal pricing by plan pro business enterprise compare and explore need help choosing a plan add ons compare all plans english english united kingdom english canada english australia english india deutsch español españa español latinoamérica français italiano 日本語 한국어 português 繁體中文 简体中文 solutions solutions deliver superior online experiences mitigate ddos attacks stop malicious bot abuse accelerate internet applications ensure application availability optimize web experiences stream videos on demand secure employee applications and devices deliver zero trust access to applications implement secure access service edge sase protect users accessing the internet protect corporate networks manage secure contractor access replace virtual private networks vpns secure your remote workforce stop zero day attacks with browser isolation protect and accelerate networks mitigate l3 ddos attacks connect network infrastructure with cloudflare transform corporate networks code on the network edge build a serverless application deploy a static website configure a cdn define conditional request routing manage a secure cloud secure hybrid cloud saas platforms enable ssl for saas applications reduce cloud data transfer costs register a website register or transfer a website industries ecommerce gaming media and entertainment public sector saas public interest election campaigns athenian project project galileo products for infrastructure application network security ddos protection waf bot management magic transit rate limiting ssl tls cloudflare spectrum network interconnect performance reliability cdn dns argo smart routing load balancing stream delivery china network for teams cloudflare for teams access gateway browser isolation for developers serverless applications cloudflare workers cloudflare workers kv domain registration cloudflare registrar website development cloudflare pages cloudflare stream for everyone 1 1 1 1 1 1 1 1 with warp app 1 1 1 1 for families insights analytics cloudflare logs web analytics cloudflare radar privacy data localization compliance documentation for infrastructure advanced security bot management firewall rules magic transit spectrum tcp udp ssl waf performance reliability cdn dns image resizing load balancing stream video argo tunnel insights analytics domain registration registrar for serverless applications workers quick start cloudflare pages sample workers projects workers tutorials command line wrangler runtime for teams access access audit logs gateway gateway activity logs explore cloudflare api cloudflare api api authentication documentation hub dev documentation hub resources resources resource hub whitepapers webinars solutions product guides case studies analysts explore what s new network map cloudflare in china gdpr get started register your website welcome center get help learn learning center security ddos bot management ssl identity and access management performance cdn dns cloud serverless network layer connect blog community compliance gdpr transparency report compliance contact 1 650 319 8930 partners channel alliance partners partner network partner portal technology partners overview analytics partners bandwidth alliance interconnect partnerships peering portal for enterprise pricing pricing by plan pro business enterprise compare and explore need help choosing a plan add ons compare all plans log in sign up under attack ddos protection hotline thank you someone from cloudflare will be in touch with you shortly contact us help i m under attack email sales support 1 888 993 5273 what is the cloud cloud definition the cloud is made up of servers in data centers all over the world moving to the cloud can save companies money and add convenience for users share what is the cloud what is multicloud what is hybrid cloud what is a cloud firewall glossary cloud security what is saas cloud migration cloudflare and the cloud what is a public cloud what is a private cloud multicloud management hybrid cloud architecture next generation firewall multicloud vs hybrid cloud virtual machine what is cloud storage digital transformation multitenancy vendor lock in what is iaas virtual private cloud what is the cloud what is the cloud the cloud refers to servers that are accessed over the internet and the software and databases that run on those servers cloud servers are located in data centers all over the world by using cloud computing users and companies don t have to manage physical servers themselves or run software applications on their own machines the cloud enables users to access the same files and applications from almost any device because the computing and storage takes place on servers in a data center instead of locally on the user device this is why a user can log into their instagram account on a new phone after their old phone breaks and still find their old account in place with all their photos videos and conversation history it works the same way with cloud email providers like gmail or microsoft office 365 and with cloud storage providers like dropbox or google drive for businesses switching to cloud computing removes some it costs and overhead for instance they no longer need to update and maintain their own servers as the cloud vendor they are using will do that this especially makes an impact for small businesses that may not have been able to afford their own internal infrastructure but can outsource their infrastructure needs affordably via the cloud the cloud can also make it easier for companies to operate internationally because employees and customers can access the same files and applications from any location how does cloud computing work cloud computing is possible because of a technology called virtualization virtualization allows for the creation of a simulated digital only virtual computer that behaves as if it were a physical computer with its own hardware the technical term for such a computer is virtual machine when properly implemented virtual machines on the same host machine are sandboxed from one another so they don t interact with each other at all and the files and applications from one virtual machine aren t visible to the other virtual machines even though they re on the same physical machine virtual machines also make more efficient use of the hardware hosting them by running many virtual machines at once one server becomes many servers and a data center becomes a whole host of data centers able to serve many organizations thus cloud providers can offer the use of their servers to far more customers at once than they would be able to otherwise and they can do so at a low cost even if individual servers go down cloud servers in general should be always online and always available cloud vendors generally back up their services on multiple machines and across multiple regions users access cloud services either through a browser or through an app connecting to the cloud over the internet that is through many interconnected networks regardless of what device they re using what are the main service models of cloud computing software as a service saas instead of users installing an application on their device saas applications are hosted on cloud servers and users access them over the internet saas is like renting a house the landlord maintains the house but the tenant mostly gets to use it as if they owned it examples of saas applications include salesforce mailchimp and slack platform as a service paas in this model companies don t pay for hosted applications instead they pay for the things they need to build their own applications paas vendors offer everything necessary for building an application including development tools infrastructure and operating systems over the internet paas can be compared to renting all the tools and equipment necessary for building a house instead of renting the house itself paas examples include heroku and microsoft azure infrastructure as a service iaas in this model a company rents the servers and storage they need from a cloud provider they then use that cloud infrastructure to build their applications iaas is like a company leasing a plot of land on which they can build whatever they want but they need to provide their own building equipment and materials iaas providers include digitalocean google compute engine and openstack formerly saas paas and iaas were the three main models of cloud computing and essentially all cloud services fit into one of these categories however in recent years a fourth model has emerged function as a service faas faas also known as serverless computing breaks cloud applications down into even smaller components that only run when they re needed imagine if it were possible to rent a house one little bit at a time for instance the tenant only pays for the dining room at dinner time the bedroom while they re sleeping the living room while they re watching tv and when they aren t using those rooms they don t have to pay rent on them faas or serverless applications still run on servers as do all these models of cloud computing but they re called serverless because they don t run on dedicated machines and because the companies building the applications don t have to manage any servers also serverless functions scale up or duplicate as more people use the application imagine if the tenant s dining room could expand on demand when more people come over for dinner learn more about serverless computing faas what are the different types of cloud deployments in contrast to the models discussed above which define how services are offered via the cloud these different cloud deployment types have to do with where the cloud servers are and who manages them the most common cloud deployments are private cloud a private cloud is a server data center or distributed network wholly dedicated to one organization public cloud a public cloud is a service run by an external vendor that may include servers in one or multiple data centers unlike a private cloud public clouds are shared by multiple organizations using virtual machines individual servers may be shared by different companies a situation that i...