86
ܚૅ
C
৹ࢨᇄ
Internet
PPPoE
ఇሤ
ଚླྀࠒჃ
DSL
לᇉࢷלచ֩
ISP
ൔႬqၟขອഌོ֩ؗၴr
(PPPoE)
dೆݘൔႬ
DSL
לᇉࢷלచѭྷဵႬ߀ӯވખণ৹ࢨᇄ
Internet
ĩ౬ໝୡ֩
ISP
ၟऩ
ൢڒႏۂൔႬ
PPPoE
৹ࢨd
႓ඃሤ
PPPoE
आķ
ምХݾ
ISP
ุ܆֩Ⴌ߀ӯcખၟࠧმڟ༄చ
(DNS)
ֽᆺ ĥೆݘྷဵĦĥ౬ҙ
ᄋֿ
79
ှĦd
1
ᄡ qອrძᇆᇓĩ՚ qཅ൙r֔ԟ൘Җ֊ᇓ࿎ಀ qୁࡽၟขອrd
2
σ q
PPPoE
rĩ࿎ಀ q৹ࢨൔႬ
PPPoE
rd
3
ࢀྔ༓ࡳೊདႏ֩ধ໎ᇓdೆݘୡ༔ະഌ֩ෲႹႬ߀ൔႬད֩৹ࢨٞ൘ĩ
౬࿎ಀ qխԩખrd
ቡဵཛྷᄡగײ၆۵
TCP/IP
ႏႬӵ࿁ ĥೆ
Web
ᛖযచࠋሴႳࡵӵ࿁Ħൌስײ
৹ࢨĩ౬σ q
PPPoE
࿎ཟrĩಚޮ࿎ᄸ qྷဵൌስײ৹ࢨrd
4
σq
TCP/IP
rĩѭ σᅺ
ISP
֩ථ՚qனᇆ
IPv4
r֔ԟ൘Җ֊ᇓ࿎ಀqൔႬ
PPP
r
ࠋq൱ײrdೆݘୡ՚
ISP
ମ֢֨ਘ၆۵ࣥฃ֩
IP
ֽᆺĩ౬࿎ಀ q൱ײrѭᄡ
q
IP
ֽᆺrধ໎ᇓࡳೊۂֽᆺd
CHLL3185.book Page 86 Monday, April 4, 2005 4:41 PM
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