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
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
Search
Hiroki Watanabe (nelio)
June 25, 2018
Technology
1
810
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
2016-06-25 に TECH PLAY SHIBUYA で行われた『Turing Comple FM ミートアップ』の LT 枠で発表したスライドです.
Hiroki Watanabe (nelio)
June 25, 2018
Tweet
Share
More Decks by Hiroki Watanabe (nelio)
See All by Hiroki Watanabe (nelio)
階層独立性の高いプロトコルスタックの設計と実装
negli0
0
1.1k
Other Decks in Technology
See All in Technology
JEDAI Meetup! Databricks AI/BI概要
databricksjapan
0
100
プロセス改善による品質向上事例
tomasagi
2
2.6k
株式会社EventHub・エンジニア採用資料
eventhub
0
4.3k
なぜ私は自分が使わないサービスを作るのか? / Why would I create a service that I would not use?
aiandrox
0
740
7日間でハッキングをはじめる本をはじめてみませんか?_ITエンジニア本大賞2025
nomizone
2
1.8k
表現を育てる
kiyou77
1
210
AndroidXR 開発ツールごとの できることできないこと
donabe3
0
130
プロダクトエンジニア構想を立ち上げ、プロダクト志向な組織への成長を続けている話 / grow into a product-oriented organization
hiro_torii
1
200
Oracle Cloud Infrastructure:2025年2月度サービス・アップデート
oracle4engineer
PRO
1
210
滅・サービスクラス🔥 / Destruction Service Class
sinsoku
6
1.6k
分解して理解する Aspire
nenonaninu
1
140
PHPで印刷所に入稿できる名札データを作る / Generating Print-Ready Name Tag Data with PHP
tomzoh
0
110
Featured
See All Featured
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
40
2k
Designing on Purpose - Digital PM Summit 2013
jponch
117
7.1k
Making Projects Easy
brettharned
116
6k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
The MySQL Ecosystem @ GitHub 2015
samlambert
250
12k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.1k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
Six Lessons from altMBA
skipperchong
27
3.6k
The World Runs on Bad Software
bkeepers
PRO
67
11k
What's in a price? How to price your products and services
michaelherold
244
12k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
3.7k
Fashionably flexible responsive web design (full day workshop)
malarkey
406
66k
Transcript
-पลͷߴػೳ௨৴࿏ͱ ωοτϫʔΫͷ֊ߏͷ࠶ߟ 5VSJOH$PNQMFUF'.ϛʔτΞοϓ !5&$)1-":4)*#6:" +VO OFMJP
• ࣗݾհ • -BZFSपลͷߴػೳ௨৴࿏ͷհ • ֊ߏΛ࠶ߟ͢Δ • ·ͱΊ֊ߏΛߟ͑͢ҙຯ 2 ͘͡
• ͶΓ͓PSͶΓ ֶੜ% - 5XJUUFS!@@OFMJP@@ - )1IUUQTOFHMJHJUIVCJP - ݚڀ&EHF$PNQVUJOH
4%//'7 ɹɹϓϩτίϧ\ϨΠϠϦϯά ελοΫ^ • ࠷ۙͷ׆ಈ - %PDLFS/'7 ڞஶ τϙϩδΛߟྀͨ͠*B$ ڞஶ - ֊ಠཱੑͷߴ͍ωοτϫʔΫߏ ਐߦத 3 ࣗݾհ ৽͍͠ΈΈΛܗʹ͍ͨ͠ਓ
• 5$1 $6#*$ ͰσʔλΛૹ৴ νϡʔχϯάແ͠ - ૹड৴ऀؒ355NT - 5$1ϓϩΩγૹड৴ऀؒͷதؒʹҐஔ
- όοΫάϥϯυτϥϑΟοΫແ͠ • ૹड৴ؒεϧʔϓοτ͕ߴ͍ͷͲͪΒ - 5$1ϓϩΩγͳ͍߹PS͋Δ߹ 4 ಥવͰ͕࣭͢Ͱ͢ ૹ৴ऀ ड৴ऀ RTT: 30ms ૹ৴ऀ ड৴ऀ TCPϓϩΩγ RTT: 30ms RTT: 15ms
• 5$1ϓϩΩγ͕͋Δ߹ͷ΄͏͕͍ - ຊ࣭5$1ͷ&OEUP&OE && 355Λॖখ • ཧ CQT 8JOEPX4J[F
CJU 355 T • 5$1ͷ-POH'BU1JQF - 355͕େ͖͍ͱଳҬΛ͍Εͳ͍ • ͞Βʹϩε͕ൃੜ͢Δͱ࠶ૹཁٻ͕۠ؒ͘ͳΔ - ߴػೳ௨৴࿏ʹΑΔղܾ • 5$14QMJUUJOHʹΑΔ355ׂ • Ϛϧνύε௨৴ʹΑΔଳҬू 5 ਖ਼ղ
• 5$1"DDFMFSBUJPO<$PN$PN`> - 355ׂʹΑͬͯ5$1ͷεϧʔϓοτΛ্ • %FMBZ5PMFSBOU/FUXPSLJOH %5/ - ϩε͕ൃੜͨ͠߹ͷ࠶ૹ͕۠ؒ͘ࡁΉ
• -ʹ͓͚Δ&&௨৴่͕ΕΔ - ͱ͍͑ݱ࣮ʹϛυϧϘοΫε͕͋;ΕΔ • -ϩʔυόϥϯαɼϓϩΩγͳͲ 6 5$14QMJUUJOHͷޮՌ 5$14QMJUUJOH͞·͟·ͳߴػೳੑʹܨ͕Δ
• 5$14QMJUUJOHΛ༻͍ͨ%5/ - ૠೖͨ͠#VOEMFʹͯ&&Λ࣮ݱ • ແઢ۠ؒͱ༗ઢ۠ؒͰ5$1Λஅ • ͦΕͧΕͷ۠ؒʹಛԽ੍ͨ͠ޚ͕Մೳ 7 #VOEMFϓϩτίϧ
3'$ L7 L4 L1−L3 L7 Bundle L4 L1−L3 L4 L1−L3 TCP A TCP B ༗ઢ۠ؒ ແઢ۠ؒ
• -௨৴࿏ͷ࣮ - -ͰߴػೳੑΛ࣮ݱ͢ΔͱෳࡶԽ͢Δ - ϛυϧϘοΫεͰ-&&่͕ΕΔ • ͱ͍͑ϛυϧϘοΫεॏཁͳஔ • ֊ͷՃΛߟ͑Δ
- %5/͚ͩͰͳ༷͘ʑͳߴػೳੑΛѻ͏ͷՃ • #VOEMF%5/ͷΈ - -ϝΧχζϜͷΈఏڙ • -௨৴࿏ΛΈ߹ΘͤΔ͜ͱͰߴػೳੑΛ࣮ݱ 8 ֊ߏͷ࠶ߟ
• ΞϓϦϙϦγΛୈʹཁٻ͢Δ - ϚϧνύεɼԆੑɼ҉߸ԽɼͳͲ • -ͦΕΛ࣮ݱ͢ΔϝΧχζϜ ϙϦγͱͷ - ֤ϙϦγಉҰͰซ༻Մೳ
9 ֊ߏΛม͑ͯΈΔҰྫ ୈ5 (Layer-5) ୈ4 (Transport) ୈ7 (Application) ػೳ ࣮ ϝΧχζϜͷఏڙ ϙϦγͷऩ༰ ୈ͔Βୈলུ NJEEMFCPYػೳ ௨ৗͷ௨৴࿏ ৴པੑͳ͠ ৴པੑ͋Γ Ԇੑ ଳҬूোੑ 6%1 5$1 ௨ৗͷ5$16%1 5$16%1ΛଋͶΔ 5$16%1ͷ࿈݁ 5$16%1ͷ࿈݁ ΞϓϦέʔγϣϯ
• ݱΞʔΩςΫνϟઃܭॳʹ͍ۙ - ҰํͰωοτϫʔΫͷཁٻଟ༷Խ - ͜ͷ··ͷߏͰػೳΛՃ͢ΔํͰ͍͍ͷ͔ • ظతʹྑ͍͕কདྷͷ४උͱͯ͠ॊೈੑ͕ॏཁ • ֊ߏͱ࣮ࣾձͱͷؔ
- ΠϯλʔωοτϚϧνεςʔΫϗϧμʔ • શһʹͱͬͯ߹ͷྑ͍ΈΛߟ͍͑ͨ - ৽ͨͳੜଶܥ͕ग़དྷ্͕Δ͔͠Εͳ͍ • ࠓ$%/શظɼࠓޙ͍ΘΏΔ*P5͔ʁ 10 ·ͱΊ֊ߏΛߟ͑͢ҙຯ ֊ߏΛΓޱʹকདྷͷΠϯλʔωοτΛߟ͑Α͏
• ωοτϫʔΫஊٛ͠·͠ΐ͏ʂ 11 ͳʹͱ͋Ε