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WebSocket はどれくらい通じるのかの統計 / websocket-connectivity-survey
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Tsukuru Tanimichi
May 18, 2017
Technology
0
530
WebSocket はどれくらい通じるのかの統計 / websocket-connectivity-survey
Tsukuru Tanimichi
May 18, 2017
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Transcript
WebSocket ͲΕ͘Β͍ ௨͡Δͷ͔ͷ౷ܭ © Tsukuru Tanimichi (@ttanimichi), 2017 1
TL;DR • Jxck ͞Μͷϒϩά • Socket.IO ඞཁ͔?ʯ·ͨʮWebSocket ௨ Δͷ͔?ʯʹ͍ͭͯ 2016
൛ • ੜͷ WebSocket ͲΕ͘Β͍௨͡Δͷ͔ • production Ͱ౷ܭΛग़ͨ͠ͷͰ݁ՌΛڞ༗͠·͢ © Tsukuru Tanimichi (@ttanimichi), 2017 2
TL;DR • ౷ܭΛग़ͨ݁͠Ռɺ • 0.1 %͘Β͍͕௨͡ͳ͍ • ڐ༰Ͱ͖Δཁ݅ͳΒੜͷ wss Ͱྑ͍͔
• ActionCable Λ͏ਓཹҙ͠·͠ΐ͏Ͷ © Tsukuru Tanimichi (@ttanimichi), 2017 3
WebSocket ͬͯ IE11 Ҏ߱ͳΒ ͑ΔΜ͡Όͳ͔͚ͬͨͬʁ © Tsukuru Tanimichi (@ttanimichi), 2017
4
ωοτϫʔΫͷͰ௨͡ͳ͍ • Connection: Upgrade ϔομͰଓΛམͱ͢ Proxy LB Firewall
• ࣌ؒଓ͞Ε͍ͯΔ TCP ίωΫγϣϯΛམͱ͢ ύʔιφϧϑΝΠΞΥʔϧ ৄ͘͠ Jxck ͞ΜͷϒϩάΛಡΜͰ͍ͩ͘͞ https://blog.jxck.io/entries/2016-08-22/websocket- connectivity.html © Tsukuru Tanimichi (@ttanimichi), 2017 5
ߏͱௐࠪํ๏ • Socket.IO (Node.js) • WebSocket ͕௨͡Ε WebSocket (wss) •
௨͡ͳ͚Ε HTTP (polling) ʹϑΥʔϧόοΫ • ΫϥΠΞϯτ͔ΒͷϝοηʔδΛड৴ͨ࣌͠ʹ WebSocket Ͱ௨৴͍ͯ͠Δ͔ɺͦΕͱ HTTP Ͱ ϑΥʔϧόοΫ͍ͯ͠Δͷ͔ϩάʹు͍ͨ © Tsukuru Tanimichi (@ttanimichi), 2017 6
ߏͱௐࠪํ๏ • ͜ͷൃදͰɺΫϥΠΞϯτ͕ WebSocket ʹରԠ ͍ͯ͠ͳ͍߹ରͱ͠·ͤΜ • εϚϗͷωΠςΟϒΞϓϦͰɺsocket.io-client Λ ͍·ͨ͠
• ϥΠϒϥϦΛ͍ͬͯΔͷͰΫϥΠΞϯτ WebSocket Λඞͣ͑Δ © Tsukuru Tanimichi (@ttanimichi), 2017 7
౷ܭ݁Ռ transport count websocket 106,592 polling 112 0.1 %
͕ HTTP (polling) ʹϑΥʔϧόοΫ © Tsukuru Tanimichi (@ttanimichi), 2017 8
མͪͯͨ connection ͷ ISP © Tsukuru Tanimichi (@ttanimichi), 2017 9
·ͱΊ • ͠ HTTP ͰϑΥʔϧόοΫͯ͠ͳ͔ͬͨΒ 0.1 % ͕ ܨ͕Βͳ͍ •
ΆͭΆͭαϙʔτʹ͍߹Θͤͱ͔དྷͦ͏ • ActionCable ʹϑΥʔϧόοΫՃͯ͘͠ΕΔ gem ͱ͔ͳ͍ΜͰ͔͢Ͷ © Tsukuru Tanimichi (@ttanimichi), 2017 10
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ © Tsukuru Tanimichi (@ttanimichi), 2017 11