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In your own words explain the difference between two types of cloud computing: Platform as a...

  • In your own words explain the difference between two types of cloud computing: Platform as a service (PaaS) and .Infrastructure as a service (IaaS). Give at least 2 examples of PaaS and 1 example of IaaS AWS solutions implemented by Zillow. Describe main features and benefits of each .
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IAAS (Infrastructure-as-a-Service):The IaaS type of cloud computing distributes a full computer infrastructure via the web or Internet. Most popular IaaS providers like Amazon Web Services offer virtual server instances with unique IP addresses and block of storage on demand. In IaaS customers usually use the service provider’s console or application program interface (API) to start, stop, access, modify and configure their virtual servers and storage as is needed.The underlying infrastructure management lies with the Service Provider and the customers need not worry about them allowing them to focus on the other layers for business.

PAAS (Platform-as-a-Service): PaaS type of cloud computing offers a full or partial product development tools or environment that users can access and utilize online, even in collaboration with others and hosted on the provider's infrastructure. In PaaS developers create applications on the service provider's platform over the Internet or web. PaaS service providers may use Application Program Interfaces (APIs), gateway software or website portals installed on the customer's premises. GoogleApps and Force.com (an outgrowth of Salesforce.com) are good examples of PaaS.This model is suitable for developers who would like to focus on their code instead of the layers running beneath it.

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