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
1.2k
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
820
Other Decks in Programming
See All in Programming
Microsoft Orleans, Daprのアクターモデルを使い効率的に開発、デプロイを行うためのSekibanの試行錯誤 / Sekiban: Exploring Efficient Development and Deployment with Microsoft Orleans and Dapr Actor Models
tomohisa
0
210
一人でAIプロダクトを作るための工夫 〜技術選定・開発プロセス編〜 / I want AI to work harder
rkaga
13
2.8k
AI時代のドメイン駆動設計-DDD実践におけるAI活用のあり方 / ddd-in-ai-era
minodriven
23
9k
エンジニアのための”最低限いい感じ”デザイン入門
shunshobon
0
130
The State of Fluid (2025)
s2b
0
200
tool ディレクティブを導入してみた感想
sgash708
1
150
物語を動かす行動"量" #エンジニアニメ
konifar
14
5.5k
Dart 参戦!!静的型付き言語界の隠れた実力者
kno3a87
0
210
KessokuでDIでもgoroutineを活用する / Go Connect #6
mazrean
0
110
デザインシステムが必須の時代に
yosuke_furukawa
PRO
2
110
20250808_AIAgent勉強会_ClaudeCodeデータ分析の実運用〜競馬を題材に回収率100%の先を目指すメソッドとは〜
kkakeru
0
210
AIコーディングAgentとの向き合い方
eycjur
0
220
Featured
See All Featured
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
8
890
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
A better future with KSS
kneath
239
17k
A designer walks into a library…
pauljervisheath
207
24k
How to train your dragon (web standard)
notwaldorf
96
6.2k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
131
19k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.6k
The Language of Interfaces
destraynor
160
25k
How GitHub (no longer) Works
holman
315
140k
Unsuck your backbone
ammeep
671
58k
The Art of Programming - Codeland 2020
erikaheidi
55
13k
Site-Speed That Sticks
csswizardry
10
790
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