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What’s TCP/UDP?
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mcz9mm
July 17, 2018
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What’s TCP/UDP?
mcz9mm
July 17, 2018
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Transcript
What’s TCP/UDP? Kaoru Matarai
TCP/IPͰ௨৴͢Δύλʔϯ • UDP • TCP
UDP εςʔτϨε • ૹ৴ݩϙʔτ൪߸ • Ѽઌϙʔτ൪߸ • σʔλͷ͞ •
νΣοΫαϜ(σʔλͷޡΓ͕ͳ͍͔֬ೝ͢Δ) ૬खʹؔͳ͘ૹΓͬͺͳ͠
UDP εςʔτϨε • ૹ৴ݩϙʔτ൪߸ • Ѽઌϙʔτ൪߸ • σʔλͷ͞ •
νΣοΫαϜ(σʔλͷޡΓ͕ͳ͍͔֬ೝ͢Δ) ૬खʹؔͳ͘ૹΓͬͺͳ͠
ΓͱΓ͕୯७ͳͷͰૣ͍
TCP εςʔτϑϧ • ௨৴Λ୲อ͍ͨ͠ʙ • ૹ৴ͨ͠ॱংͰอଘ͍ͨ͠ʙ • σʔλ͕͚ܽͨ͘ͳ͍ʙ ํ௨৴Λߦ͏ͷ͕TCP
ૹ৴ݩ ૹ৴ઌ 1~1000 1001~2000 2001~3000 1001~͘Εʂ 2001~͘Εʂ 3001~͘Εʂ σʔλૹ৴ σʔλૹ৴
σʔλૹ৴ ACK1(֬ೝԠ) ACK2(֬ೝԠ) ACK3(֬ೝԠ)
ACKͷΓͱΓͰૹड৴Λߦ͏
END