Sunday, January 26, 2014

In this post, we review white paper on AWS from their website.
 AWS solves IT infrastructure needs. Applications have evolved from a desktop centric installation to client/server models, to loosely coupled web services and then to service oriented Applications. This increases the scope and dimension of the infrastructure. Cloud computing now builds on many of the advances such as virtualization, failovers etc. As Gartner mentions, it is known for scalable and elastic IT enabled capabilities as a service to external customers using internet technologies.
The capabilities include compute power, storage, databases, messaging and other building block services that run business applications.
When coupled with a utility style pricing and business model,  cloud computing delivers an enterprise grade IT infrastructure in a reliable timely and cost-effective manner.
Cloud computing is about outsourcing the infrastructure services and keeping it decentralized. Development teams are able to access compute and storage resources on demand. Using AWS, you can request compute power, storage and services in minutes.
AWS is known to be
Flexible - different programming models, operating systems, databases and architectures can be enabled. Application developers don't have to learn new skills. SOA based solutions with heterogeneous implemantations can be enabled.
Cost-effective - with AWS, organizations pay only for what they use. Costs such as power, cooling, real estate, and staff are now taken away from organizations. There is no up-front investment, long term commitment and there is minimal spend.
Scalable and elastic = organizations could quickly add and subtract AWS resources in order to meet customer demand and manage costs. It can handle a spike in traffic or two or more and not hamper normal business operations.
Secure - It provides end to end security and end to end privacy. Confidentiality, integrity, and availability of your data is of the utmost importance to AWS and it is maintaining trust and confidence. AWS takes the following approaches to secure the cloud infrastructure:
certifications and accreditations - in the realm of public sector certifications
physical security - it has many years of experience designing, constructing and operating large scale data centers.
secure services - unauthorized access or usage is restricted without sacrificing the flexibility of customer demand.
privacy - encrypt personal and business data in the AWS cloud.
Experienced - when using AWS, organizations can leverage Amazon's years of experience in this field.
AWS provides a low friction path to cloud computing. Scaling on demand is an advantage.

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