Continual opening of
   Second Life
  Phoenix Linden (Aaron Brashears)
     Director, Studio DaBoom!
     Rob Linden (Rob ...
What is Second Life




                      2
It’s a Virtual World
    (not a game)
                ← World




                 ← Game

                          3
Collaborative Palette
for Content Creation




                        4
It’s Big




           5
It’s Big




           5
and Growing
                     LindeX
                     Concurrent
                     GDP
                     Land...
and Growing
                     LindeX
                     Concurrent
                     GDP
                     Land...
Ordinary People




                  7
A Lot!




         8
A Lot!
•   8,300,000 registered accounts

•   500,000 active residents

•   800,000 distinct items
    exchanged

•   26 m...
Even More
    •   669,921 hours use/day

    •   20% of time spent creating

    •   Millions of LOC/week

    •   76 user...
Even More
    •   669,921 hours use/day

    •   20% of time spent creating

    •   Millions of LOC/week

    •   76 user...
• Anshe Chung - Land Developer




                                 10
All just geeks?




                  11
All just geeks?



• Nearly gender balanced usage, Median age of 34


                                                   11
All just geeks?



• Nearly gender balanced usage, Median age of 34
• More use the older you are
  & at any age by women

...
All just geeks?



• Nearly gender balanced usage, Median age of 34
• More use the older you are
  & at any age by women
•...
Open Source
       •   Released viewer source
           code January, 2007

       •   Thousands of source
           dow...
Open the server?




                   13
Current Architecture




                       14
Simple Plan




              15
…and Global Data




                   16
…and Permanence




                  17
…and Communications




                      18
…and again




             19
…until we get




                20
Some Hot Spots

• C++
• Message Template
• Group IMs


                        21
Some Bad Ideas
• C++ CGI/Apache
• Global Identifier




                        22
Some Scale Issues
• Message
  Routing
• Neighbor
  Management
• Miscellaneous
  Cruft




                         23
Some Band-Aids
• Interface to Databases
• Various other glue logic




                             24
25
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Os Lanphier Brashears

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Transcript of "Os Lanphier Brashears"

  1. 1. Continual opening of Second Life Phoenix Linden (Aaron Brashears) Director, Studio DaBoom! Rob Linden (Rob Lanphier) Open Source Busybody Linden Lab 1
  2. 2. What is Second Life 2
  3. 3. It’s a Virtual World (not a game) ← World ← Game 3
  4. 4. Collaborative Palette for Content Creation 4
  5. 5. It’s Big 5
  6. 6. It’s Big 5
  7. 7. and Growing LindeX Concurrent GDP Land 100 million SQL queries per day ~50 terabytes of user-created data 10 gbits/second peak bandwidth 1 petabyte of total traffic/month 6
  8. 8. and Growing LindeX Concurrent GDP Land 2003 2004 2005 100 million SQL queries per day 2006 2007 ~50 terabytes of user-created data 10 gbits/second peak bandwidth 1 petabyte of total traffic/month 6
  9. 9. Ordinary People 7
  10. 10. A Lot! 8
  11. 11. A Lot! • 8,300,000 registered accounts • 500,000 active residents • 800,000 distinct items exchanged • 26 million p2p transactions • US$40 million GDP • US$7 million exchanged/month 8
  12. 12. Even More • 669,921 hours use/day • 20% of time spent creating • Millions of LOC/week • 76 user-years per day • 117,236 person content team • US$11.7 billion/year 9
  13. 13. Even More • 669,921 hours use/day • 20% of time spent creating • Millions of LOC/week • 76 user-years per day • 117,236 person content team • US$11.7 billion/year 9
  14. 14. • Anshe Chung - Land Developer 10
  15. 15. All just geeks? 11
  16. 16. All just geeks? • Nearly gender balanced usage, Median age of 34 11
  17. 17. All just geeks? • Nearly gender balanced usage, Median age of 34 • More use the older you are & at any age by women 11
  18. 18. All just geeks? • Nearly gender balanced usage, Median age of 34 • More use the older you are & at any age by women • 65% international (and growing) 11
  19. 19. Open Source • Released viewer source code January, 2007 • Thousands of source downloads, with many mirrors • 514 subscribers to open source mailing list • 135 patches accepted from 47 outside contributors 12
  20. 20. Open the server? 13
  21. 21. Current Architecture 14
  22. 22. Simple Plan 15
  23. 23. …and Global Data 16
  24. 24. …and Permanence 17
  25. 25. …and Communications 18
  26. 26. …and again 19
  27. 27. …until we get 20
  28. 28. Some Hot Spots • C++ • Message Template • Group IMs 21
  29. 29. Some Bad Ideas • C++ CGI/Apache • Global Identifier 22
  30. 30. Some Scale Issues • Message Routing • Neighbor Management • Miscellaneous Cruft 23
  31. 31. Some Band-Aids • Interface to Databases • Various other glue logic 24
  32. 32. 25

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