AWS
AWS is a broader group of network-based services offered by Amazon. The following are the services it offers:
- Amazon EC2
- Amazon S3
- Amazon SQS
- Amazon CloudFront
- Amazon SimpleDB
While there are a number of service offerings provided by Amazon, Amazon EC2 and Amazon S3 are two important innovations in terms of transaction handling.
The following diagram depicts the AWS architecture with development and application hosting:
Amazon EC2
Amazon EC2 is the most important feature of Amazon cloud services. It works based on a web services API for establishing, managing, and demolishing the virtual servers that reside in the Amazon cloud. This gives applications that are deployed and accessible through the internet the ability to launch the virtual server present in the Amazon cloud environment using a single web service invocation. The servers in Amazon EC2 cloud environments run based on a tailored version of the open source Xen hypervisor along with paravirtualization. This provides the ability to dynamically...