Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
階層独立性の高いプロトコルスタックの設計と実装
Search
Hiroki Watanabe (nelio)
March 22, 2019
Programming
0
1.1k
階層独立性の高いプロトコルスタックの設計と実装
2019年3月22日に行われた「第8期サイボウズ・ラボユース成果発表会」にて使用したスライド(一部変更あり)
Hiroki Watanabe (nelio)
March 22, 2019
Tweet
Share
More Decks by Hiroki Watanabe (nelio)
See All by Hiroki Watanabe (nelio)
L4周辺の高機能通信路とネットワークの階層構造の再考
negli0
1
810
Other Decks in Programming
See All in Programming
Kubernetes for Data Engineers: Building Scalable, Reliable Data Pipelines
sucitw
1
200
Android 15 でアクションバー表示時にステータスバーが白くなってしまう問題
tonionagauzzi
0
140
Generative AI Use Cases JP (略称:GenU)奮闘記
hideg
0
150
Googleのテストサイズを活用したテスト環境の構築
toms74209200
0
270
OpenTelemetryでRailsのパフォーマンス分析を始めてみよう(KoR2024)
ymtdzzz
4
1.5k
What’s New in Compose Multiplatform - A Live Tour (droidcon London 2024)
zsmb
1
330
Dev ContainersとGitHub Codespacesの素敵な関係
ymd65536
1
130
CSC305 Lecture 13
javiergs
PRO
0
130
レガシーな Android アプリのリアーキテクチャ戦略
oidy
1
170
Vue SFCのtemplateでTypeScriptの型を活用しよう
tsukkee
3
1.5k
CSC509 Lecture 08
javiergs
PRO
0
110
ECS Service Connectのこれまでのアップデートと今後のRoadmapを見てみる
tkikuc
2
210
Featured
See All Featured
XXLCSS - How to scale CSS and keep your sanity
sugarenia
246
1.3M
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
32
1.8k
Become a Pro
speakerdeck
PRO
24
5k
Done Done
chrislema
181
16k
Navigating Team Friction
lara
183
14k
Building Flexible Design Systems
yeseniaperezcruz
327
38k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
9
680
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
47
5k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
107
49k
Making the Leap to Tech Lead
cromwellryan
132
8.9k
Fashionably flexible responsive web design (full day workshop)
malarkey
404
65k
Gamification - CAS2011
davidbonilla
80
5k
Transcript
֊ಠཱੑͷߴ͍ ϓϩτίϧελοΫͷ ઃܭͱ࣮ ୈظαΠϘζɾϥϘϢʔεՌൃදձ!$ZCP[V౦ژΦϑΟε .BS )JSPLJ8"5"/"#& ެ։൛
• OFMJP - 5XJUUFS!@@OFMJP@@ - )1https://negli0.github.io - ݱࡏܚጯٛक़େֶ% - ϝϯλʔޫ͞Μ
• ݚڀ/FUXPSL4ZTUFN - &EHF$PNQVUJOH 4FSWJDF$IBJOJOH - "EWBODFE3PVUJOHɼ1SPUPDPM4UBDL झຯ 2 )JSPLJ8BUBOBCF
• ͘Β͍ເͯͨ͠ϞϊΛ࡞Δ - ֊ಠཱੑͷߴ͍ϓϩτίϧελοΫlFYMBZz • ΧʔωϧϓϩάϥϛϯάΛ͍ͨ͠ - ΄ͱΜͲͬͨ͜ͱ͕ͳ͔ͬͨͷͰ • ϥϘϢʔεલΧʔωϧ͔ͬ৮ͬͯͨ
• ޙϢʔβۭؒʢ1P$ʣ࣮ - ͋ͱݚڀͷࢹΛ͛ΔͨΊ • ࣮υϦϒϯͳݚڀͱͯ͠Ґஔ͚ͮΔ - ීஈݚڀυϦϒϯͳ࣮ • ࣮υϦϒϯͰ͖Δͱָͦ͠͏ Ͱ͖ͨ΄͏͕ྑ͍ 3 ϥϘϢʔεʹ͓͚Δୡඪ
• ݱࡏͷϓϩτίϧελοΫ ҎԼ୯ʹελοΫ - ϓϩτίϧͷػೳͱ֊͕ີ݁߹ ϞϊϦγοΫ • FH
&UIFSOFUୈ֊ɼ*1ୈ֊ɼʜ - طʹఆٛ͞Εͨ֊ߏΛར༻͢ΔϞσϧ • ֤ϓϩτίϧͷػೳͱ֊ҐஔΛ - ֊ಠཱੑ͕ߴ͘ͳΔ • ϓϩτίϧػೳͱ֊Ґஔͷ͕ؔرബʹ - ϓϩτίϧͷ֓೦Λ͋Δఔ·ͰҰൠԽͰ͖Δ • ػೳ͕ҟͳΔ͚ͩͰஔ͖͑Մೳ 4 ͡Ίʹ
5 Πϝʔδ Prot. W Prot. X Prot. Z App. App.
App. Prot. Y Prot. X Prot. W Prot. Y Prot. Z App. App. App. Prot. Y Prot. Z Prot. X Prot. W Prot. Y Prot. W Prot. Z Prot. W Prot. X ϞϊϦγοΫͳελοΫ ֊ಠཱੑ͕ߴ͍ελοΫ ֤ϓϩτίϧΛͲ͜ʹҐஔ͚ͮΔ͔ "QQ͝ͱʹҧͬͯྑ͍
• ϓϩτίϧ֓೦ͷҰൠԽ - ஔ͖͑Մೳɼػೳ͕֊ҐஔʹറΒΕͳ͍ • FH *1͚ͩΛผͷ-ϓϩτίϧʹஔ͖͑ • FH ಠࣗͷελοΫΛఆٛՄೳ
- ੍ϓϩτίϧಠࣗͷૢ࡞͕͘͠ͳΔ • ϓϩτίϧ࣮ͷ࠶ར༻ - ϓϩτίϧ͕ΞϓϦʹ౷߹͞Εͳ͍ˠ͍ճ͠ • ٯʹݴ͑ΞϓϦ͝ͱʹ࠷దԽͰ͖ͳ͍ - ৽ͨͳಠࣗϓϩτίϧͷ࣮ݧ͕༰қ • Ұ࡞Ε্ҐԼҐΛվΊͯ࡞Βͳͯ͘ྑ͍ 6 ֊ಠཱੑΛߴΊΔՁ
• ϓϩτίϧૢ࡞ͷநԽ - ͲΜͳॱংͰੵΈ্͛ΒΕͯػೳ͢ΔΑ͏ʹ • 1SPUPDPM1SPUPDPM*'ͷ͋ΔఔͷҰൠԽ • ελοΫͱΞϓϦΛ͢Δ - ϓϩτίϧ࣮ଞͷελοΫͰ͍ճͤΔ
• $1MBOFαϙʔτ - ֤ϓϩτίϧʹ͓͚Δ௨৴૬खΛಈతʹܾఆՄ • "31ɼ/%1ͳͲ 7 ཁٻࣄ߲
• 04*ࢀরϞσϧΛ࣮͠Α͏ͱͨ͠ - ֤ͷ*'ڞ௨ • ͋ΒΏΔ-ϓϩτίϧ ڞ௨*'Ͱ-ϓϩτίϧͱ ΓऔΓՄೳ - ֤ؒͷ*'ผ
• --*'ͱ--*'ผ 8 ؔ࿈ٕज़4ZTUFN7453&".4 • Transport Provider Interface Specification ◦ http://www.openss7.org/docs/tpi.pdf • Network Provider Interface Specification ◦ http://www.openss7.org/docs/npi.pdf • Datalink Provider Interface Specification ◦ http://www.openss7.org/docs/dlpi.pdf Layer 1 Layer 2 Layer 3 Layer 4 Layer 7 ... L1-L2 I/F L2-L3 I/F L3-L4 I/F ϓϩτίϧ͕֊Ґஔʹଋറ͞Ε͍ͯΔͱ͍͑Δ
• ͷநԽߏ छͷ*' - ߴͰ༏ΕͨநԽ - 1SPUPDPM1SPUPDPM*'ෆఆ • 'SFF#4%protosw
Ͱ நԽ • -JOVYʜʁ • Ұൠʹ֊ߏ੩తఆٛ - વܾΊଧͪ͢Δ΄͏͕ߴ 9 ؔ࿈ٕज़#4%4PDLFU Driver Socket App Protocol-Driver I/F Protocol Stack App.-Socket I/F Socket-Protocol I/F Protocol
• 1SPUPDPM1SPUPDPM*'ͷநԽ - "QQY,FSOFMɼ Y,FSOFM%SJDFSநԽ - 453&".4ͱ#4%4PDLFU ͷ͍͍ͱ͜औΓΛࢦͨ͠ • ֊ߏ੩తఆٛ
- ఆٛΛมߋ͢Δʹ ΧʔωϧίϯύΠϧ͕ඞཁ - ଟ༷ͳελοΫΛදݱՄೳ 10 ؔ࿈ٕज़x,FSOFM Driver App x-Kernel-Driver I/F App.-x-Kernel I/F Protocol-Protocol I/F x-Kernel /$)VUDIJOTPOBOE--1FUFSTPO 5IFY,FSOFMBOBSDIJUFDUVSFGPSJNQMFNFOUJOHOFUXPSLQSPUPDPMT JO*&&& 5SBOTBDUJPOTPO4PGUXBSF&OHJOFFSJOH WPM OP QQ +BOจ63-
• Y,FSOFMΛࠓ෩ʹϦΞϨϯδ - $-*ͰϓϩτίϧΛFYMBZTUBDLʹϩʔυ - ϩʔυ͞ΕͨϓϩτίϧΛ༻͍ͯ"QQ͕ ελοΫΛఆٛ • ϓϩτίϧ࣮ -
TIBSFEMJCSBSZ • 1P$ͬͪ͜ - LFSOFMNPEVMF • ࠓޙ࣮ݱ͍ͨ͠ 11 FYMBZ Driver App exlay-Driver I/F App.-exlay I/F Protocol-Protocol I/F exlay stack Protocol List CLI
• ϓϩτίϧ։ൃͷͨΊͷܗ - OBNFϓϩτίϧ໊ - IES@TJ[FϔομαΠζ - VQQFS@TJ[F্Ґ*%αΠζ • JQQSPUPDPM
• FUIFSOFUUZQF - E@JOQVUE@PVUQVU • ड৴ૹ৴ϋϯυϥ - D@QVMMD@QVTI • $1MBOFϋϯυϥ 12 நԽϓϩτίϧQSPUPDPMPCK name d_input d_output c_pull c_push hdr_size bind_size upper_size dial listen close - EJBMMJTUFODMPTF • ελοΫཱ֬ղ์ϋϯυϥ ͕͜͜؊ɼ͔ͭ·ͩෆेͳͷͰߟ͑ଓ͚Δ
root ethernet ipv4 arp uplyr mac1 upper1 mac1 upper2 fbind
fbind uplyr fp is_top ip1 upper3 ip1 upper4 fbind is_top fbind udp uplyr fbind port1 upper5 is_top • FYMBZͷΤϯυϙΠϯτΛಛఆ͢Δ 13 CJOEJOHUSFF GCJOE QUSUPGPSXBSECJOEJOH ݱ֊ͷ֘ϓϩτίϧͷ MPDBMCJOEJOHͷϦετΛࢦ͢ GQ QUSUPGPSXBSEQSPUP ݱ֊ͷϓϩτίϧͷ ϦετΛࢦ͢ VQMZS QUSUPVQQFSMBZFS ݱ֊ʹ͓͍ͯಛఆ͞Εͨ MPDBMCJOEJOHͷ্Ґ ϓϩτίϧͷϦετΛࢦ͢
14 FYMBZ"1*ͱ࣮ঢ়گ ໊ؔ ಈ࡞ ࣮ঢ়گ FY@DSFBUF@TUBDL ελοΫΛએݴॳظԽ ✔ FY@TFU@CJOEJOH MPDBMͷ*1BEES
QPSUͳͲͷઃఆ ✔ FY@TFU@SFNPUF SFNPUFͷ*1BEES QPSUͳͲͷઃఆ ✔ FY@CJOE@TUBDL ελοΫΛఆٛ ✔ FY@EJBM@TUBDL $0SJFOUFEͳϓϩτίϧͷଓཁٻ FY@MJTUFO@TUBDL $0SJFOUFEͳϓϩτίϧͷଓԠ FY@TFOE@TUBDL ఆٛͨ͠ελοΫʹσʔλΛૹ৴ ✔ FY@SFDW@TUBDL ఆٛͨ͠ελοΫ͔ΒσʔλΛड৴ ✔ FY@DMPTF@TUBDL ఆٛͨ͠ελοΫΛղ์
• MJTUՃࡁΈϓϩτίϧऔಘ • BEE༻ՄೳϓϩτίϧͷՃ • EFMϓϩτίϧͷআ 15 $-*͔Βͷૢ࡞ Ұ෦ൈਮ
16 "QQ࣮Πϝʔδ
• UFTU@FUIFSOFUϓϩτίϧΛՃ • ֊ UFTU@FUIFSOFU ελοΫΛఆٛ - ѼઌΤϯυϙΠϯτෆ໌ͷ߹υϩοϓ - ѼઌΤϯυϙΠϯτ͕߹க͢Δͱදࣔ
• σʔλͷૹ৴ड৴ - ϝοηʔδͷදࣔ - XJSFTIBSLͰຊʹͦͷσʔλ͔Ͳ͏͔֬ೝ 17 σϞ
• τϯωϧΤϯυϙΠϯτΛ࡞Δ - ݱঢ়VOEFSMBZ͔Βࢦఆ͠ͳ͍ͱ͍͚ͳ͍ • τϯωϦϯάͰͳ͍ʜ • ֤ϓϩτίϧͷॆ࣮ͱ$1MBOFରԠ - Έ߹ΘͤΔϓϩτίϧ͕ແ͍ͱແҙຯ
• Χʔωϧಈ࡞ - TIBSFEMJCˠLFSOFMNPEVMF - 'SFF#4%Ͱಈ͔͍ͨ͠ • QSPUPTX NCVGΛྲྀ༻͍ͨ͠ 18 ࠓޙͷల
• ݱࡏͷϓϩτίϧελοΫ - ϓϩτίϧͷػೳͱ֊͕ີ݁߹ • FYMBZϓϩτίϧͷػೳͱ֊ҐஔΛ - ֊ಠཱੑ͕ߴ͘ͳΔ • ύζϧͷΑ͏ʹϢʔβ͕ελοΫΛఆٛͰ͖Δ
- ϓϩτίϧͷ֓೦Λ͋Δఔ·ͰҰൠԽͰ͖Δ • σϞ - ࣗ࡞ϓϩτίϧΛ༻͍ͨಠࣗελοΫΛఆٛ - σʔλૹड৴͕Ͱ͖ͨ 19 ·ͱΊ
• وॏͳܦݧ͕Ͱ͖·ͨ͠ - ͖ͳ044࡞͓͍͚ͬͯۚͨͩͯʜ • ྑ͍ҙݟΛࢁ͍͖ͨͩ·ͨ͠ - ޫ͞Μɼ͞Μɼ͋Γ͕ͱ͏͍͟͝·ͨ͠ • େֶͰ։ൃʹ͍ͭͯฉ͚Δ૬ख͕΄΅͍ͳ͍
• ಠྗେࣄ͕ͩ։ൃ্खͳਓʹֶͿͷେࣄ • ϥϘϢʔεΛΊ·͢ - ੍ΛͬͨΒߦ͖͍ͨਓ݁ߏ͍Δͱࢥ͏ 20 ͓ΘΓʹ