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This layer is deployed on top of commodity hardware (blade servers typically), and is responsible for providing elastic compute and storage utilities in a multi-tenant manner. Unlike traditional SaaS applications that rely on database virtualization for multi-tenancy, Intalio|Cloud takes advantage of the recent progresses made with hardware virtualization (VMWare, Xen, etc.) and database partitioning for delivering an infinitely scalable and highly secure multi-tenant platform.
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The Intalio|Cloud Appliance puts in a single rack (or multiple of them) all the hardware and software required to build a true enterprise-class cloud computing platform. The IaaS layer provides elastic compute and storage utilities in a truly multi-tenant manner, the PaaS layer provides a set of powerful application engines and advanced development tools used to create and manage the most complex enterprise applications, and the SaaS layer provides a set of pre-built applications (BPM, CRM, etc.) that can be used as is, or as templates for developing custom applications.
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