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౦ٸϋϯζͷ P2PϨδؒ௨৴2018 9/1 iOSDC Japan 2018 taiki komaba(@r_plus)
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UBJLJLPNBCB !S@QMVT )"/%4-"#*/$
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HandsPOS
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▸ ౦ٸϋϯζͷϨδͱͯࣗࣾ͠։ൃ͍ͯ͠ΔiPadΞϓϦ ▸ ैۀһૢ࡞༻ͱΧελϚʔ༻ͷ2Ϟʔυ ▸ 1ͷϨδʹ͖ͭ1ηοτ ▸ ͜ͷैۀһଆͱΧελϚʔଆͰP2P௨৴ HandsPOS
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before after
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2015/12 2016 2017 2018 2019 HandsPOS
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2015/12 2016 2017 2018 2019 85% ಋೖྃ HandsPOS
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2015/12 2016 2017 2018 2019 2020 ফඅ૿੫ HandsPOS
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Multipeer connectivity P2P
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Multipeer Connectivity ΧελϚʔଆ(C) ैۀһଆ(P) .VMUJQFFS $POOFDUJWJUZ 0001Ϩδ
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ΧελϚʔଆ(C) ैۀһଆ(P) .VMUJQFFS $POOFDUJWJUZ 0001Ϩδ Multipeer Connectivity - औҾใ (ใɺׂҾใɺࢧ͍ใetc) ૹ৴ใ
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2015/12 2016 2017 2018 2019 औҾใ(P2C) HandsPOS
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2015/12 2016 2017 2018 2019 औҾใ(P2C) HandsPOS Ϋ Ϩ δ ο τ ಋ ೖ ΫϨδοταΠϯཁٻ(P2C) ΫϨδοταΠϯը૾(C2P)
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2015/12 2016 2017 2018 2019 औҾใ(P2C) HandsPOS Ϋ Ϩ δ ο τ ಋ ೖ ΫϨδοταΠϯཁٻ(P2C) ΫϨδοταΠϯը૾(C2P) όοςϦʔใ(C2P)
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όοςϦʔ ▸ ϨδͳͷͰৗ࣌ॆిঢ়ଶ ▸ ͳͷͰॆిʹ࠷ॳؾΛ͍ͬͯͳ͔ͬͨ ▸ ిѹͳͷ͔Կͳͷ͔ݪҼڀ໌͍ͯ͠ͳ͍͕ ॆి͞Εͳ͍έʔε͕ଟʑൃੜ ▸ ΞϓϦέʔγϣϯଆͰόοςϦʔ͕গͳ ͘ͳ͖ͬͯͨΒ(30%)ҙΛଅ͢Ξϥʔτ Λදࣔ
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ͱ͋ΔͷόοςϦʔਪҠ 30%
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༗ઢ
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༗ઢ ͪΐͬͱͰॆిঢ়ଶ Ͱͳ͘ͳΔͱɾɾɾ
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༗ઢ NICফ໓ lo0 ←ϧʔϓόοΫ en0 ← WiFi en3 ← Ethernet
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MultipeerConnectivityͷ
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ଓੑ͕ ͋·Γྑ͘ͳ͍
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MultipeerConnectivity ▸ ͭͳ͕Δ࣌εοͱͭͳ͕Δ ▸ ͭͳ͕ͬͯΔ࣌࣌ؒͷଓͰͳ͍ ▸ ͕ɺμϝʹͳΔͱେମͣͬͱμϝʹͳΔ ▸ μϝʹͳ͍ͬͯΔ࣌ͰWebଓਖ਼ৗ ▸ ͓ޓ͍ͷΞϓϦΛ࠶ىಈ͢Δͱେମͳ͓ΔʢTipsʣ ▸ ·͊BonjourͰ͢͠
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2015/12 2016 2017 2018 2019 औҾใ(P2C) HandsPOS Ϋ Ϩ δ ο τ ಋ ೖ ΫϨδοταΠϯཁٻ(P2C) ΫϨδοταΠϯը૾(C2P) όοςϦʔใ(C2P)
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2015/12 2016 2017 2018 2019 औҾใ(P2C) HandsPOS Ϋ Ϩ δ ο τ ಋ ೖ ΫϨδοταΠϯཁٻ(P2C) ΫϨδοταΠϯը૾(C2P) όοςϦʔใ(C2P) ηϛηϧϑํࣜϨδ
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ηϛηϧϑ Ϩδ
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ηϛηϧϑϨδ ▸ εʔύʔʹΑ͋͘Δํࣜ ▸ εΩϟϯͳͲैདྷͲ͓Γैۀһ͕࣮ࢪ ▸ ࢧ͍෦Λઐ༻ʹ͓ͯ٬༷ࣗʹߦ͍ͬͯͨͩ͘
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৽॓ళ8Fʹͯల։
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ηϛηϧϑϨδ ▸ εʔύʔʹΑ͋͘Δํࣜ ▸ εΩϟϯͳͲैདྷͲ͓Γैۀһ͕࣮ࢪ ▸ ࢧ͍෦Λઐ༻ʹ͓ͯ٬༷ࣗʹߦ͍ͬͯͨͩ͘ - εΩϟϯetc औҾσʔλૹ৴ - ࢧ͍ - ݱۚ - ΫϨδοτ - ిࢠϚωʔ ਫ਼ࢉػ(ෳ)
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ηϛηϧϑϨδʹ͚ͯ ߴ৴པͷ11௨৴ํ͕ࣜඞཁ
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ηϛηϧϑ༻ɹ৽௨৴ํࣜ ▸ N:NͰͷ௨৴Λఆ ▸ MultipeerConnectivity(ҎԼMC)ͰଓͰ͖ͳ͍࣌ͰWebଓੜ͖͍ͯͨ ▸ ΦϯϥΠϯܦ༝ͳΒΠέϧ ▸ MCεςʔτϑϧͳͷ͕͍͜͠ݪҼɾɾ͔ʁ ▸ εςʔτϨε ▸ ͱ͍͑ɺϨδͳͷͰΦϑϥΠϯͰͷՔಇߟྀ ▸ ΦϯϥΠϯܦ༝ͷͷಈ࡞͠ͳ͍ ▸ ΦϑϥΠϯಈ࡞ͰMCྑཱ͍ͪҐஔ ▸ Ͱ͋Εෳͷ௨৴ํࣜΛଋͶΔΑ͏ͳͷɾɾɾ
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Swallow ௨৴ϥΠϒϥϦ
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Swallow ▸ ֤௨৴pluginํࣜ ▸ εςʔτϨε/ϑϧΘͳ͍ ▸ ಉҰ௨৴༰ૣ͍ͷউͪ ▸ εςʔτϨεؚ·ΕΔͷͰड͚औΓΛද໌͢ΔAckΛฦ ٫͢Δ
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Swallow ※͜ͷ߹ͷOfflineΦϑϥΠϯͰ௨৴Մೳ͔Ͳ͏͔ MQTTLANʹαʔό͕͋Δఆ httpΞϓϦʹwebαʔόػೳͷࡌ ํࣜ State Offline Multipeer Full Yes http Less Yes AWS SQS Less No Firestore Auto No RealmCloud Auto No MQTT Full Yes AWS IoT - No ࠾༻ ✓ ✓
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Swallow Core Multipeer Client http AWS SQS Core Multipeer Client http AWS SQS FCFS औҾ σʔλ
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Swallow Core Multipeer Client http AWS SQS Core Multipeer Client http AWS SQS Ack
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Multipeer, AWS SQS rate ઌணͨ͠Clientͷൺ ●Multipeer ●AWS SQS ▸ Αͯ͘ʑ ▸ ଟ͍ͷ9ׂ͕SQS ▸ MultipeerϨΠςϯγߴ ɻଓͰ͖͍ͯΕ͜ ͪΒ͕ؒҧ͍ͳ͘ઌணɻ
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2015/12 2016 2017 2018 2019 औҾใ(P2C) HandsPOS Ϋ Ϩ δ ο τ ಋ ೖ ΫϨδοταΠϯཁٻ(P2C) ΫϨδοταΠϯը૾(C2P) όοςϦʔใ(C2P) ηϛηϧϑํࣜϨδ
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2015/12 2016 2017 2018 2019 औҾใ(P2C) HandsPOS Ϋ Ϩ δ ο τ ಋ ೖ ΫϨδοταΠϯཁٻ(P2C) ΫϨδοταΠϯը૾(C2P) όοςϦʔใ(C2P) SwallowʹΑΔ N:N௨৴
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·ͱΊ ▸ MultipeerConnectivityॴḨBonjour ▸ ͚ΕͲAPͳ͠ͰͷWiFiଓ(peer-to-peer Wi-Fi)͕Մೳ ▸ ΦϯϥΠϯͰͷ௨৴Ͱิॿ ▸ ͭͳ͕Δ࣌MutipeerConnectivityͷϨΠςϯγʔ͕͍ ▸ શମͰΈΔͱѹతʹΦϯϥΠϯ௨৴ͰٹΘΕ͍ͯΔ ▸ 8݄಄ͷ౦ژϦʔδϣϯSQSͷো࣌؊Λྫྷͨ͠ ▸ FIFOΩϡʔʹ͍ͨ͠
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͓ΘΓ