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What’s TCP/UDP?

mcz9mm
July 17, 2018
Technology
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What’s TCP/UDP?

mcz9mm

July 17, 2018
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Transcript

  1. What’s TCP/UDP? Kaoru Matarai

  2. TCP/IPͰ௨৴͢Δύλʔϯ • UDP • TCP

  3. UDP ͸ εςʔτϨε • ૹ৴ݩϙʔτ൪߸ • Ѽઌϙʔτ൪߸ • σʔλͷ௕͞ •

    νΣοΫαϜ(σʔλͷޡΓ͕ͳ͍͔֬ೝ͢Δ) ૬खʹؔ܎ͳ͘ૹΓͬͺͳ͠

  4. UDP ͸ εςʔτϨε • ૹ৴ݩϙʔτ൪߸ • Ѽઌϙʔτ൪߸ • σʔλͷ௕͞ •

    νΣοΫαϜ(σʔλͷޡΓ͕ͳ͍͔֬ೝ͢Δ) ૬खʹؔ܎ͳ͘ૹΓͬͺͳ͠

  5. ΍ΓͱΓ͕୯७ͳͷͰૣ͍

  6. TCP ͸ εςʔτϑϧ • ௨৴Λ୲อ͍ͨ͠ʙ • ૹ৴ͨ͠ॱংͰอଘ͍ͨ͠ʙ • σʔλ͕͚ܽͨ͘ͳ͍ʙ ૒ํ޲௨৴Λߦ͏ͷ͕TCP

  7. ૹ৴ݩ ૹ৴ઌ 1~1000 1001~2000 2001~3000 1001~͘Εʂ 2001~͘Εʂ 3001~͘Εʂ σʔλૹ৴ σʔλૹ৴

    σʔλૹ৴ ACK1(֬ೝԠ౴) ACK2(֬ೝԠ౴) ACK3(֬ೝԠ౴)

  8. ACKͷ΍ΓͱΓͰૹड৴Λߦ͏

  9. END