Amazon Web Services (AWS) is a collection of remote computing services, also called web services, that make up a cloud computing platform by www.amazon.com. The most central and well-known of these services are Amazon EC2 and Amazon S3 Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services.
The AWS components are:
S3 is used to retrieve datasets involved in cloud architecture and is used to store the output datasets that are the result of the computations.
SQS is leveraged for buffering requests received by the Amazon controller. It is the component used for communication between different controllers.
SimpleDB is used to store intermediate logs and tasks performed by the user.
EC2 is used to run a large distributed processing on the Hadoop cluster and provides automatic parallelization and scheduling.