AmazonWeb Services

Nikolay TomitovTechnical TrainerSoftAcad.bg

What are Amazon Web services (AWS) ? What’s cool when developing with AWS ? Architecture of AWS Quota & Pricing Amazon Web Services Demo application Deploying Simple Applications

Topics Today

Simple Storage Service (S3)◦ Provides limitless storage of large files in the cloud

Elastic Compute Cloud (EC2)◦ Provides virtual machine instances called Amazon Machine

Instances

◦ Ability to create AMI’s on the fly according to demand

Simple Queue Service (SQS)◦ Provides reliable messaging between any applications using AWS

Amazon EBS Amazon Cloud Front

◦ Think of this as a simple web server for static content

Amazon SimpleDB, and others …

What are These AWS ?

Services are provided over Web

Communication is web-service based

Communication interface API has been designed to be simple and effective

Three kinds of interfaces: REST, Query & SOAP based

Authentication embedded in each message

AWS Key Features

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Standard On-Demand Instances

Small (Default) $0.090 per Hour $0.115 per Hour

Medium $0.180 per Hour $0.230 per Hour

Large $0.360 per Hour $0.460 per Hour

Extra Large $0.720 per Hour $0.920 per Hour

Prices

http://aws.amazon.com/ec2/pricing/

Ability to increase or decrease capacity within minutes

Ability to commission one, hundreds, or even thousands of server instances simultaneously

A web service API to control the scaling of instances depending on your needs

A “pay only for what you use” pricing model

Elastic ComputeCloud (EC2)

Highly available and highly reliable storage volumes◦ From 1GB to 1TB

◦ Mounted as devices by EC2 instances

Use them as hard drives Created in specific availability zone Automatically replicated Performance metrics (Amazon

CloudWatch) $0.10 per 1 million I/O requests you

make to your volume

Amazon Elastic Block Store (EBS)

Backups of your data lying in Amazon S3

Incremental

Loaded lazily

Shared

Amazon EBS Snapshots

Amazon SimpleQueue Service

(SQS)

Simple Queue Service

Provides reliable messaging between any applications using AWS

Multiple writers and readers◦Multiple parts of your system can send or

receive messages at the same timeConfigurable properties and access control

Messages are stored in distributed environment◦To facilitate reliable delivery

SQS Features

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EC2 & SQS

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EC2 & SQS

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EC2 & SQS

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EC2 & SQS

Web service that makes it easy to set up, operate, and scale a relational database in the AWS cloud

◦Currently supporting Oracle and MySQL

Simple to deploy

Scalable & reliable

Secure

Amazon Relational Database Service

(RDS)

Stores textual information in a simple database structure

Does not mandate schema for database Indexes information to facilitate faster

query Stores data securely and reliably across

multiple data centers No limits on amount of data

SimpleDB

Offers secure online storage system for any kind of data

Data is universally accessible over the Web

No limits on amount of data, longevity or bandwith for transfer or publish

Scalable, distributed system◦Stores data redundantly across

geographically separated data centers

Simple StorageService (S3)

A relational database service with minimal administration ? ( Amazon RDS )

A fast, highly scalable NoSQL database service ? ( Amazon DynamoDB )

A NoSQL database service for smaller datasets ? ( Amazon SimpleDB )

A relational database you can manage on your own ( Amazon EC2 + Amazon EBS )

Data Storage in Amazon ?

Easy setup, operate and send notifications from the cloud !

Highly scalable, flexible, cost-effective

Broad protocol choice (HTTP,email, SMS, etc.)

Best for event-driven workflows

“Pull” mechanism

Amazon Simple Notification

Service (SNS)

DEMO APPLICATION

Live Demo

Authoritative Domain Name System (DNS) service

Well documented and easy to setup

Amazon Route 53

Web service for content delivery (CDN)

Supports edge locations

Map domain name to distribution

Fast, simple, elastic, reliable, global and cost-effective

Amazon CloudFront

Supports Adobe’s Flash and Windows Media Services

Benefits to end users – close; easy to pause, rewind; different encodings

Wide variety of formats

CloudFront and Streaming

Distributions

Hosting your most frequently accessed website components

Distributing software

Publishing popular media files

Some use cases for Amazon CloudFront

The problem with databases ?

Memcached solution

Implements Memory Caching system by caching repetitive queries

Easy to setup, manage, scale

Each cluster has one or more cache nodes

Amazon ElastiCache

Questions ?

Follow the tutorial at: http://whatiscomingtomyhead.wordpress.com/2010/11/24/absolute-first-step-tutorial-for-amazon-web-services/

1. Sign up to Amazon AWS

2. Create an EC2 machine with Linux

3. Connect and install Apache Web Server

4. Test the Apache Web Server's Home Page

Submit the URL of your Apache Web server in the AWS cloud.

Homework: Try EC2

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Create a simple application in C#, Java, PHP or other language to upload / download a file in Amazon S3. Follow these tutorials:

1. http://docs.amazonwebservices.com/AmazonS3/latest/gsg/

2. http://docs.amazonwebservices.com/AmazonS3/latest/dev/UploadInSingleOp.html

3. http://docs.amazonwebservices.com/AmazonS3/latest/dev/GettingObjectsUsingAPIs.html

Homework: Try S3