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Slide 1: Cloud Computing A Short Introduction Joe Drumgoole 25-Feb-09
Slide 2: Nothing New Under Sun
Slide 3: What’s Different • • • • • • • Prodigious growth in computing power Web Interfaces Retail broadband connections Cheap wholesale bandwidth LAMP stack Intel Hegemony Virtualisation
Slide 4: What Do You Get • Storage as a Service – Raw Storage, REST API, high latency • Platform as a Service – Linux, Windows, MySQL, Oracle, SQL-Server • Software as a Service – Salesforce, Google Apps, Media sites, Social Networks, Online Backup
Slide 5: What does it look like • Pricing based on consumption – Per User, Per GB, Per CPU Hour • • • • Elastic consumption The other side of your Firewall Accessed via HTML/HTTP/HTTPS This is the ONLY access you have
Slide 6: The benefits • • • • • • Capex to Opex Continuous Flexibility Uncapped Growth Capability Ideal for low latency blobs Backup for Existing Infrastructure Excellent for CDN deployments
Slide 7: The bad News • • • • • • The Data Problem The Programmer Problem The Britney Spears Problem The Bank Problem The GP Problem The End User Problem
Slide 8: The Players • • • • • • • • Amazon : Storage, Compute, CDN, DB Google: App Engine GoGrid: Storage, Compute Hosting 365: Storage and Compute Microsoft: Storage, Compute, DB, Identity IBM: ? Sun: ? HP: ?
Slide 9: Summary • • • • • • Elastic access to resources Entry cost is small Incremental cost is small Understand the legal implications Easy to create a single point of failure Be a follower not a leader!