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WebRTCについて 調べてみました
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Kouji OKAMOTO
July 31, 2020
Technology
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WebRTCについて 調べてみました
株式会社グロービス社内LT資料 2020/07/31
Kouji OKAMOTO
July 31, 2020
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Transcript
NPDIBOH!גࣜձࣾάϩʔϏε 8FC35$ʹ͍ͭͯ ௐͯΈ·ͨ͠ 8FC35$ೖ̍िؒ
ࣗݾհ !NPUDIBOH w <Ԭຊߒ࣏TJUFXBOUFEMZDPN>ݕࡧ w ͏͙͢ࡀͰ͢ w ໌͔ΒՆٳΈͰ͢ w ίϩφ૽͗Ͱ༡ͼʹ͍͚ͳ͍ͷͰϋΠηϯεͷΠϯν57Λങ͍·ͨ͠ɻࠓ
ಧ͖·͢ɻ w ࢲ.#1ͷӷথ͕ࡢյΕ·ͨ͠ ŋ@ŋA
8FC35$ʹ͍ͭͯ 8JLJQFEJB͔Β w 8FC3FBM5JNF$PNNVOJDBUJPO w ΣϒϒϥβϞόΠϧΞϓϦέʔγϣϯʹγϯϓϧͳ"1*ܦ༝ͰϦΞϧλ ΠϜ௨৴ʢӳޠSFBMUJNFDPNNVOJDBUJPO35$ʣΛఏڙ͢Δࣗ༝͔ͭΦʔ ϓϯιʔεͷϓϩδΣΫτͰ͋Δɻ w ΣϒϖʔδͰϐΞɾπʔɾϐΞ௨৴Λߦ͏͜ͱʹΑͬͯɺϓϥάΠϯ
ͷΠϯετʔϧωΠςΟϒΞϓϦΛμϯϩʔυΛߦΘͳͯ͘ɺΣϒ ϒϥβؒͷϘΠενϟοτɺϏσΦνϟοτɺϑΝΠϧڞ༗ͳͲΛ࣮Ͱ ͖ΔΑ͏ʹͳΔ
ରԠϒϥβʢʣ IUUQTDBOJVTFDPNTFBSDIXFCSUD
*&Ҏ֎ εϚʔτϑΥϯඪ४ϒϥβͳΒಈ͘
ΩʔϙΠϯτ 8FC35$ɺ࣮ࡍ w ଓํࣜ w ϓϩτίϧ
ଓํࣜ 8FC35$Ͳ͏ͬͯܨ͕͍ͬͯΔͷ͔ w 8FC35$ͷଓํࣜ̏ͭ͋Δ w ϑϧϝογϡ w .$6 w 4'6
ଓํࣜ ϑϧϝογϡ w 11ͷԠ༻ͰΫϥΠΞϯτଆͷΈͰ࣮ݱՄೳ w ଓ͕૿͑Δͱૹड৴ઌ͕૿͑ΫϥΠΞϯτͷෛՙ͕૿͑Δ
ଓํࣜ .$6 w .$6 .VMUJQPJOU$POUSPM6OJU Ͱө૾ɾԻΛϛΩγϯά͢Δ w ଓ͕૿͑ͯૹड৴ઌͷ͕มΘΒͳ͍ͨΊɺΫϥΠΞϯτෛՙ૿ ͑ͳ͍͕ɺΘΓʹαʔόͷෛՙ͕૿͑Δ
ଓํࣜ 4'6 w 4'6 4FMFDUJWF'PSXBSEJOH6OJU Ͱө૾ɾԻΛίϐʔ͠৴ w ૹ৴ετϦʔϜଓʹؔͳ͘ຊͰ͋ΓɺΫϥΠΞϯτͷෛՙΛܰݮ Ͱ͖Δ w
8FC35$Ͱओྲྀͷܗࣜ
ଓํࣜ ࡾͭͷଓํࣜ https://webrtcglossary.com/mesh/
ΩʔϙΠϯτ 8FC35$ɺ࣮ࡍ w ଓํࣜ w ϓϩτίϧ
ϓϩτίϧ Ͳ͏ͬͯܨ͕͍ͬͯΔͷ͔ ࠓ͜͜·Ͱ
ϓϩτίϧ *$& 456/ 563/ w 456/ 4FTTJPO5SBWFSTBM6UJMJUJFTGPS/"5 w 6%1ϗʔϧύϯνϯά
w ެ։ͷΞυϨεۭؒʹ͋ΔୈͷطͷαʔόʹҰ୴ଓ͢Δ͜ͱͰ6%1ϙʔ τϚοϐϯάͱ૬खํͷ6%1ঢ়ଶΛཱ֬͠ɺҎޙύέοτ͕ҧ͏ϗετ͔ Βདྷ͍ͯͯ/"5σόΠε͕ঢ়ଶΛҡ࣋͢ΔͩΖ͏ͱظͯ͠ɺతͳ௨ ৴ʹΓ͑Δɻ w େاۀͰΑ͘ΘΕ͍ͯΔରশܕ/"5ʢํ/"5ʣͰɺ6%1ϗʔϧύ ϯνϯάػೳ͠ͳ͍ɻ
ϓϩτίϧ *$& 456/ 563/ w 563/ 5SBWFSTBM6TJOH3FMBZBSPVOE/"5 w 456/ͷ֦ு൛
w 6%1ϗʔϧύϯνϯά͕͑ͳ͍߹ w ެ։͞ΕͨαʔόʔʹଓɺҎޙαʔόʔܦ༝ͰύέοτͷΓͱΓΛߦ͏
ϓϩτίϧ *$& 456/ 563/ w *$&ʢ*OUFSBDUJWF$POOFDUJWJUZ&TUBCMJTINFOUʣ w ϗετؒͰଓΛཱ֬͢ΔͨΊʹ456/ͱ563/Λௐ͢Δํ๏ʹ͍ͭ ͯهड़ͨ͠แׅతͳඪ४ɻ
ͬͯΈΑ͏
ͬͯΈΑ͏ ͦͼཱ͑ͭน http://www.wata-lab.meijo-u.ac.jp/file/seminar/2017/2017-Semi1-Yuma_Kamoshita.pdf
༷Ͱ͔ͬ ŋ@ŋA
ศརͳ֎෦αʔϏε ڊਓͷݞͷ্ʹཱͭ w 0QFO5PL w IUUQTXXXWPOBHFCVTJOFTTKQDPNNVOJDBUJPOTBQJT JDNQNBJOOBW@@BQJ w 4LZ8BZ w
IUUQTXFCSUDFDMOUUDPN w 5XJMJP w IUUQTXXXUXJMJPDPNKBWJEFP w IUUQTHJUIVCDPNUXJMJPUXJMJPWJEFPBQQSFBDU w 'BDF1FFS w IUUQTXXXGBDFQFFSDPN
σϞ
·ͱΊ ͷײ w ະܦݧͷྖҬʹΛ౿ΈೖΕΔͷͨͷ͍͠ w ڊਓͷݞ࠷ߴ