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Monday, September 7, 2009

Cloud Computing & Amazon

Amazon Web Services (AWS) -- http://aws.amazon.com
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• Amazon Data Center in the Cloud
• Fast, easy, inexpensive renting of servers / storage
– Elastic Compute Cloud (EC2) – Rent Linux virtual machines
• 10-80 cents/hour
– Simple Storage Service (S3) – Store files
• 15 cents/GB/month (US)
• 18 cents/GB/month (Europe)
– Bandwidth Costs
• 10 cents/GB incoming
• 10 – 17 cents/GB outgoing (based on volume)
• Customers demand for Oracle products to run on AWS
EC2

Amazon EC2 Features
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• Elastic (Static) IP Addresses
– Pre-assigned static IP addresses that can be associated with any
EC2 instance
• Elastic Block Storage
– Persistent “NAS” style storage
– Allows users to create volumes and snapshots
– Default EC2 storage is ephemeral – you loose everything the
moment you shut down an instance
• Availability Zones
– Spread your instances across multiple locations for business
continuity
• Security
– Private/Public key pair based, SSH-only administrator access
– Ability to configure firewall and network port settings

Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud. It is designed to make web-scale computing easier for developers.


To use Amazon EC2, you simply:


* Create an Amazon Machine Image (AMI) containing your applications, libraries, data & associated configuration settings.Or use pre-configured, templated images to get up & running immediately.
* Upload the AMI into Amazon S3.Amazon EC2 provides tools that make storing the AMI simple.Amazon S3 provides a safe,reliable & fast repository to store your images.
* Use Amazon EC2 web service to configure security and network access.
* Choose which instance type(s) and operating system you want, then start, terminate, and monitor as many instances of your AMI as needed, using the web service APIs or the variety of management tools provided.
* Determine whether you want to run in multiple locations, utilize static IP endpoints, or attach persistent block storage to your instances.

Service Highlights

Elastic – Amazon EC2 enables you to increase or decrease capacity within minutes, not hours or days. You can commission one, hundreds or even thousands of server instances simultaneously. Of course, because this is all controlled with web service APIs, your application can automatically scale itself up and down depending on its needs.

Completely Controlled
Flexible
Designed for use with other Amazon Web Services
Reliable
Secure
Inexpensive

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