Lessons Learned about Open Source
X and UNIX History
Timeline
What's going on here?
The Ages of X History
Prehistory
Prehistory-1983 and before
Ancient Times
X started in June 1984
Development style
Greece - X11 designed and built
Beware of Greeks Bearing Gifts!
Foundation of the X Consortium
Imperial Rome
Roman Empire
First was the X11 vs. NeWS War
Second -The Motif vs. Open Look War
Third -PHIGS vs. OpenGL
Final War: CDE (cruddy desktop env.)
Dark Ages
Before the Fall of the Empire...
Renaissance
Baroque
Modern Times
Open vs. closed source -Historic data
Netcraft web server survey - 6/2000
Why Now?
New Development Methodology - Better, Cheaper, Faster
Development Methodology - Better
Development Methodology - Cheaper
Development Methodology - Faster
Development Methodology - new feedback loops
Development Methodology - Linux example
Development Methodology -faster (2)
New Development Methodology - cultural
Methodology Weaknesses
Conclusions: Interoperability is Job One
Conclusions - Modularity, WiMPyness, and Religion
Life of the Internet
Closing Perspective
Hardware price trends
Where do we go from here?
Slide 45
Author: Jim Gettys
E-mail: jg@pa.dec.com
Further information: Usenix 2000 Invited Talk
