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sonatard
November 14, 2017

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sonatard

November 14, 2017
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  1. 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
  2. • F o r k • S o f t

    f o r k • H a r d f o r k
  3. • F o r k • S o f t

    f o r k • H a r d f o r k
  4. 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
  5. 6 'PSL w ϒϩοΫνΣʔϯࣗମʹ࢓༷มߋ͕ೖΔ ৔߹ʹ΋'PSL͢Δ͜ͱ͕͋Δɻ w 4PGUGPSL w )BSEGPSL w

    4PGUGPSL͔)BSEGPSL͔͸ҎԼͷ৚͔݅Βಋ ͖ग़ͤΔɻ w ࢓༷มߋʹޙํޓ׵ੑ͕͋Δ͔ w ϚΠφʔ͕৽࢓༷Λࢧ͍࣋ͯ͠Δׂ߹
  6. • F o r k • S o f t

    f o r k • H a r d f o r k
  7. 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
  8. 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
  9. • F o r k • S o f t

    f o r k • H a r d f o r k
  10. 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
  11. 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
  12. 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߹