Database Services on a Private Cloud
For database environments, the PaaS cloud model provides better IT services than the IaaS model. The PaaS model provides enough resources in the cloud that databases can quickly get up and running and still have enough latitude for users to create the applications they need. Additionally, central IT management, security, and efficiency are greatly enhanced through consistency and economies of scale.
Conversely, with the IaaS model, each tenant must build most of the stack on their own, lengthening time to deployment and resulting in inconsistent stacks that are harder to manage.
A private cloud is an efficient way to deliver database services because it enables IT departments to consolidate servers, storage, and database workloads onto a shared hardware and software infrastructure. Databases deployed on a private cloud offer compelling advantages in cost, quality of service, and agility by providing on-demand access to database services in a self-service, elastically scalable, and metered manner.
Private clouds are a better option than public clouds for many reasons. Public clouds typically provide little or no availability or performance service-level agreements, and there are potential data security risks. In contrast, private clouds enable IT departments to have complete control over the performance and availability service levels they provide, and can easily enforce data governance regulations and auditing policies. This paper describes how Oracle Database 11g can be successfully consolidated onto a private cloud through several deployment models.
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