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Copyright © 2011 by Forward Internet Group, Ltd 1
Really Rapid Deployment
Fred George
Forward Internet Group, London
Copyright © 2011 by Forward Internet Group, Ltd 2
Experiences at...
Copyright © 2011 by Forward Internet Group, Ltd 3
forwardtechnology.co.uk
Copyright © 2011 by Forward Internet Group, Ltd 4
Cost Tradeoff
Defect
Prevention
Fast
Failure
Copyright © 2011 by Forward Internet Group, Ltd
Key Enablers
✦Focus on cycle time (and Fast Failure)
✦Risk-oriented culture
✦Focus on business metrics by developers
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✦Rapid creation of new servers
✦Redundancy for capacity and reliability
✦ Including DNS updates
Copyright © 2011 by Forward Internet Group, Ltd 6
Forward “Hockey Stick”
Copyright © 2011 by Forward Internet Group, Ltd
Experimentation drives
Innovation✦Forward experimented with “Cloud”
✦AWS VM up in 5 minutes
✦Data center VM up in 1/2 day
✦ IT controversy ensued
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Copyright © 2011 by Forward Internet Group, Ltd 8
CustomerDevelopersIT Support✦Self-contained group to:
✦Self-configure servers
✦Self-deploy (often)
✦Self-monitor & -maintain
Copyright © 2011 by Forward Internet Group, Ltd
AWS Features We Use
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Agency
✦ Over 20 EC2
instances
✦ node.js
✦ 20M visitors/day
✦ ELB across
different zones
✦ S3 & CloudFront
for assets
uSwitch
✦Original .NET
✦Migrating tech to
Ruby, Clojure,
MongoDB
✦20 EC2 instances
✦+ ELB, S3, RDS,
CloudFront
InvisibleHand
✦EC2 for stack
✦Ruby, MySQL,
MongoDB
✦EBS for DB backup
✦S3 to snapshot
✦Autoscaling for
traffic spikes
Copyright © 2011 by Forward Internet Group, Ltd
Features We Want
✦DNS - Like UltraDNS (location specific)
✦Better Web console
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✦Ruby-, Clojure-specific environments
Features We Don’t/Won’t
Use
Copyright © 2011 by Forward Internet Group, Ltd
Statistics -- Tale of the
Tape✦20M requests per day
✦At least 50 EC2 instances running at any given
time
✦Serving
✦200 clients
✦30 countries
✦25 languages
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Copyright © 2011 by Forward Internet Group, Ltd
Best Practices
✦Use multiple availability zones and regions
✦For uptime
✦Use Autoscaling for spikes
✦EC2 instances disposable
✦Build your architecture to accommodate losses
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