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インターネットのガバナンスと応用 / Internet Governance and Appl...
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Kenji Saito
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April 26, 2026
Technology
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インターネットのガバナンスと応用 / Internet Governance and Applications
早稲田大学商学部「サイバーフィジカル社会と金融の未来」2026 春の第3回で使用したスライドです。
Kenji Saito
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April 26, 2026
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Transcript
Generated by Stable Image Ultra 2026 3 2026 3 —
2026-04-28 – p.1/44
https://speakerdeck.com/ks91/collections/cyber-physical-society-and-future-of-finance ( ) 2026 3 — 2026-04-28 – p.2/44
( ) 1 4 14 • 2 4 21 •
3 4 28 ( ) • 4 5 12 ( ) 5 5 19 AI 6 5 26 AI ( ) 7 6 2 AI 8 6 9 ( ) 9 6 16 ( ) 10 6 23 11 6 30 12 7 7 13 7 14 ( ) 14 7 21 1 3 ∼ ( ) 2026 3 — 2026-04-28 – p.3/44
( ) 2026 3 — 2026-04-28 – p.4/44
World Wide Web 2026 3 — 2026-04-28 – p.5/44
2026 3 — 2026-04-28 – p.6/44
1. (1) 1-2 AI AI (2) 2026 4 24 (
) 23:59 JST ( ) Waseda Moodle 2026 3 — 2026-04-28 – p.7/44
. . . . . . 88 65 (4/27( )
) ( ) ( ) : 6 2026 3 — 2026-04-28 – p.8/44
O TCP UDP ⇒ TCP (Transmission Control Protocol)( ) :
UDP (User Datagram Protocol)( ) : Google TCP UDP 2026 3 — 2026-04-28 – p.9/44
A AI ⇒ . . . → ( ) (
) 2026 3 — 2026-04-28 – p.10/44
K “ → → ” ⇒ ( ) ( )
2026 3 — 2026-04-28 – p.11/44
I [ ] IP over everything Everything over IP [
] ⇒ IP over everything Everything over IP everything ( ) 2026 3 — 2026-04-28 – p.12/44
N [ ] AI ⇒ 2026 3 — 2026-04-28 –
p.13/44
Y [ ] AI 0 1 ⇒ 0 1 .
. . ↓ 0 1 2026 3 — 2026-04-28 – p.14/44
K [ ] ⇒ 2026 3 — 2026-04-28 – p.15/44
T ⇒ 2026 3 — 2026-04-28 – p.16/44
→ → → → → (OpenAI 3) 2026 3 —
2026-04-28 – p.17/44
I AI ⇒ ( ) AI AI 2026 3 —
2026-04-28 – p.18/44
N ⇒ 2026 3 — 2026-04-28 – p.19/44
(global) (international) 2026 3 — 2026-04-28 – p.20/44
2026 3 — 2026-04-28 – p.21/44
(roundabout; ) 2026 3 — 2026-04-28 – p.22/44
ISOC (Internet Society) IETF (Internet Engineering Task Force) ICANN (Internet
Corporation for Assigned Names and Numbers) ASO (The Address Supporting Organization) GNSO (Generic Names Supporting Organization) ccNSO (Country Code Names Supporting Organization) IGF (Internet Governance Forum) 2026 3 — 2026-04-28 – p.23/44
IETF IETF — IETF IETF web 2026 3 — 2026-04-28
– p.24/44
IETF ( ) We reject kings, presidents, and voting We
believe in rough consensus and running code — David Clark — Jon Postel 2026 3 — 2026-04-28 – p.25/44
. . . — 1999-07-07 From “DOCUMENT LIFE a ryuichi
sakamoto opera 1999” 2026 3 — 2026-04-28 – p.26/44
2026 3 — 2026-04-28 – p.27/44
80 (HTTP OK ) 2026 3 — 2026-04-28 – p.28/44
2 : : 2026 3 — 2026-04-28 – p.29/44
( ) (X window) (SMTP/POP) (NNTP) (FTP) (IRC) (gopher) Gopher
Go 2026 3 — 2026-04-28 – p.30/44
( ) ⇓ WWW : World Wide Web → (by
Ted Nelson, 1963, 1974) (web) 2026 3 — 2026-04-28 – p.31/44
World Wide Web ( ) 2026 3 — 2026-04-28 –
p.32/44
2026 3 — 2026-04-28 – p.33/44
( ) ೖྗ σδλϧͳΒԿͰΑ͍σʔλͷू߹ ແݶ ग़ྗ CJU ͳͲݻఆͷͷू߹ ༗ݶ ग़ྗʮμΠδΣετʯͱݺΕΔ
খ ͞ ͍ ॱ ʹ ฒ Μ Ͱ ͍ Δ ͱ ͠ ͯ খ ͞ ͍ ॱ ʹ ฒ Μ Ͱ ͍ Δ ͱ ͠ ͯ 4)"ͳͲͷؔ 4)"4FDVSF)BTI"MHPSJUIN Ұ༷ʹ ϋογϡؔͷੑ࣭ ภͬͯ Ϛοϐϯάʹ๏ଇੑ͕ແ͍Α͏ʹݟ͑ɺ ˠͷํʹ҆ՁʹܭࢉͰ͖Δ͕ɺ ٯͷํʹܭࢉͰ͖ͳ͍ Ұํੑ ҉߸ֶతϋογϡؔͷੑ࣭ ແݶΛ༗ݶʹϚοϐϯά͢ΔͷͰɺҟͳΔೖྗ͕ ಉ͡ग़ྗ݁ՌʹͳΔ߹͘͝رʹ͋Δ িಥ িಥ ͤ͞Δํ๏ ͕ݟ͔ͭͬͨ҉߸ֶతϋογϡ ؔ҆શͱݟͳ͞Εͳ͍ 2026 3 — 2026-04-28 – p.34/44
( ) ൿີ伴 伴ϖΞ ͋Β͔͡Ί ੜ ൿີʹӅ࣋ͭ͠ ͋Β͔͡Ί͓͍ͯͯ͠Α͍ ॺ໊Λ࡞ͬͨͷެ։伴ʹ ରԠ͢Δൿີ伴Λ͑Δ୭
͔ ͢ͳΘͪॺ໊ऀ ͩ͠ɺ ݩͷσʔλॺ໊ޙCJU มΘͬ ͍ͯͳ͍ ͜ͷΈ͕ਖ਼͘͠ಈ࡞͢ΔͨΊʹɺ ड͚औͬͨެ։伴͕ຊʹॺ໊ऀͷͷ Ͱ͋Δͱ͍͏ԿΒ͔ͷূ໌͕ඞཁ ʲॺ໊ΞϧΰϦζϜʳ ೖྗݩͷσʔλɺ ൿີ伴 ग़ྗॺ໊ ʲॺ໊ݕূΞϧΰϦζϜʳ ೖྗݩͷσʔλɺ ॺ໊ɺ ެ։伴 ग़ྗ0,·ͨ/( ެ։伴 ॺ໊ऀ ॺ໊ ΞϧΰϦζϜ ॺ໊ݕূ ΞϧΰϦζϜ 0, ·ͨ /( Πϯλʔωοτ ݕূऀ ެ ެ։ ։伴 伴 ެ։ ެ։伴 ެ ެ։ ։伴 伴 ݩͷ σʔλ ݩͷ σʔλ ॺ໊ ॺ໊ 2026 3 — 2026-04-28 – p.35/44
World Wide Web 2026 3 — 2026-04-28 – p.36/44
World Wide Web 1989 CERN Tim Berners-Lee 1990 WWW WWW
NeXT HTML 1.0 1991 WWW 1993 Mark Andreessen Mosaic WWW 1994 Tim Berners-Lee W3C (World Wide Web Consortium) 1995 HTML 2.0 2014 HTML5 2021 HTML Living Standard 2026 3 — 2026-04-28 – p.37/44
World Wide Web HTTP/HTTPS HyperText Transfer Protocol (Secure) HTML HTML
Hyper Text Markup Language Web W3C → WHATWG URI Uniform Resource Identifier ( ) URL(Uniform Resource Locator)( ) URI 2026 3 — 2026-04-28 – p.38/44
URL ( ) https https://www . google . com: 443
/search?q = refrigerator ( ) https 443 2026 3 — 2026-04-28 – p.39/44
HTTPS $ openssl s_client -connect www.waseda.jp:443 GET /top/ HTTP/1.1 Host:
www.waseda.jp openssl www.google.com:443 GET /search?q=refrigerator 2026 3 — 2026-04-28 – p.40/44
HTTP/HTTPS 1 1 ( ) → . . . etc.
URL HTTP cookie 2026 3 — 2026-04-28 – p.41/44
2026 3 — 2026-04-28 – p.42/44
World Wide Web ( ) ( ) ( ) (
) ( ) ( ) ( ) 2026 3 — 2026-04-28 – p.43/44
Zoom 2026 3 — 2026-04-28 – p.44/44