Achieving Appropriate Values for Quality Attributes

Tactics

General tactic

General tactic - analysis

Publish/Subscribe

Tactic description

Availability Tactics

Testability tactics

Usability tactics

Tactics and Architectural Patterns

Active Object Pattern

Patterns

Binding times for tactics

Problem

MicroKernel

MicroKernel

Activity diagram – system parts

System view

Known use – QNX - RTOS

Messaging in QNX

MicroKernel Database Engine