1. Dependability issues for Philips Medical systems Frank van der Linden

2. PMS, Frank van der Linden, 25/10/02, Dependability2 Overview Philips Medical Systems Dependability issues

3. PMS, Frank van der Linden, 25/10/02, Dependability3 Philips Medical Systems products Mainly diagnostic medical imaging and image processing systems: –X-ray, MR, CT, Ultra-sound, Nuclear Medicine, … Start with invasive systems Move towards one family approach to the complete set of products - services - solutions

4. PMS, Frank van der Linden, 25/10/02, Dependability4 Dependability issues (1) Legal requirements upon our system –FDA, EU Graceful degradation –Keep minimal capability available! Hardware redundancy User actions necessary?

5. PMS, Frank van der Linden, 25/10/02, Dependability5 Dependability issues (2) How to measure, feedback and improve dependability – requirements, architecture, process How to communication & describe dependability – for architects, designers, marketers How to test/validate dependability –We have multiple families of systems!

6. PMS, Frank van der Linden, 25/10/02, Dependability6 Dependability issues (3) Comparison & trade-off –between dependability issues who, when, how, what No systematic approach in our legacy systems –how to introduce dependability systematically –and when is the best opportunity to do so Software based upon COTS –can it be trusted