INTRODUCTION<br />What Is Cloud Computing??<br />Some analysts and vendors define: updated version of utility computing,basically virtual servers available over the Internet. <br />Others define: anything you consume outside <br />the firewallis "in the cloud," <br />including conventional outsourcing.<br />MORE…<br />
Want to know more??<br />It focuses on what IT always needs: <br /><ul><li>a way to increase capacity or add capabilities on the fly without investing in new infrastructure
or licensing new software. </li></ul>Thus, extends IT's existing capabilities.<br />CONTINUE to <br />TYPES OF CLOUD COMPUTING<br />
TYPES OF <br />CLOUD COMPUTING<br />SaaS<br />Utility computing<br />Web services in the cloud<br />Platform as a service<br />MSP (Manage Service Providers)<br />Service commerce platforms<br />Internet integration<br />
SaaS<br />delivers a single application through the <br /> browser to thousands of customers using <br /> a multitenant architecture.<br />no upfront investment in servers or <br /> software licensing <br />costs are low compared to conventional hosting. <br />
UTILITY COMPUTING<br />Accept storage offers and virtual servers that IT can access on demand.<br />Liquid Computing's LiquidQ enabling IT to<br /> stitch together memory, I/O, storage, and<br /> computational capacity as a virtualized<br /> resource pool available over the network.<br />
WEB SERVICES IN THE CLOUD<br />providers offer APIs that enable developers<br /> to exploit functionality over the Internet<br />They range from providers offering discrete business services to the full range of<br /> APIs as offered by conventional <br /> credit card processing services.<br />
PLATFORM AS A SERVICE<br />delivers development environments as a service.<br />Owned applications built that run on the <br /> provider's infrastructure and are delivered to your users via the Internet from <br /> the provider's servers<br />Prime examples the new Google App Engine<br />
MANAGE SERVICE PROVIDERS (MSP)<br />an application exposed to IT rather than to end-users; virus scanning service for e-mail <br />Managed security services delivered by SecureWorks, IBM, and Verizon,cloud-based anti-spam services as Postini, recently acquired by Google. <br />
SERVICE COMMERCE PLATFORMS<br />A hybrid of SaaS and MSP; offers a service hub that users interact with.<br />most common in trading environments; think of it as an automated service bureau.<br />Well-known examples include Rearden Commerce and Ariba.<br />
INTERNET INTEGRATION<br />The integration of cloud-based services <br />OpSource, which mainly concerns itself with <br /> serving SaaS providers, recently introduced the OpSourceServices Bus, which employs in-the cloud integration technology from a little startupcalled Boomi<br />
CONCLUSION<br />In general, cloud computing customers do <br />not own the physical infrastructure, instead <br />avoiding capital expenditure by renting usage <br />from a third-party provider. They consume <br />resources as a service and pay <br />only for resources that they use. <br />
REFERENCE<br />This article “What Cloud Computing Really Means” is taken from the website and was edited:<br />http://www.infoworld.com/d/cloud-computing/what-cloud-computing-really-means-031<br />- was originally published in InfoWorld.com - <br />
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