20. CLOUD VS ON-PREMISE
THE CLOUD COMPUTING DIFFERENCE
▸ IT Assets Become Programmable Resources
▸ Global, Available, and Unlimited Capacity
▸ Higher Level Managed Services
▸ Security Built In
23. DESIGN PRINCIPLES
REMOVING SINGLE POINTS OF FAILURE
▸ Redundancy
▸ Detect Failure
▸ Durable Data Storage
▸ Automated Multi-Data Center Resilience
▸ Fault Isolation and Traditional Horizontal
Scaling
29. DESIGN PRINCIPLES
OPTIMIZE FOR COST
▸ Right Sizing
▸ Elasticity
▸ Take Advantage of the Variety of
Purchasing Options
▸ Spot Instances
▸ Reserved instances