Route 53のSLAだけ100%なんだ

AWSのサービスのうち、Route 53だけがSLA100%になっているのってなんでだろうという疑問から調べてみました。
#r53_osarai

Transcript

1. #r53_osarai
   Amazon Rtoute 53Λ΍͓͘͞͠͞Β͍͢Δձ
   
   
   ʮRoute 53ͷSLA͚ͩ100%ͳΜͩʯ
   

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2. ࣗݾ঺հ
   ◆΋ͭʢࢁຊɹ३തʣ
   ๭SIerͰΠϯϑϥͱServiceNow→＞ʢݱ৬ʣʹͯSRE

   AWSͱ͔Splunkͱ͔Zabbixͱ͔ॾʑ΍ͬͯ·͢

   ◆झຯ

   Ξ΢τυΞɺࣸਅΛࡱΓʹߦ͘͜ͱ
   ಈ෺͕શྗͰ૸Δ΍ͭɺόʔνϟϧͳYou Tuber
   ◆ࠓճొஃͨ͠ཧ༝
   Route 53ͬͯSAAͷࢼݧͱ͔Ͱ͸ݟΔ͚Ͳ͋Μ·Γ৮ͬͨ͜ͱͳ͍͠ɺԿ΋Θ͔ΒΜ͜͠
   Ε͸͓͞Β͍͍ͨ͠ΑͶͬͯײͯͨ͡ͱ͜Ζʹఱͷ੠͕ฉ͖͑ͯ͜·ͨ͠ɻ

   @ad_motsu
   ๭ॴʹͯԜΜͰΔ๻
   

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3. Route 53Ͳ͜Ζ͔ωοτϫʔΫʹ͸ૄ͍Ͱ͢ɺຊ౰ʹॳ৺ऀͰ͢
   ͓͜ͱΘΓ
   

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4. ◆AWSͷSLAʹ͍ͭͯ͸͔ͬ͠Γॻ͔Ε͍ͯ·͢ͷͰҾ༻
   ʮαʔϏεϨϕϧΞάϦʔϝϯτ (SLA) ͸ɺαϓϥΠϠʔ͕ސ٬ʹఏڙ͢Δ͜ͱΛ໿ଋ͢ΔαʔϏεͷϨϕ
   ϧͷ֓ཁΛنఆ͢ΔɺΞ΢τιʔγϯά͓ΑͼςΫϊϩδʔϕϯμʔͷܖ໿Ͱ͢ɻՔಇ࣌ؒɺ഑৴࣌ؒɺԠ
   ౴࣌ؒɺղܾ࣌ؒͳͲͷࢦඪͷ֓ཁΛنఆ͠·͢ɻSLA ʹ͸ɺ௥Ճͷαϙʔτ΍ྉׂۚҾͳͲɺཁ͕݅ຬͨ
   ͞Ε͍ͯͳ͍৔߹ͷҰ࿈ͷରԠ΋ৄड़͞Ε͍ͯ·͢ɻ௨ৗɺSLA ͸ΫϥΠΞϯτͱαʔϏεϓϩόΠμʔͷ
   ؒͰ߹ҙ͞Ε·͕͢ɺಉ͡ձࣾ಺ͷϏδωεϢχοτಉ࢜Ͱ SLA Λక݁͢Δ͜ͱ΋Ͱ͖·͢ɻʯ

   

   99.9%ͱ͢ΔͱαʔϏε͕ఏڙͰ͖ͳ͍࣌ؒ͸ҎԼͷ௨Γ
   ɾ1೔Ͱ1෼26.4ඵ

   ɾ1݄Ͱ43෼49.7ඵ

   ɾ1೥Ͱ8࣌ؒ45෼57ඵ
   https://aws.amazon.com/jp/what-is/service-level-agreement/

   SLAͱ͸ͳΜͧʁ
   

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5. ௒͑ΒΕͳ͍นͷ޲͜͏ʹ
   AWSͷSLAୡ

   ॾʑͷ৚݅౳͕͋ΓҰ཯ͰͷൺֱͰ͸ͳ͍ͷͰ͕͢ɺ֓Ͷ99%Ҏ্ͱͳ͍ͬͯ·͢ʢ࠷΋௿͍αʔϏεͰ΋99.5%͸͋Γ·͢ʣ

   ͨͩ͠Route 53ʢͱApplication Recovery Controllerʣ͚ͩ100%ʹ౸ୡ͍ͯ͠·͢ɻ

   

   ൺֱ͞ΕͨαʔϏεୡʢhttps://aws.amazon.com/jp/legal/service-level-agreements/ʣ

   ˎS3ͷΑ͏ʹෳ਺͋Δ΋ͷ͸Ұ൪਺஋ͷྑ͍΋ͷΛબൈ
   

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6. ௒͑ΒΕͳ͍นͷ޲͜͏ʹ
   AWSͷSLAୡ

   ॾʑͷ৚݅౳͕͋ΓҰ཯ͰͷൺֱͰ͸ͳ͍ͷͰ͕͢ɺ֓Ͷ99%Ҏ্ͱͳ͍ͬͯ·͢ʢ࠷΋௿͍αʔϏεͰ΋99.5%͸͋Γ·͢ʣ

   ͨͩ͠Route 53ʢͱApplication Recovery Controllerʣ͚ͩ100%ʹ౸ୡ͍ͯ͠·͢ɻ

   

   ൺֱ͞ΕͨαʔϏεୡʢhttps://aws.amazon.com/jp/legal/service-level-agreements/ʣ

   ˎS3ͷΑ͏ʹෳ਺͋Δ΋ͷ͸Ұ൪਺஋ͷྑ͍΋ͷΛબൈ
   Amazon Route 53 αʔϏεϨϕϧΞάϦ ʔϝϯτ
   https://d1.awsstatic.com/legal/AmazonRoute53SLA/Amazon%20Route%2053%20Service%20Level%20Agreement%20-%20Japanese%20(2018-11-21).pdf

   Amazon CloudFront
   99.999%
   Amazon Route 53 Amazon Simple Storage
   Service (Amazon S3)
   99.9%
   Amazon DynamoDB Amazon Elastic Compute
   Cloud (Amazon EC2)
   99.99%
   Amazon Relational Database
   Service (Amazon RDS)
   99.95%
   AWS Lambda
   99.5%
   100%
   ͊͊͟͜͟͜
   ӽ͑ΒΕͳ͍น
   

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7. ◆ͦ΋ͦ΋Route 53͕100%Λ໨ࢦ͢ཧ༝
   ->SLA99.99%ͷαʔϏε͸DNSཔΓͷͨΊ
   ◆Ұൠతͳো֐ʹ͍ͭͯ
   Α͘མͪΔͷ͸͜ͷ͋ͨΓ
   ϗετɺεΠονɺϧʔλʔɺిݯɺPoPɺωοτϫʔΫύε౳
   

   ◆ղܾํ๏

   ੾Γ཭͠Մೳ͔ͭಠཱͨ͠PoPΛར༻͢Δ͜ͱͰ͋Δ

   Point of Presence:άϩʔόϧʹ෼ࢄɾ഑ஔ͞Ε͍ͯΔΤοδϩέʔγϣϯ
   SLA 100%Λ࣮ݱ͢ΔͨΊʹ
   

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8. ◆σʔλϓϨʔϯ(αʔϏεͷओཁͳػೳΛఏڙ͢Δ΋ͷ)ͷ৑௕Խ
   ɾDNSϦκϧό͕ͦΕͧΕͷωʔϜαʔόʢNSʣʹରͯ͠࠶࣮ߦΛߦ͏
   ɾ֤σʔλϓϨʔϯʢ͜͜Ͱ͸ετϥΠϓʣ͸ͦΕͧΕͷαϒωοτΛ࣋ͪ
   (CIDR /23)ɺݸʑͰϧʔςΟϯά͞ΕΔ
   ɾ͜ΕΒͷετϥΠϓͷσϓϩΠ͸ݸʑͰૢ࡞࣮ͯ͠ߦ͞ΕΔ

   

   ->݁Ռͱͯ͠1ͭͷσʔλϓϨʔϯ͕ࣦΘΕͨͱͯ͠΋ӨڹΛ࠷খԽ͢Δ͜ͱ͕
   Մೳʹ

   PoPϒϥοΫϗʔϧʢσʔλసૹग़དྷͣʹഁغʣɺϧʔςΟϯάͷ໰୊ɺτϥ
   ϯδοτ઀ଓϓϩύΠμʹΑΔো֐౳

   SLA 100%Λ࣮ݱ͢ΔͨΊʹ
   

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9. ◆Өڹൣғͷ࠷খԽ
   ɾ਺͋ΔPoPͷBGP(ܦ࿏੍ޚϓϩτίϧ)͸IP ϓϨϑΟοΫεΛΞυόλΠζ͍ͯ͠Δ
   ɾϦκϧό͸ͦΕͧΕͷετϥΠϓ͝ͱʹҰ൪͍ۙPoPʹରͯ͠઀ଓΛߦ͏
   ɾ͜ͷӨڹൣғΛখ͘͢͞Δ͜ͱͰϨΠςϯγΛ্ঢͤ͞ΒΕΔ
   ɾPoP͕མͪͨ৔߹͸ଞͷͱ͜Ζ΁ϧʔςΟϯάͤ͞Δ
   ɾ࠷্ҐυϝΠϯ(.comͱ͔)͝ͱʹετϥΠϓΛ෼ࢄ
   ◆݁Ռ

   ɾσʔλϓϨʔϯͷো֐Λಛఆͷ஍Ҭ΍ετϥΠϓ͝ͱʹ͢Δ͜ͱ͕Մೳ
   ɾΫϥΠΞϯτʹΑΔӨڹΛ஍Ҭݶఆʹ཈͑ΒΕΔ
   ɾετϥΠϓͷσϓϩΠ͕ࣦഊͨ͠ͱͯ͠΋ɺ஍Ҭ΍ετϥΠϓ͝ͱʹݶఆͰ͖Δ
   ɾϨΠςϯγ͸τϨʔυΦϑʹ
   SLA 100%Λ࣮ݱ͢ΔͨΊʹ
   

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10. ◆ސ٬ͷ෼཭
    ɾޓ͍ʹӨڹΛ๷͙͜ͱ͕ग़དྷΔ
    ɾϦεΫͱֹۚ͸τϨʔυΦϑ

    ->ϚϧνςφϯταʔϏε͢Δͱ҆͘ͳΔ͕ɺγϯάϧͩͱߴ͍
    SLA 100%Λ࣮ݱ͢ΔͨΊʹ
    ͗Ό͋͋͋
    ͏ͪ͸ؔ܎ͳ͍ͷͰ
    Ϥγο
    

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11. ◆γϟʔυͷਫฏ෼ࢄ

    ɾ୯ҰγϟʔυΛෳ਺ސ٬ʹׂ౰

    ->1͕ͭࢮ͵ͱશ໓

    ɾෳ਺γϟʔυΛސ٬ʹ1ׂͭͣͭ౰
    ɹ->ઌఔΑΓ͸Өڹ͕গͳ͍
    ɾ1ސ٬ʹෳ਺γϟʔυΛׂ౰
    ɹ->1ͭͷγϟʔυ͕ࢮΜͩͱͯ͠΋

    ɹɹͳΜͱ͔ͳΔ
    ◆݁Ռ
    ɾߴՄ༻ੑͱސ٬ͷ෼཭Λ௿ίετͰ࣮ݱ
    ɾ୯Ұސ٬ͷӨڹΛͦ͜Ͱ৯͍ࢭΊΒΕΔ
    ɾ݁Ռͱͯ͠SLA100%Λຬͨ͢͜ͱ͕ग़དྷΔ
    SLA 100%Λ࣮ݱ͢ΔͨΊʹ
    

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12. ɾPoPΛ੾Γ཭͠Մೳ͔ͭಠཱʴ৑௕Խͤ͞Δ͜ͱͰɺԿΒ͔ͷো֐͕
    ൃੜͨ͠ͱͯ͠΋ݶఆతʹཹΊΔ͜ͱ͕Ͱ͖Δ
    ɾސ٬ͷ؀ڥΛ෼཭͢Δ͜ͱͰɺো֐ͷר͖ఴ͑Λ๷͙
    ɾ̍ͭސ٬ʹରͯ͠ෳ਺ͷγϟʔυΛ౰ͯΔ͜ͱͰଞํͰো֐͕ൃੜ
    ͨ͠ͱͯ͠΋ҡ͕࣋ग़དྷΔɻ

    SLA 100%͸ҏୡ͡Όͳ͍
    ·ͱΊ
    

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13. ɾUnder the Hood of Amazon Route 53
    -> re:Invent 2018ʹͯࠓճͷLTͷ಺༰͕ΨοπϦॻ͔Ε͍ͯ·ͨ͠ɻ

    ͜ΕҎ֎Ͱઆ໌͍ͯ͠Δࢿྉ͕ݟ͔ͭΒͳ͔ͬͨͷͰɺ஌ͬͯΔਓ͕͍ͨΒڭ͍͑ͯͩ͘͞ɻ

    

    https://www.slideshare.net/AmazonWebServices/under-the-hood-of-amazon-route-53-
    arc408r1-aws-reinvent-2018
    ࢀߟ
    

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