Amazon Web Services:
Python Libraries:
GlusterFS:

Related Reading:

Cloud Computing For DummiesCloud Computing For Dummies
The Rough Guide to Cloud Computing (Rough Guide Reference Series)The Rough Guide to Cloud Computing (Rough Guide Reference Series)
Cloud Security and Privacy: An Enterprise Perspective on Risks and Compliance (Theory in Practice)Cloud Security and Privacy: An Enterprise Perspective on Risks and Compliance (Theory in Practice)
Cloud Computing Explained: Implementation Handbook for EnterprisesCloud Computing Explained: Implementation Handbook for Enterprises