{"id":1589,"date":"2011-10-13T11:24:34","date_gmt":"2011-10-13T11:24:34","guid":{"rendered":"http:\/\/www.esds.co.in\/blog\/?p=1589"},"modified":"2021-03-11T11:11:29","modified_gmt":"2021-03-11T11:11:29","slug":"the-fundamentals-of-cloud-computing","status":"publish","type":"post","link":"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/","title":{"rendered":"The Fundamentals of Cloud Computing"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"400\" src=\"https:\/\/www.esds.co.in\/blog\/wp-content\/uploads\/2021\/03\/cloud-computing.jpg\" alt=\"The Fundamentals of Cloud Computing\" class=\"wp-image-11910\" title=\"Fundamentals-of-Cloud-Computing\" srcset=\"https:\/\/www.esds.co.in\/blog\/wp-content\/uploads\/2021\/03\/cloud-computing.jpg 735w, https:\/\/www.esds.co.in\/blog\/wp-content\/uploads\/2021\/03\/cloud-computing-300x163.jpg 300w, https:\/\/www.esds.co.in\/blog\/wp-content\/uploads\/2021\/03\/cloud-computing-150x82.jpg 150w, https:\/\/www.esds.co.in\/blog\/wp-content\/uploads\/2021\/03\/cloud-computing-660x359.jpg 660w\" sizes=\"auto, (max-width: 735px) 100vw, 735px\" \/><\/figure><\/div>\n\n\n\n<p><strong>1. Business value:<\/strong><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#Types_of_Cloud_Hosting_Services_Models\" >Types of Cloud Hosting Services Models<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#Software_as_a_service_SaaS\" >Software as a service (SaaS)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#SaaS_Component_Stack_and_Scope_of_Control\" >SaaS Component Stack and Scope of Control<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#Need_of_SAAS\" >Need of SAAS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#PaaS_Platform_as_a_Service\" >PaaS (Platform as a Service)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#PaaS_Component_Stack_and_Scope_of_Control\" >PaaS Component Stack and Scope of Control<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#Need_of_PAAS\" >Need of PAAS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#IaaS\" >IaaS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/#IaaS_Component_Stack_and_Scope_of_Control\" >IaaS Component Stack and Scope of Control<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p style=\"text-align: justify;\">Flexibility and ability to match the cost of the service to the consumption differentiate cloud computing from other internet services and though critical, this feature creates a new value for business services and enables to develop of new business models which have never been tried till now, as Cloud is not a kind of resource expense which can be replaced by means of working costs.<\/p>\n\n\n\n<p><strong>2. Service deployment:<\/strong><\/p>\n\n\n\n<p style=\"text-align: justify;\">The strength of cloud computing is instantaneous output, as customers can get service within a few minutes only. \u00a0But, payment has not been done instantly all the way through the typical manual itself.<\/p>\n\n\n\n<p><strong>3. Self-service deployment:<\/strong><\/p>\n\n\n\n<p style=\"text-align: justify;\">Spontaneous and well-defined services provided by cloud computing can be utilized independently by customers.<br>All these core fundamentals imply a fully automated service provisioning and for the consumer, it means, \u201cService is in your hand take or leave it!\u201d<\/p>\n\n\n\n<p style=\"text-align: justify;\">Cloud computing, as a service in the form of \u201cIAAS (Infrastructure as a Service)\u201d and \u201cPAAS (Platform as a Service)\u201d by means of Infrastructure and Platform, are evolutionary steps to change its deployment model and the business value in very thoughtful ways. As cloud computing is a completely new part of the IT portfolio, just washing up the pre-existing services with a cloud doesn\u2019t make any sense. It\u2019s very important to focus on the things that make cloud computing, original and distinctive in every way.<\/p>\n\n\n\n<p style=\"text-align: justify;\">Nowadays as a part of rapid growth, the traditional concept has been replaced by on-demand service, and that\u2019s why, genuine prospective of SaaS (Software as a Service), has been not fulfilled in a proper way. As in fact, existing products are simply rebranded or just repackaged by vendors.<\/p>\n\n\n\n<p style=\"text-align: justify;\">Similarly, to profit from the wave of cloud computing, pre-existing features of cloud computing have been rebranded without any proper functionality. To do this all, the concept of Cloud washing is implemented by vendors to convince decision-makers of any business or IT industry that how his strategy is useful to maintain swiftness with the latest innovations in the marketplace. Still, due to a few factors that are lacking, the strategy of cloud washing has not been fully implemented yet.<\/p>\n\n\n\n<p style=\"text-align: justify;\">For all industrial applications based on a Cloud environment, it&#8217;s very beneficial to implement the concept of Cloud scalability. For effective functioning, the cloud needs to be designed with the provision of everlasting abstract scalability which can be controlled by service, if included in the architecture of the cloud-based application. \u00a0Thus, the service itself manipulates a scalable architecture design of an application, this is why Cloud-based application essentially requires scalable architecture design.<\/p>\n\n\n\n<p><strong>NOTE:<\/strong> Cloud infrastructure provides an unbounded scalability.<\/p>\n\n\n\n<p><strong>Requirements of a strictly scalable application as follows:<\/strong><\/p>\n\n\n\n<p>1. Automatic enhancement of resources derived from the demand<br>2. Operationally competent enough while scaling up and down<br>3. Safe service<br>4. Fault-tolerant.<\/p>\n\n\n\n<h3 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_Cloud_Hosting_Services_Models\"><\/span><strong>Types of Cloud Hosting Services Models<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p style=\"text-align: justify;\">As a part of business objectives, customer service can be provided by means of Cloud Service Models. Basically there are three types of Cloud Service Models as follows:<\/p>\n\n\n\n<p><strong>1. <a href=\"https:\/\/www.esds.co.in\/blog\/software-as-a-service-saas-model\/\" target=\"_blank\" rel=\"noreferrer noopener\">SaaS (Software as a Service)<\/a><br>2. PaaS (Platform as a Service)<br>3. IaaS (Infrastructure as a Service)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"ESDS Launches &#039;SPOCHUB&#039; - On-Click SaaS, PaaS Market Place\" width=\"960\" height=\"540\" src=\"https:\/\/www.youtube.com\/embed\/BcJioMjsQds?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"Software_as_a_service_SaaS\"><\/span><strong>Software as a service (SaaS)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"text-align: justify;\">In this type of model, the cloud application is highly controlled by the administrative authority and the service provider is charged for updates, development, maintenance, and security. Thus, the service provider controls the final authority over the whole application and the end-user is totally free from any service issues.<\/p>\n\n\n\n<p>Example of SaaS is Gmail, where Google is the provider and we are just end users.<\/p>\n\n\n\n<h3 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"SaaS_Component_Stack_and_Scope_of_Control\"><\/span><strong>SaaS Component Stack and Scope of Control<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p style=\"text-align: justify;\">Despite of organizations and enterprises, an individual can be a subscriber or user of SaaS.<br>In most of the cases, calculation of usage fee depends on the number of users.<\/p>\n\n\n\n<p style=\"text-align: justify;\"><strong>For example:<\/strong> Google Apps for business, individually charges fees for more than 10 users,<br>In SAAS, in spite of concentrating on hardware maintenance, infrastructure management, job hiring and retaining etc, center of attention needs to be the business.<\/p>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"Need_of_SAAS\"><\/span><strong>Need of SAAS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"text-align: justify;\">In the cloud applications, SAAS can be implemented by means of productivity and collaboration, to make the task a little bit easier for HR, PayRoll and Sales<\/p>\n\n\n\n<p style=\"text-align: justify;\">Cloud-based storage and sharing services like Dropbox, Windows Live, Amazon S3, Google Docs, and Box.net, etc.<\/p>\n\n\n\n<p style=\"text-align: justify;\"><strong>NOTE:<\/strong> Individual use of more than 30 Google <strong><a href=\"https:\/\/www.esds.co.in\/enlight-public-cloud-hosting\" target=\"_blank\" rel=\"noreferrer noopener\">Cloud Services<\/a><\/strong> is an example of SAAS itself.<\/p>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"PaaS_Platform_as_a_Service\"><\/span><strong>PaaS (Platform as a Service)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"text-align: justify;\">A policy to develop, test and deploy software is practically known as a platform and the entire SDLC is operated on a service model called <strong><a href=\"https:\/\/www.esds.co.in\/blog\/cloud-service-models\/\" target=\"_blank\" rel=\"noreferrer noopener\">PAAS<\/a><\/strong>. PaaS is dedicated to application developers, testers, and administrators. Everything required to build up a cloud SaaS application is provided by PAAS.<\/p>\n\n\n\n<h3 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"PaaS_Component_Stack_and_Scope_of_Control\"><\/span><strong>PaaS Component Stack and Scope of Control<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p style=\"text-align: justify;\">On average, development environment, programming languages, compilers, testing tools, and deployment mechanisms, etc are included in PaaS.<\/p>\n\n\n\n<p style=\"text-align: justify;\">For example: In Google Apps Engine (GAE), the developer downloads the development environment, locally in the developer\u2019s infrastructure otherwise accesses tools in the provider\u2019s infrastructure through a browser.<\/p>\n\n\n\n<p style=\"text-align: justify;\">Independent Software Vendors, IT Service providers, or even individual developers wishing to develop SAAS, can become subscribers of PaaS.<\/p>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"Need_of_PAAS\"><\/span><strong>Need of PAAS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"text-align: justify;\">The developer needs to concentrate on just the application development as the platform itself takes care of everything.<\/p>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"IaaS\"><\/span><strong>IaaS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"text-align: justify;\">A range of virtual computers, cloud storage, network infrastructure components like firewalls and configuration services, etc, is nothing but IaaS.<\/p>\n\n\n\n<p style=\"text-align: justify;\">The System Administrators are the subscribers of this service and by considering per hour CPU utilization, storing of data, network bandwidth and infrastructure consumed respectively, the cost can be added and services can be used.<\/p>\n\n\n\n<p><strong>For example:<\/strong> monitoring, auto-scaling etc.<\/p>\n\n\n\n<p style=\"text-align: justify;\">The fee structure of IAAS depends on all the above-mentioned factors and can be calculated by considering each of them.<\/p>\n\n\n\n<h3 class=\"has-text-align-center wp-block-heading\"><span class=\"ez-toc-section\" id=\"IaaS_Component_Stack_and_Scope_of_Control\"><\/span><strong>IaaS Component Stack and Scope of Control<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p style=\"text-align: justify;\">In the case of a newly established company, IAAS can be very useful in launching any application or website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Business value: Flexibility and ability to match the cost of the service to the consumption differentiate cloud computing from other internet services and though critical, this feature creates a new value for business services and enables to develop of new business models which have never been tried till now, as Cloud is not a&#8230; <\/p>\n<div class=\"clear\"><\/div>\n<p><a href=\"https:\/\/www.esds.co.in\/blog\/the-fundamentals-of-cloud-computing\/\" class=\"gdlr-button small excerpt-read-more\">Read More<\/a><\/p>\n","protected":false},"author":7,"featured_media":11910,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[15],"tags":[538,220,251,23,2643],"class_list":["post-1589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-computing","tag-cloud-fundaments","tag-iaas","tag-paas","tag-saas","tag-types-of-cloud-hosting-services-models"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/posts\/1589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/comments?post=1589"}],"version-history":[{"count":8,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/posts\/1589\/revisions"}],"predecessor-version":[{"id":11912,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/posts\/1589\/revisions\/11912"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/media\/11910"}],"wp:attachment":[{"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/media?parent=1589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/categories?post=1589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/tags?post=1589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}