Getting Started with Cloud Computing: Amazon EC2 on Red Hat Enterprise Linux
Introduction & Executive Summary
Cloud computing with Red Hat Enterprise Linux (RHEL) is a web-scale virtual computing environment powered by Amazon Web Services. It provides everything needed to develop and host applications: compute capacity, network bandwidth, storage capacity, and the leading open source operating system platform, Red Hat Enterprise Linux.
anytime including: running applications on-premises (using physical and virtual) servers, running applications in application/server hosted facilities, and finally running application in the cloud, i.e., Amazon?s Elastic Compute Cloud (Amazon EC2).
Amazon Elastic Compute Cloud, also known as "EC2", is a commercial web service which allows paying customers to rent computers to run computer applications on. EC2 allows scalable deployment of applications by providing a web services interface through which customers can request an arbitrary number of Virtual Machines, i.e. server instances, on which they can load any software of their choice.
Current users are able to create, launch, and terminate server instances on demand, hence the term "elastic". The Amazon implementation allows server instances to be created in zones that are insulated from correlated failures. EC2 is one of several Web Services provided by Amazon.com under the umbrella term Amazon Web Services (AWS).
EC2 uses Xen Virtualization. Each virtual machine, called an instance, is a virtual private server and can be one of several sizes. Instances are sized based on EC2 Compute Units which is the equivalent CPU capacity of physical hardware.
In November 2007, Red Hat announced the availability of Red Hat Enterprise Linux On Demand on Amazon Elastic Compute Cloud (Amazon EC2), a web service that provides resizeable compute capacity in the cloud. This collaboration makes all the capabilities of Red Hat Enterprise Linux, including the Red Hat Network management service, world-class technical support and over 3,400 certified applications, available to customers on Amazon's proven network infrastructure and datacenters. ...
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Table of Contents
1. Introduction & Executive Summary ....................................................................................... 5
2. AWS Infrastructure Services ................................................................................................. 7
2.1 Amazon Elastic Compute Cloud (Amazon EC2) ............................................................. 7
2.2 Amazon Simple Storage Service (Amazon S3) ............................................................... 7
2.3 Amazon Simple Queue Service (Amazon SQS) ............................................................. 7
2.4 Amazon SimpleDB .......................................................................................................... 8
3. Amazon Elastic Compute Cloud (Amazon EC2) ................................................................... 9
3.1 Amazon EC2 Core Concepts .......................................................................................... 9
3.1.1 Amazon Machine Image (AMI) ................................................................................. 9
3.1.2 Amazon EC2 Instance .............................................................................................. 9
3.2 Amazon EC2 Functionality .............................................................................................. 9
3.3 Service Highlights .......................................................................................................... 10
3.4 Amazon EC2 Instances ................................................................................................. 11
3.4.1 Available Instance Types ........................................................................................ 12
3.4.2 Selecting Instance Types ........................................................................................ 13
3.4.3 Measuring Compute Resources ............................................................................. 13
3.4.4 I/O Performance ..................................................................................................... 14
3.5 Amazon EC2 Data Transfer .......................................................................................... 14
3.6 Amazon EC2 Elastic IP Addresses ............................................................................... 15
3.7 Using Amazon EC2 to Run Instances ........................................................................... 15
3.8 Paying for What You Use .............................................................................................. 16
4. Amazon Simple Storage Service (Amazon S3) .................................................................. 17
4.1 Amazon S3 Functionality ............................................................................................... 17
4.2 Pay for What You Use ................................................................................................... 17
4.3 Amazon S3 Design Requirements ................................................................................ 18
4.4 Amazon S3 Design Principles ....................................................................................... 19
5. Amazon Simple Queue Service (Amazon SQS) ................................................................. 21
5.1 Amazon SQS Functionality ........................................................................................... 21
5.2 SQS Service Highlights ................................................................................................. 21
5.3 Using Amazon SQS with Other AWS Infrastructure Web Services ............................... 22
5.4 Pay for What You Use ................................................................................................... 23
5.5 SQS - Detailed Description ........................................................................................... 23
5.5.1 Basic Queue Requests ........................................................................................... 23
5.5.2 Amazon SQS Message Lifecycle ............................................................................ 24
6. Amazon SimpleDB? .......................................................................................................... 25
6.1 Amazon SimpleDB Functionality ................................................................................... 25
6.2 Service Highlights .......................................................................................................... 26
6.3 Pay for What you Use ................................................................................................... 27
6.4 Detailed Description ...................................................................................................... 28
6.4.1 The Data Model: Domains, Items, Attributes and Values ....................................... 28
6.4.2 API Summary .......................................................................................................... 29
6.4.3 Amazon SimpleDB and Relational Databases within AWS .................................... 29
6.4.4 Data Storage in Amazon SimpleDB vs. Data Storage in Amazon S3 ..................... 30
6.4.5 Calculating Your Storage Needs ............................................................................. 30
6.4.6 Machine Utilization Example ................................................................................... 30
7. Running RHEL Virtual Servers as EC2 Instances .............................................................. 32
7.1 Introduction ................................................................................................................... 32
7.2 EC2 Constraints ............................................................................................................ 32
7.3 Getting Started Overview .............................................................................................. 33
7.4 Start & Configuring the Initial Instance .......................................................................... 34
7.5 Storing the Configured Image ....................................................................................... 34
7.6 Future Configuration & Maintenance of Images ............................................................ 34
7.7 Kernel Update Notice .................................................................................................... 34
7.8 Pay for What You Use ................................................................................................... 35
8. A Step-by-Step Guide to Setting up and Running RHEL AMIs in EC2 Instances ............... 36
8.1 Setting up your Amazon Web Services (AWS) Account ................................................ 36
8.2 Obtaining Tools and Setting Up Environment ................................................................ 37
8.3 Starting and Stopping Instances .................................................................................... 38
9. References ......................................................................................................................... 40
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