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1. 1 'PSL 
   CMPDLDIBJOUPLZP
   
   !TPOBUBSE
2. Engineer Kensuke Sano @sonatard • University • Linux Server and Network Engineer • Canon • Develop Wireless LAN Module Simulator with SystemC • Develop TCP/IP protocol stack on RTOS • Go in my free time • Mercari/Souzoh • Google App Engine Go Engineer • Next Currency • Google App Engine Go Engineer • Develop Trade System
3. • F o r k • S o f t f o r k • H a r d f o r k
4. • F o r k • S o f t f o r k • H a r d f o r k
5. 5 'PSL w ϒϩοΫνΣʔϯ͕෼ذ͢Δ͜ͱɻ
   w ଟ͘ͷϚΠφʔ͕ಉ࣌ʹϚΠχϯά͍ͯ͠ ΔͨΊɺҟͳΔϒϩοΫ͕ੜ੒͞Εͯҙਤ ͤͣʹ෼ذ͢Δ͜ͱ͕͋Δɻ
   w ͨͩ͠#JUDPJOͰ͸ɺ௕͍νΣʔϯΛϝΠ ϯνΣʔϯͱ͢Δ࢓༷͕͋Γɺ୹͍νΣʔ ϯ͸ΦʔϑΝʔϒϩοΫͱͯ͠ഁغ͞ΕΔɻ ΦʔϑΝϯϒϩοΫΛϚΠχϯάͯ͠΋ใ ु͸ಘΒΕͳ͍ɻ
   w ͦͷͨΊϚΠφʔ͸ຊͷνΣʔϯΛ৳͹ ͢ΠϯηϯςΟϒ͕ಇ͖ɺແҙຯʹ෼ذ ͢Δ͜ͱ͸ͳ͍ɻ
   
6. 6 'PSL w ϒϩοΫνΣʔϯࣗମʹ࢓༷มߋ͕ೖΔ ৔߹ʹ΋'PSL͢Δ͜ͱ͕͋Δɻ
   w 4PGUGPSL
   w )BSEGPSL
   w 4PGUGPSL͔)BSEGPSL͔͸ҎԼͷ৚͔݅Βಋ ͖ग़ͤΔɻ
   w ࢓༷มߋʹޙํޓ׵ੑ͕͋Δ͔
   w ϚΠφʔ͕৽࢓༷Λࢧ͍࣋ͯ͠Δׂ߹
   
7. • F o r k • S o f t f o r k • H a r d f o r k
8. 8 4PGUGPSL w ϒϩοΫνΣʔϯʹޙํޓ׵ੑͷ͋Δม ߋΛՃ͑ͨ࣌ʹൃੜ͢ΔϒϩοΫνΣʔ ϯͷ෼ذͷܗଶ
   w ޙํޓ׵ੑͷ͋Δมߋͱ͸ɺطଘ࢓༷Α Γ΋ݫ͍͠ϧʔϧΛઃ͚Δ͜ͱΛࢦ͢ɻ
   w Ұ࣌తʹ͸ͭͷνΣʔϯʹ෼ذ͢Δ͕ɺ ৽͍͠࢓༷͕Ҏ্ͷϚΠφʔͷࢧ࣋ ΛಘΒΕΕ͹ຊͷνΣʔϯʹऩଋ͢Δɻ
9. 9 4PGUGPSL
   
   ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ͷ৔߹ w چ࢓༷Λࢧ࣋ͨ͠ϚΠφʔ
   w શһ͕-FHBDZνΣʔϯΛ۷ΔͷͰɺ -FHBTZνΣʔϯ͚͕ͩ৳ͼΔɻ
   w ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ
   w ϚΠφʔ͕͍ͳ͍ͷͰνΣʔϯ͸ܨ͕ Βͳ͍ /FX -FHBDZ ෼ذ͞Εͳ͍
10. 10 4PGUGPSL
    
    ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ͷ৔߹ w چ࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w -FHBDZ΋/FX΋༗ޮͳνΣʔϯ
    w ݸʑͷϚΠφʔ͸ͲͪΒΛ۷ͬͯ΋Α ͍
    w -FHBDZνΣʔϯ͕৳ͼΔͷͰ-FHBDZΛ ۷Δ͜ͱʹͳΔɻ
    w ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w چ࢓༷͸ҧ൓ͨ͠νΣʔϯͳͷͰɺ୹͔ͬ ͨͱͯ͠΋/FXνΣʔϯΛ۷Δɻ /FX -FHBDZ ෼ذ͞ΕΔ
11. 11 4PGUGPSL
    
    ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ͷ৔߹ w چ࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w -FHBDZ΋/FX΋༗ޮͳνΣʔϯ
    w ݸʑͷϚΠφʔ͸ͲͪΒΛ۷ͬͯ΋Α͍
    w /FXνΣʔϯͷࢧ࣋ऀ͕ଟ͍ͨΊ/FXνΣʔ ϯΛ۷Δ
    w ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w چ࢓༷͸ҧ൓ͨ͠νΣʔϯͳͷͰɺ/FX νΣʔϯΛ۷Δɻ /FX -FHBDZ ෼ذ͞Εͳ͍ ΦʔϑΝϯϒϩοΫʹͳΔ
12. 12 4PGUGPSL
    
    ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ͷ৔߹ w چ࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w ϚΠφʔ͕ଘࡏ͠ͳ͍ͨΊ-FHBDZνΣʔ ϯ͸৳ͼͳ͍
    w ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w ͢΂ͯͷϚΠφʔ͕ࢧ͍࣋ͯ͠ΔͨΊɺ /FXνΣʔϯͷΈ৳ͼΔ /FX -FHBDZ ෼ذ͞Εͳ͍
13. 13 4PGUGPSL·ͱΊ w Ұ࣌తʹ͸෼ذ͢Δ͕ɺ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ଟ਺೿ʹͳΕ͹࠷ऴత ʹ͸ຊʹऩଋ͢Δɻ
    w ͦͷͨΊ4PGUGPSL͸҆શͱݴΘΕ͍ͯΔɻ
    w ΋͠ϒϩοΫνΣʔϯʹޙํޓ׵ੑͷ͋ΔΞοϓσʔτ͕ೖͬͨ৔߹ʹ͸ɺ ϚΠφʔͱͯ͠͸ଈ࠲ʹҠͬͨํ͕Α͍ɻ
14. • F o r k • S o f t f o r k • H a r d f o r k
15. 15 )BSEGPSL w ϒϩοΫνΣʔϯʹޙํޓ׵ੑͷͳ͍มߋ ΛՃ͑ͨ࣌ʹൃੜ͢ΔϒϩοΫνΣʔϯͷ ෼ذͷܗଶ
    w ޙํޓ׵ੑͷͳ͍มߋͱ͸طଘ࢓༷Λ؇Ί ͨϧʔϧΛઃ͚Δ͜ͱΛࢦ͢ɻ
    w dͷϚΠφʔ͕৽ϧʔϧΛࢧ࣋͠ ͨ࣌ʹ෼ذ͕Ӭଓతʹൃੜ͢Δɻ
    w ͷϚΠφʔ͕৽ϧʔϧʹҠߦ͢Δ͜ ͱͰچνΣʔϯ͸ఀࢭ͢Δ͕ɺݱ࣮తͰ͸ ͳ͍ɻ
16. 16 )BSEGPSL
    
    ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ͷ৔߹ w چ࢓༷Λࢧ࣋ͨ͠ϚΠφʔ
    w શһ͕-FHBDZνΣʔϯΛ۷ΔͷͰɺ -FHBTZνΣʔϯ͚͕ͩ৳ͼΔɻ
    w ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ
    w ϚΠφʔ͕͍ͳ͍ͷͰνΣʔϯ͸ܨ͕ Βͳ͍ /FX -FHBDZ ෼ذ͞Εͳ͍
17. 17 )BSEGPSL
    
    ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ͷ৔߹ w چ࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w /FX͸ҧ൓ͨ͠νΣʔϯͳͷͰɺ୹͔ͬ ͨͱͯ͠΋-FHBDZνΣʔϯΛ۷Δɻ
    w ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w -HBDZ΋/FX΋ͲͪΒ΋༗ޮͳνΣʔϯ
    w -FHBDZ͕Ұ൪௕͍νΣʔϯͳͷͰɺ -FHBDZνΣʔϯʹ৽࢓༷ͷϒϩοΫΛ৳ ͹ͯ͠෼ذ͢Δ͕ɺ͙͢ΦʔϑΝϯϒϩο ΫʹͳΔɻ /FX -FHBDZ ͔ᷮͳ͚࣌ؒͩ෼ذ͞ΕΔ͕ଓ͔ͳ͍
18. 18 )BSEGPSL
    
    ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ͷ৔߹ w چ࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w /FX͸ҧ൓ͨ͠νΣʔϯͳͷͰɺ୹͔ͬ ͨͱͯ͠΋-FHBDZνΣʔϯΛ۷Δɻ
    w ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w -HBDZ΋/FX΋ͲͪΒ΋༗ޮͳνΣʔϯ
    w Λ௒͑ͨ͜ͱͰɺ/FX͕Ұ൪௕͍ νΣʔϯʹͳΔɻ
    /FX -FHBDZ ෼ذ͞ΕΔ
19. 19 )BSEGPSL
    
    ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔ͕ͷ৔߹ w چ࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w ϚΠφʔ͕ଘࡏ͠ͳ͍ͨΊ-FHBDZνΣʔ ϯ͸৳ͼͣఀࢭ͢Δɻ
    w ৽࢓༷Λࢧ࣋ͨ͠ϚΠφʔࢹ఺
    
    w ͢΂ͯͷϚΠφʔ͕ࢧ͍࣋ͯ͠ΔͨΊɺ /FXνΣʔϯͷΈ৳ͼΔ /FX -FHBDZ ෼ذͨ͠ঢ়ଶͰ-FHBDZ͕ఀࢭ
    /FX͚ͩ৳ͼ͍ͯ͘
20. 20 )BSEGPSL·ͱΊ w ࠷ऴతʹ෼ذ͢ΔͨΊɺผͷνΣʔϯ͕Ͱ͖Δ͜ͱʹͳΔɻ
    w ͷϚΠφʔ͕৽ϧʔϧʹҠߦ͢Δ͜ͱͰچνΣʔϯ͸ఀࢭ͢Δ͕ɺͲ ͪΒͷνΣʔϯ΋ࢿ࢈తͳՁ஋Λ࣋ͭͨΊ׬શʹҠߦ͢Δ͜ͱ͸ݱ࣮తͰ͸ ͳ͍ɻ
    w #5$͔Β#$)͕'PSLͨ͠ΒϚΠφʔ͸ใु͕ߴ͍ํΛ۷Δɻ
    
21. 21 ·ͱΊ w 4PGUGPSLͱ)BSEGPSLͷେ͖ͳҧ͍͸ɺա൒਺ͷϚΠφʔ͕৽࢓༷Λࢧ࣋ͨ͠ ࣌ʹ෼ذ͢Δ͔Ͳ͏͔
    w 4PGUGPSLˠ෼ذ͠ͳ͍
    w )BSEGPSLˠ෼ذ͢Δ
    w 4PGU'PSL͔)BSEGPSL͔͸ɺҎԼͷ৚͔݅Βಋ͖ग़ͤΔɻ
    w ࢓༷มߋʹޙํޓ׵ੑ͕͋Δ͔
    w ϚΠφʔ͕৽࢓༷Λࢧ͍࣋ͯ͠Δׂ߹