Presentation I gave on Jan 13th, 2009 at http://www.houstonrb.com/ on cloud computing.

1. Harnessing The Cloud
Dan Quellhorst

2. The Cloud
Unlimited
Servers
Bandwidth
Storage
Pay for what you use

3. Amazon EC2 Servers
Small - 1.7GB RAM, 1 Core, $73/month
Good for app server
High CPU Medium - 1.7 GB, 2 Cores, $146
Good For Small DB
Large - 7.5GB, 2 Cores, $292
XL - 15 GB, 8 Cores, $584

4. Bandwidth Prices
Cogent < $10/mbps
Amazon S3 ~ $32/mbps, <=$.17/gb

5. S3 Storage
Fast
Reliable 99.99% availability
stored in 3 different locations
Scalable from < 1mb to many terabytes
<= $.15 per GB/month

6. MySQL in the Cloud
MySQL Master
Stored on EBS & 5 min snapshots stored on S3
MySQL Slave
good for running reports or backup

8. Failover
Nagios for system monitoring
SiteUptime.com for SMS alerts
DNSMadeEasy.com for intelligent DNS

12. Idempotent Configuration
Puppet for auto configuration
http://reductivelabs.com/projects/puppet/
A basic image is started and puppet
configures everything

14. Recommended Setup
2 Application Server Front Ends & Elastic IPs
Replicated Database Master/Slave config
DNS Made Easy with Failover
CloudFront for Content Delivery
Amazon S3 for backups
Email Via Google Apps For Your Domain

15. VS Building Out Yourself
Don’t have to buy equipment or fix broken
equipment
Don’t have to negotiate deals on bandwidth
No worries on power/cooling
Costs are spread out and billed after you
consume the resources

16. Features Coming Soon
http://aws.amazon.com/contact-us/new-features-for-amazon-ec2/
Load Balancing
Auto-scaling
Monitoring

17. Other Amazon Services
Simple DB
Simple Queue Service

18. Whats The Cost?
4 Servers for redundant application servers
and database servers ~$292/month
Poor man’s single server setup ~$73/month
Someone to monitor/keep it running? $300/
month

19. Any Questions?
email: dan@abtain.com
twitter: quellhorst