Brief overview of cloud computing for First Tuesday

1. Cloud Computing by @MATclayton

2. What is Cloud Computing?

3. Self Hosted

4. IAAS – Infrastructure As A Service

5. PAAS – Platform As A Service

6. SAAS – Software As A Service

7. Pro and Cons Advantages Disadvantages Scalable on demand Reduced costs Reduced maintenance Pay as you go Platform lock in Backups PCI Compliance / Audits IP blacklists Hidden hardware limits Quality of Service (internal ping times) Service Level Agreement Data location

8. Meeting Demand

9. Sudden Demand = FAIL

10. Convincing the CFO

11. It’s cheaper... Reasons Commodity hardware Specialist staff Better utilisation Enterprise 5-10% Cloud 25-50%

12. Further convincing the CFO

13. Final Predictions Start-up's will increasingly utilise cloud computing to stay flexible and scale Enterprises will take much longer to switch Clouds will become more responsive to traffic spikes Public clouds will gain more traction that private clouds Clouds will become increasingly cheaper than in-house systems Greater transparency to security system and audits

14. Flickr Love http://www.flickr.com/photos/versageek/ http://www.flickr.com/photos/allspaw/ http://www.flickr.com/photos/anniemole/ http://www.flickr.com/photos/sashawolff/ http://www.flickr.com/photos/colin_n/