10 Key Measures of SOA Successful SOA Implementation

• Financial

– Revenue per service (currency/service)
– Service vitality index (amount of revenue from new services over the last 12 months compared to all service revenue) (%)

• Management

– Number of new services generated and used as a percentage of total services (%)
– Mean time to Service Development (MTTSD) (time)
– Mean time to Service Change (MTTSC) (time)
– Service Availability (%)

•  Project

– Service reuse (%)
– Cost of not using or stopping a service (currency, time)

• Service

– Service complexity, as measured through cyclomatic complexity (unit-less)
– Service quality assurance confidence, derived through service code coverage (%)