ROC Part 4: Create and Evaluate Techniques to help ACME
Need a theory on constructing dependable, maintainable sites for networked services
- Document best practices of successful sites?
Need a theory on good design for operators as well as good design for end users
- Airplane Analogy: user interface to passengers (747) vs. user interface to pilots (Cessna)
Need new definition of failure
- Need IT equivalent of PSTN “blocked calls”?
- PSTN switches required to collect blocked calls; why not Internet switches too?
- Failure > unavailable for 100% of users: (e.g., available to 10% of users is not “up”)