Wi-Fi Calling Deployment Considerations @第2回IETF I-D読み込みWS

Wi-Fi Calling Deployment Considerations draft-pularikkal-opsawg-wifi-calling-00 !ୈճ*&5'*%ಡΈࠐΈ84 ao(あお) Mariko
Kobayashi

p  ΩϟϦΞͷճઢˠ8J'JΛ࢖͏*1ϕʔεͷߴ඼࣭Ի੠௨࿩ p  എܠɿւ֎஍Լ΍ࢪઃ಺ʹి೾ಧ͔ͳ͍͜ͱ΋ ˠͦͷ͔ΘΓ8J'JΞΫηεϙΠϯτ͸ଟ͍ ɹ8J'JΛ࢖ͬͯ௨࿩΍4.4ΛͰ͖ΔΑ͏ʹʂ p  αʔϏεྫ͸͜Μͳͷͱ͔
8J'J$BMMJOH "QQMF $JTDP+BCCFS $JTDP $JTDP.PCJMF αʔϏεऴྃ $BSSJFS8J'J$BMMJOHͱ͸

p 8(0QFSBUJPOTBOE.BOBHFNFOU"SFB 8PSLJOH(SPVQ PQTBXH p $IBJSɿ5JBOSBO;IPV )VBXFJ 8BSSFO,VNBSJ (PPHMF
p  $JTDP தࠃܥ௨৴اۀ $IJOB.PCJMF )VBXFJ ͋ͨΓ͕ڧ͍ҹ৅ɻɻ "CPVU014"8(

p  *%ͷ໨ඪɿܞଳ΍8J'Jӡ༻ऀ΁ϋΠϨϕϧͳ ։ൃϦϑΝϨϯεΛఏڙ͢Δ p  ஶऀɿ#1VMBSJLLBM 4(VOEBWFMMJ $JTDP4ZTUFNT 51BVMZ
"QQMF 45PVBUJ &SJDTTPO p  *%ͷߏ੒ɿ ઐ໳༻ޠू *%Ͱུޠ͕ΊͪΌͪ͘Ό࢖ΘΕΔʂ ɹ ɹɹɹɹɹ̏ͭͷϞσϧͷղઆ 6OUSVTUFE.PEFM )ZCSJE.PEFM 5SVTUFE.PEFM Ϟσϧͷબ୒ج४ )PUTQPUʹ͓͚Δ8J'J$BMMJOH 8J'J্ͷԻ੠௨৴ͷΫΦϦςΟ 8J'J$BMMJOHͷ2P4ͳͲͳͲ p  63-PG*%ɿ IUUQTEBUBUSBDLFSJFUGPSHEPDESBGUQVMBSJLLBMPQTBXHXJpDBMMJOH *%ͷ֓ཁ

•  41αʔϏεϓϩόΠμʔ •  7P8J'J8J'Jӽ͠ͷԻ੠௨࿩αʔϏε •  ./0.PCJMF/FUXPSL0QFSBUPS ௨৴ܥձࣾ •  6&ΤϯυϢʔβʔʹΑͬͯ࢖ΘΕΔσόΠε
•  &1$ίΞωοτϫʔΫ •  1%/ύέοτωοτϫʔΫ •  "1/ΞΫηεϙΠϯτOBNF •  58"(৴པͰ͖ΔແઢωοτϫʔΫͷήʔτ΢ΣΠͷ໾ׂ •  F1%(ެڞແઢ-"/ͳͲηΩϡϦςΟ্৴པͰ͖ͳ͍ (11ແઢΞΫηεΛऩ༰͢ΔࡍʹҠಈ୺຤͕઀ଓ͢Δ ήʔτ΢ΣΠɹ ུޠू

0WFSWJFX"SDIJUFDUVSF PG8J'J$BMMJOH 8J'J$BMMJOHʹ ରԠͨ͠୺຤ 8-"/BDDFTT/8͔Β ./0QBDLFUDPSF΁ -5&ͱ8J'Jؒͷ ϋϯυΦʔόʔதͷ *1ηογϣϯΛอଘ 4*1CBTFEDBMMDPOUSPMTJHOBMJOH
4*1ೝূ ଞͷ*.4γεςϜͱͷ૬ޓಈ࡞

8J'J$BMMJOHʹ ରԠͨ͠୺຤ 8-"/BDDFTT/8͔Β ./0QBDLFUDPSF΁ -5&ͱ8J'Jؒͷ ϋϯυΦʔόʔதͷ *1ηογϣϯΛอଘ 4*1CBTFEDBMMDPOUSPMTJHOBMJOH 4*1ೝূ ଞͷ*.4γεςϜͱͷ૬ޓಈ࡞
ࠓճͷυϥϑτͰ͸ PVUPGTDPQF 0WFSWJFX"SDIJUFDUVSF PG8J'J$BMMJOH

ͱ͍͏Θ͚Ͱ͔͜͜Β͕ຊ୊ʂ

•  ͳͥ6OUSVTUFEʁ ɹ./0͔ΒΈͯɺ8J'JωοτϫʔΫ͕zVONBOBHFEzzVOUSVTUFEz͕લఏ •  σʔλ௨৴ͷηΩϡϦςΟɾϓϥΠόγʔ✖ ɹˠ֤σόΠεͱ.PCJMFQBDLFUDPSFͷ௨৴ʹ *14FDτϯωϧඞཁ F1%(ήʔτ΢ΣΠ͕ύέοτίΞଆͷऴ୺ʹ
6OUSVTUFE.PEFM ύέοτίΞͷ*14FDτϯωϧ຤୺ Ϣʔβʔೝূ΋ίίͰʂ Ի੠௨৴ σʔλ௨৴

•  ͳʹ͕)ZCSJE 5SVTUFE8J'J"SDIJUFDUVSF (113FMFBTF 6OUSVTUFE8J'J"SDIJUFDUVSF F1%(CBTFEVOUSVTUFE8J'J"SDIJUFDUVSF
•  5SVTUFE8J'Jɿෳ਺ͷ"1/౤͛Εͳ͍ˠ͜ΕΛղܾ •  Ի੠௨৴ɿF1%(Λ௨ͬͯ*.4ίΞϔ ɹσʔλ௨৴ɿ%FGBVMU1(8Λ௨ͬͯ*OUFSOFU΁ )ZCSJE.PEFM Ի੠௨৴ σʔλ௨৴

ü  Ի੠௨৴ɿ8J'JΞΫηε/8Ͱෳ਺ͷ"1/ʹରԠՄೳ ü  σʔλ௨৴ɿσόΠεΛύέοτίΞؒʹ*1TFD࢖Θͳ͍Ͱ 0, 5SVTUFE.PEFM Ի੠௨৴ σʔλ௨৴

p  8J'*"DDFTT/FUXPSL0XOFSTIJQ ü  ௚઀తͳϩʔϛϯάύʔτφʔγοϓ͕͋Δ͔ʁ p  #BDLIBVM/FUXPSL0XOFSTIJQ ü  #BDLIBVMɿ8-"/ωοτϫʔΫͱύέοτίΞؒͷίωΫςΟϏΟςΟ ü 
#BDLIBVM͕ɺ./0͕ηΩϡϦςΟ΍2P4ΛίϯτϩʔϧͰ͖ͳ͍ ୈࡾऀͩͬͨ৔߹ˠVOUSVTUFEQBDLFUDPSFJOUFHSBUJPO͕͏·͍͘͘ p  .PCJMF0⒐PBE3FRVJSFNFOUT ü  Ի੠͚ͩͰͳ͘σʔλ௨৴ͷΦϑϩʔυ΋ߟྀ ü  USVTUFEͱIZCSJEϞσϧɿॊೈͳΦϑϩʔυͷϞσϧ Ϟσϧͷબ୒ج४

p  %FWJDF$BQBCJMJUZ FY5SVTUFEϞσϧͷ৔߹ɺ(11ͷඪ४ʹԠͨ͡ػೳΛ࣋ͭ ɹσόΠε͕ඞཁ p  4VQQPSUPG/PO4*.EFWJDFT /PO4*.σόΠεʹ΋ɺ4*.σόΠεͱಉ͡Α͏ͳαʔϏεఏڙͰ͖Δ Α͏ʹ FY/PO4*.σόΠεɿ6OUSVTUFEϞσϧ✖
p  /FUXPSL3FBEJOFTT 5SVTUϞσϧΛબͿ࣌ߟྀ ύέοτίΞωοτϫʔΫ͚ͩͰͳ͘ ɹ8J'JͷΞΫηεωοτϫʔΫʹ΋ɺґଘؔ܎͋Δ Ϟσϧͷબ୒ج४

4VCTDSJCFS0OCPBSEJOH JOUP8J'J"DDFTT/FUXPSL

p 8FC1PSUBM 0QFO44*% p &"155-4 &"15-4 &"14*.&"1"," 4FDVSFE44*% 8J'JPQFSBUFSʹΑͬͯ4*.ೝূ͔൱͔ܾΊΔ p 8FC1PSUBM&"1ͷํ͕޷·͍͠ ೝূͱΞΠσϯςΟςΟ؅ཧ

p  )PUTQPUɿࣗಈͰEJTDPWFSɾબ୒ɾPOCPBSEJOH͢Δ ɹ#FBDPO͔1SPCF3FTQPOTFΛ༻͍ͯ઀ଓ͢ΔઌΛݟ͚ͭΔ 4FBNMFTT0OCPBSEJOH !)PUTQPU

p  *14FDτϯωϧͷཱ͕֬Ͱ͖ͳ͍ྫ ˠ*14FDτϥϑΟοΫΛڐՄ͠ͳ͍ωοτϫʔΫ΋͋Δ ˠ./0ͱؔΘΓͷͳ͍l6OUSVTUFEϞσϧzʹ͓͍ͯ )551QSPYZ͕ݪҼͰ p  ͦ͜Ͱ*14FD5$1FODBQVTVMBUJPOʂ 5$1Ͱͷ*14FDτϥϑΟοΫͷΧϓηϧԽ ɹ*14FDͷίωΫγϣϯཱ֬ʹ'BJMͨ͠৔߹ͷΈൃಈ
8J'JDBMMJOHEFQMPZNFOUJO SFTSJDUJWFOFUXPSL

8J'J$BMMJOHͷ࣭͸SBEJPOFUXPSLͱಉ͡ ü  Ի੠௨৴ʹӨڹͷ͋Δ΋ͷɿ஗Ԇɺ৴߸ͷཚΕɺQBDLFUESPQ p  3BEJP3FTPVSDF.BOBHFNFOU 33. ɹ;͞Θ͍͠33.ͷ࣮૷
ˣ 33.ͷύϑΥʔϚϯε޲্ ɹɹɹɹɹˣ SBEJPOFUXPSLʹྑ͍Өڹ ˣ 8J'J$BMMJOHͷ࣭޲্΁ 3'/FUXPSL1FSGPSNBODF 0QUJNJ[BUJPO

p  8J'Jϩʔϛϯάͷ࠷దԽ ɹಉ͡ωοτϫʔΫ಺ͷ"1ʹγʔϜϨεʹϩʔϛϯάͰ͖ΔΑ͏ʹʂ ü  'BTU#44USBOTJUJPO '5 'BTU#44USBOTJUJPOϕʔεͷSɿ ಉ͡ωοτϫʔΫ্ͷผͷ"1΁ϩʔϛϯά͢Δ࣌
ɹˠ'5Ͱ͢͹΍͘ೝূɾϋϯυΦʔόʔͷ࣌ؒΛݮΒͯ͘͠ΕΔ ˎ'5͕ͳ͍৔߹ɿೝূͷશϓϩηε౿ΉඞཁΞϦ ü  L#BTFE/FJHICPS3FQPSUT ɹ࠷΋ޮ཰తͳνϟϯωϧϦετ࡞੒ ɹಉ͡8-"/಺ͷଞ"1΁ϩʔϛϯά͢Δ࣌ɿϩʔϛϯάλʔήοτ"1ૉૣ͘ݕ஌ ˠ/FJHICPS-JTUʹΑΓεΩϟϯ͢Δ࣌ؒݮΔ ü  W#BTFE"TTJTUFE3PBNJOHBOE-PBE#BMBODJOH #44Ҡߦ؅ཧػೳΛ༻͍ͯɺ࠷దͳλʔήοτ"1ૉૣ͘ೝࣝ 3'/FUXPSL1FSGPSNBODF0QUJNJ[BUJPO ʙ8J'Jϩʔϛϯάͷ࠷దԽʙ

8J'J$BMMJOHͰͷτϥϑΟοΫͷ༏ઌ౓ʹ͍ͭͯ p  8J'J"DDFTT/FUXPSL2P4 8J'J.VMUJNFEJB 8.. ɿෳ਺ͷແઢ௨৴ͷσʔλͷ͏ͪ ɹಛఆͷ΋ͷʹ༏ઌॱҐΛ͚ͭɺ༏ઌతʹॲཧ͢Δ2P4ػೳ FYԻ੠௨࿩ ϦΞϧλΠϜੑॏࢹ ʼ8FCӾཡ
2P4%FQMPZNFOU$POTJEFSBUJPOTGPS 8J'*$BMMJOH

p  &OEUP&OE2P4 ü  ϢʔβʔσόΠεͱ8-"/ؒ ྆୺ʹ8..ͷαϙʔτඞཁ ü  ύέοτίΞͱ8-"/ؒ %4$1CBTFE ü  1(8ͱF1%(PS58"(ؒ
2P4%FQMPZNFOU$POTJEFSBUJPOTGPS 8J'J$BMMJOH

Wi-Fi Calling Deployment Considerations @第2回...

Wi-Fi Calling Deployment Considerations @第2回IETF I-D読み込みWS

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Wi-Fi Calling Deployment Considerations draft-pularikkal-opsawg-wifi-calling-00 !ୈճ&5'%ಡΈࠐΈ84 ao(あお) Mariko

p  ΩϟϦΞͷճઢˠ8J'JΛ࢖͏*1ϕʔεͷߴ඼࣭Ի੠௨࿩ p  എܠɿւ֎஍Լ΍ࢪઃ಺ʹి೾ಧ͔ͳ͍͜ͱ΋ ˠͦͷ͔ΘΓ8J'JΞΫηεϙΠϯτ͸ଟ͍ ɹ8J'JΛ࢖ͬͯ௨࿩΍4.4ΛͰ͖ΔΑ͏ʹʂ p  αʔϏεྫ͸͜Μͳͷͱ͔

p 8(0QFSBUJPOTBOE.BOBHFNFOU"SFB 8PSLJOH(SPVQ PQTBXH p $IBJSɿ5JBOSBO;IPV )VBXFJ 8BSSFO,VNBSJ (PPHMF

p  *%ͷ໨ඪɿܞଳ΍8J'Jӡ༻ऀ΁ϋΠϨϕϧͳ ։ൃϦϑΝϨϯεΛఏڙ͢Δ p  ஶऀɿ#1VMBSJLLBM 4(VOEBWFMMJ $JTDP4ZTUFNT 51BVMZ

•  41αʔϏεϓϩόΠμʔ •  7P8J'J8J'Jӽ͠ͷԻ੠௨࿩αʔϏε •  ./0.PCJMF/FUXPSL0QFSBUPS ௨৴ܥձࣾ •  6&ΤϯυϢʔβʔʹΑͬͯ࢖ΘΕΔσόΠε

0WFSWJFX"SDIJUFDUVSF PG8J'J$BMMJOH 8J'J$BMMJOHʹ ରԠͨ͠୺຤ 8-"/BDDFTT/8͔Β ./0QBDLFUDPSF΁ -5&ͱ8J'Jؒͷ ϋϯυΦʔόʔதͷ 1ηογϣϯΛอଘ 41CBTFEDBMMDPOUSPMTJHOBMJOH

8J'J$BMMJOHʹ ରԠͨ͠୺຤ 8-"/BDDFTT/8͔Β ./0QBDLFUDPSF΁ -5&ͱ8J'Jؒͷ ϋϯυΦʔόʔதͷ 1ηογϣϯΛอଘ 41CBTFEDBMMDPOUSPMTJHOBMJOH 41ೝূ ଞͷ.4γεςϜͱͷ૬ޓಈ࡞

ͱ͍͏Θ͚Ͱ͔͜͜Β͕ຊ୊ʂ

•  ͳͥ6OUSVTUFEʁ ɹ./0͔ΒΈͯɺ8J'JωοτϫʔΫ͕zVONBOBHFEzzVOUSVTUFEz͕લఏ •  σʔλ௨৴ͷηΩϡϦςΟɾϓϥΠόγʔ✖ ɹˠ֤σόΠεͱ.PCJMFQBDLFUDPSFͷ௨৴ʹ *14FDτϯωϧඞཁ F1%(ήʔτ΢ΣΠ͕ύέοτίΞଆͷऴ୺ʹ

•  ͳʹ͕)ZCSJE 5SVTUFE8J'J"SDIJUFDUVSF (113FMFBTF 6OUSVTUFE8J'J"SDIJUFDUVSF F1%(CBTFEVOUSVTUFE8J'J"SDIJUFDUVSF

ü  Ի੠௨৴ɿ8J'JΞΫηε/8Ͱෳ਺ͷ"1/ʹରԠՄೳ ü  σʔλ௨৴ɿσόΠεΛύέοτίΞؒʹ*1TFD࢖Θͳ͍Ͱ 0, 5SVTUFE.PEFM Ի੠௨৴ σʔλ௨৴

p  8J'*"DDFTT/FUXPSL0XOFSTIJQ ü  ௚઀తͳϩʔϛϯάύʔτφʔγοϓ͕͋Δ͔ʁ p  #BDLIBVM/FUXPSL0XOFSTIJQ ü  #BDLIBVMɿ8-"/ωοτϫʔΫͱύέοτίΞؒͷίωΫςΟϏΟςΟ ü

p  %FWJDF$BQBCJMJUZ FY5SVTUFEϞσϧͷ৔߹ɺ(11ͷඪ४ʹԠͨ͡ػೳΛ࣋ͭ ɹσόΠε͕ඞཁ p  4VQQPSUPG/PO4.EFWJDFT /PO4.σόΠεʹ΋ɺ4.σόΠεͱಉ͡Α͏ͳαʔϏεఏڙͰ͖Δ Α͏ʹ FY/PO4.σόΠεɿ6OUSVTUFEϞσϧ✖

4VCTDSJCFS0OCPBSEJOH JOUP8J'J"DDFTT/FUXPSL

p 8FC1PSUBM 0QFO44% p &"155-4 &"15-4 &"14.&"1"," 4FDVSFE44% 8J'JPQFSBUFSʹΑͬͯ4.ೝূ͔൱͔ܾΊΔ p 8FC1PSUBM&"1ͷํ͕޷·͍͠ ೝূͱΞΠσϯςΟςΟ؅ཧ

p  )PUTQPUɿࣗಈͰEJTDPWFSɾબ୒ɾPOCPBSEJOH͢Δ ɹ#FBDPO͔1SPCF3FTQPOTFΛ༻͍ͯ઀ଓ͢ΔઌΛݟ͚ͭΔ 4FBNMFTT0OCPBSEJOH !)PUTQPU

p  14FDτϯωϧͷཱ͕֬Ͱ͖ͳ͍ྫ ˠ14FDτϥϑΟοΫΛڐՄ͠ͳ͍ωοτϫʔΫ΋͋Δ ˠ./0ͱؔΘΓͷͳ͍l6OUSVTUFEϞσϧzʹ͓͍ͯ )551QSPYZ͕ݪҼͰ p  ͦ͜Ͱ14FD5$1FODBQVTVMBUJPOʂ 5$1Ͱͷ14FDτϥϑΟοΫͷΧϓηϧԽ ɹ*14FDͷίωΫγϣϯཱ֬ʹ'BJMͨ͠৔߹ͷΈൃಈ

8J'J$BMMJOHͷ࣭͸SBEJPOFUXPSLͱಉ͡ ü  Ի੠௨৴ʹӨڹͷ͋Δ΋ͷɿ஗Ԇɺ৴߸ͷཚΕɺQBDLFUESPQ p  3BEJP3FTPVSDF.BOBHFNFOU 33. ɹ;͞Θ͍͠33.ͷ࣮૷

p  8J'Jϩʔϛϯάͷ࠷దԽ ɹಉ͡ωοτϫʔΫ಺ͷ"1ʹγʔϜϨεʹϩʔϛϯάͰ͖ΔΑ͏ʹʂ ü  'BTU#44USBOTJUJPO '5 'BTU#44USBOTJUJPOϕʔεͷSɿ ಉ͡ωοτϫʔΫ্ͷผͷ"1΁ϩʔϛϯά͢Δ࣌

8J'J$BMMJOHͰͷτϥϑΟοΫͷ༏ઌ౓ʹ͍ͭͯ p  8J'J"DDFTT/FUXPSL2P4 8J'J.VMUJNFEJB 8.. ɿෳ਺ͷແઢ௨৴ͷσʔλͷ͏ͪ ɹಛఆͷ΋ͷʹ༏ઌॱҐΛ͚ͭɺ༏ઌతʹॲཧ͢Δ2P4ػೳ FYԻ੠௨࿩ ϦΞϧλΠϜੑॏࢹ ʼ8FCӾཡ

p  &OEUP&OE2P4 ü  ϢʔβʔσόΠεͱ8-"/ؒ ྆୺ʹ8..ͷαϙʔτඞཁ ü  ύέοτίΞͱ8-"/ؒ %4$1CBTFE ü  1(8ͱF1%(PS58"(ؒ