WebSocket はどれくらい通じるのかの統計 / websocket-connectivity-survey

Transcript

1. WebSocket ͸ͲΕ͘Β͍
   ௨͡Δͷ͔ͷ౷ܭ
   © Tsukuru Tanimichi (@ttanimichi), 2017 1
   

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2. TL;DR
   • Jxck ͞Μͷϒϩά
   • Socket.IO ͸ඞཁ͔?ʯ·ͨ͸ʮWebSocket ͸௨
   Δͷ͔?ʯ໰୊ʹ͍ͭͯ 2016 ೥൛
   • ੜͷ WebSocket ͸ͲΕ͘Β͍௨͡Δͷ͔
   • production Ͱ౷ܭΛग़ͨ͠ͷͰ݁ՌΛڞ༗͠·͢
   © Tsukuru Tanimichi (@ttanimichi), 2017 2
   

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3. TL;DR
   • ౷ܭΛग़ͨ݁͠Ռɺ
   • 0.1 %͘Β͍͕௨͡ͳ͍
   • ڐ༰Ͱ͖Δཁ݅ͳΒੜͷ wss Ͱྑ͍͔΋
   • ActionCable Λ࢖͏ਓ͸ཹҙ͠·͠ΐ͏Ͷ
   © Tsukuru Tanimichi (@ttanimichi), 2017 3
   

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4. WebSocket ͬͯ IE11 Ҏ߱ͳΒ
   ࢖͑ΔΜ͡Όͳ͔͚ͬͨͬʁ
   © Tsukuru Tanimichi (@ttanimichi), 2017 4
   

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5. ωοτϫʔΫͷ໰୊Ͱ௨͡ͳ͍
   • Connection: Upgrade ϔομͰ઀ଓΛམͱ͢ Proxy
   ΍ LB ΍ Firewall
   • ௕࣌ؒ઀ଓ͞Ε͍ͯΔ TCP ίωΫγϣϯΛམͱ͢
   ύʔιφϧϑΝΠΞ΢Υʔϧ
   ৄ͘͠͸ Jxck ͞ΜͷϒϩάΛಡΜͰ͍ͩ͘͞
   https://blog.jxck.io/entries/2016-08-22/websocket-
   connectivity.html
   © Tsukuru Tanimichi (@ttanimichi), 2017 5
   

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6. ߏ੒ͱௐࠪํ๏
   • Socket.IO (Node.js)
   • WebSocket ͕௨͡Ε͹ WebSocket (wss)
   • ௨͡ͳ͚Ε͹ HTTP (polling) ʹϑΥʔϧόοΫ
   • ΫϥΠΞϯτ͔ΒͷϝοηʔδΛड৴ͨ࣌͠ʹ
   WebSocket Ͱ௨৴͍ͯ͠Δ͔ɺͦΕͱ΋ HTTP Ͱ
   ϑΥʔϧόοΫ͍ͯ͠Δͷ͔ϩάʹు͍ͨ
   © Tsukuru Tanimichi (@ttanimichi), 2017 6
   

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7. ߏ੒ͱௐࠪํ๏
   • ͜ͷൃදͰ͸ɺΫϥΠΞϯτ͕ WebSocket ʹରԠ
   ͍ͯ͠ͳ͍৔߹͸ର৅ͱ͠·ͤΜ
   • εϚϗͷωΠςΟϒΞϓϦͰɺsocket.io-client Λ
   ࢖͍·ͨ͠
   • ϥΠϒϥϦΛ࢖͍ͬͯΔͷͰΫϥΠΞϯτ͸
   WebSocket Λඞͣ࢖͑Δ
   © Tsukuru Tanimichi (@ttanimichi), 2017 7
   

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8. ౷ܭ݁Ռ
   transport count
   websocket 106,592
   polling 112
   ໿ 0.1 % ͕ HTTP (polling) ʹϑΥʔϧόοΫ
   © Tsukuru Tanimichi (@ttanimichi), 2017 8
   

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9. མͪͯͨ connection ͷ ISP
   © Tsukuru Tanimichi (@ttanimichi), 2017 9
   

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10. ·ͱΊ
    • ΋͠ HTTP ͰϑΥʔϧόοΫͯ͠ͳ͔ͬͨΒ 0.1 %
    ͕ ܨ͕Βͳ͍
    • ΆͭΆͭαϙʔτʹ໰͍߹Θͤͱ͔དྷͦ͏
    • ActionCable ʹϑΥʔϧόοΫ௥Ճͯ͘͠ΕΔ
    gem ͱ͔ͳ͍ΜͰ͔͢Ͷ
    © Tsukuru Tanimichi (@ttanimichi), 2017 10
    

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11. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    © Tsukuru Tanimichi (@ttanimichi), 2017 11
    

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