1. Real-time
Collaborative
Development:
At the Extremities of Extreme
Image © Christopher Michot
Julian Fitzell

2. col·lab·o·ra·tion /kəˌlabəˈrāSHən/
n. The act of working with others to
create or achieve something.

4. Collaboration
bandwidth
• SalesForce - outsource your infrastructure and
app maintenance to another - not bandwidth
• Twitter - Narrow band - cope with many
interactions
• Facebook - widening bandwidth - those with
1,500 friends are about Narrow but those with
20 are much broader
• Online Gaming - WoW - play people you don’t
know or with friends but it is immersive

7. Online Gaming
• fine-grained collaboration
• immersion
• transparency / feedback
• flow / transitions

14. A Simple Idea
What if we allowed a group of
developers to simultaneously develop
the same running application?

15. fine-grained
collaboration

20. Roam territory Wolf Pack
Programming ™
Search for a herd
Test prey animals

21. If it takes flight,
whole pack chases
If it stands, pack circles,
two wolves attack
Select easiest
prey

22. Roam territory
Search for a herd
Test prey animals

23. Roam problem domain / code base
Search for a herd
Test prey animals

24. Roam problem domain / code base
Search for a requirement / feature
Test prey animals

25. Roam problem domain / code base
Search for a requirement / feature
Test spikes

26. If it takes flight,
whole pack chases
If it stands, pack circles,
two wolves attack
Select easiest
prey

27. If it takes flight,
whole pack chases
If it stands, pack circles,
two wolves attack
Select easiest
implementation

28. If close to a solution, whole
pack programs (flight)
If it stands, pack circles,
two wolves attack
Select easiest
implementation

29. If close to a solution, whole
pack programs (flight)
If it fights back, two wolves
program; others rest (stand-off)
Select easiest
implementation

30. immersion

31. immersion
• attention focused
• mentally invested
• presence

32. theCode: is
^ [ :your | reality ]

33. Pairing
© Paul Stravinsky

34. Pairing
restricts your
view on the
world
© Paul Stravinsky

35. an d
in
t w le t
tr i p programming
pair

36. transparency

37. Heat and Scent
http://upload.wikimedia.org/wikipedia/commons/7/7d/Canis_lupus_tracks_in_sand.jpg

38. Continuous Testing

39. A wolf’s
concept of
territory
PD-USGOV-INTERIOR-NPS.

40. Open Channel
Image © Retron / Darren (flickr)

41. flow

43. [ Build fails ] Continuous
Integration [ Build succeeds with all tests passing ]
build
[ Build fails but quick fix ]
Revert changes Fix and commit Integration
complete
Repository Repeat
Start Sync local files Re-Sync local Commit local
files changes
[ All conflicts resolved ]
Test
Build locally
Refactor
Code

44. Repository Repeat
Start Spike Commit
Select Spike
changes
Test [ Build succeeds with all tests passing ]
Everyone
works on it
Refactor
Code

45. Repository Repeat
Start Spike Select Spike
Commit
changes
Test Everyone
[ Build succeeds with all tests passing ]
works on it
Code
Refactor

46. col·lab·o·ra·tion /kəˌlabəˈrāSHən/
n. The act of working with others to
create or achieve something.

47. © 2008 Ivan Tessier

48. Julian Fitzell
jfitzell@cincom.com
Twitter: @jfitzell
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