Why "Cloud" ?
Very often on diagrams, the Internet was symbolized by a nice cloud clipart. It was a convenient way to sum up the complexity of the worldwide network linking two or more LANs. |
Humans (IT) and machines (IoT)
Human-generated traffic |
You, me, them, us : browsing the web, sending e-mails, video-conferencing, downloading, uploading... Good old IT. |
Machine-generated traffic |
Also known as the Internet of Things (IoT) : sensors, alarms, probes, detectors, devices, ... A galaxy of autonomous Cloud-enabled equipments running some form of synthesized intelligence. |
1 Cloud, 3 categories
Infrastructure (IaaS) |
Provides servers, OSes, virtualization, network and storage. |
Amazon Web Services, Microsoft Azure, AT&T, CenturyLink Technology Solutions, Cisco Systems, Cloudscaling, Comcast, EMC, GoGrid, Green Cloud Technologies, Hewlett-Packard, IBM, Joyent, NaviSite, Nebula, NTT Communications, Peak, ProfitBrick, Rackspace, Terremark. |
Platform (Paas) |
Provides a computing platform and a solution stack as a service. |
Apprenda, CloudBees, CumuLogic, Docker, Engine Yard, Eucalyptus Systems, GigaSpaces, Morphlabs, MuleSoft, Parallels, Piston Cloud Computing, Pivotal Software, Puppet Labs, Ravello Systems, Red Hat, RightScale, ScaleXtreme, Software AG, StackDriver, Xively. |
Application/Software (SaaS) |
Provides access to centrally hosted software. |
Acumatica, Avalara, BetterCloud, Birst, Cloudability, FinancialForce, Google, Insightly, Intacct, Jaspersoft, Marketo, NetSuite, Oracle, Paxata, Salesforce.com, SAP, Star2Star Communications, Tableau Software, Workday, Zoho. |
1 Cloud, 3 types
Private |
A Cloud infrastructure entirely dedicated to one company. |
Public |
The services are rendered over a network that is open for public use. |
Hybrid |
A composition of two or more clouds (private or public) that remain distinct entities but are bound together. |
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