PAAS Platform as a Service Models

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PAAS Platform as a Service Models

Platform as a Service (PaaS) is platform delivered over web, for the creation of the software. PaaS cloud computing platform is a developer programming platform which is created for the programmer to develop, test, run and manage the applications.

PaaS (Platform-as-a-Service) and IaaS (Infrastructure-as-a-Service) are both part of the fastest growing categories of cloud computing, alongside SaaS (Software-as-a-Service). In short, PaaS is a platform on which you can develop or run custom software, whereas IaaS if a virtual data centre. This is somewhat similar to Iaas but the difference is;

• Developers provide an application which the platform runs
• They don't directly create VMs

Where PaaS works?

• All the all technical stack requirements are met by platform offerings.
• Automation is paramount in testing, build, release.

Advantages of PaaS cloud Computing Layer

• Lower risk
• Simplified Development
• Scalability
• Instant community
• Prebuilt business functionality

Disadvantages of PaaS cloud computing layer

• Data Privacy
• Vendor lock-in
• Integration with the rest of the systems applications

PaaS cloud computing platform Provider vendors

• Google Apps Engine (GAE)
• SalesFroce.com
• Windows Azure
• AppFog
• Openshift
• Cloud Foundary from VMware

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