A few months ago I published an article titled Ontology and Taxonomy of Services in a Service-Oriented Architecture in the Architecture Journal.

One table that did not make it into the article was the summary table below.

Category

State

Security

Errors

Build/Buy

Management

Messaging

Self

N/A

Limited

Buy

Centralized

Utility

Self

User/App

Limited

Buy

Centralized

Entity

System

User/App

Limited

Build

Centralized

Capability

None/Self

App

Meet SLE and SLA

B/B/Lease

Centralized

Activity

None/Self

App

Meet SLE and SLA

Build

Per app

Process

Process

User

Biz Logic

Build

Per app

Check the article out and tell me what you think.