84 ܚૅ
C ৹ࢨᇄ
Internet
႓ԋ෍
Internet ఇሤķ
1չऻ qႏႬӵ࿁r໗ࡵࡇᇓ֩q
Internet ৹ࢨrႏႬӵ࿁d
2ೆݘྷဵĩ౬׈σ qୁᇆלᇉࢷלచr๱їd
3ೆݘྷဵĩ౬ൿೊୡ֩ѱހ׌߉ހખcᅯ߀଄ӯވ૥ખd
4׈σ q৹ࢨrd
q
Internet ৹ࢨrߺѱೊ
ISPĩಚޮࡽ৯৹ࢨd
႓ᅿחঙ
TCP/IP ჭᄊՓဟĥത
Web ᜴਍౸ࡩتኒᄑ࣓Ħඪናِ੗आķ
1׈σ q
PPP ࿎ཟrĥᄡqອ઒rძᇆ֩ q
PPPr૯ϴᇓĦd
2࿎ᄸ qྷဵൌስײ৹ࢨrሃ࠾۰d
3׈σ qݾrѭ׈σqཇᄡႏႬrd
DSL غሧकغ౸cྮਏغሧकغ౸ࡩ१ᄹ་ Internet ੗आ
ೆݘୡൔႬ
DSL לᇉࢷלచcཐ঱לᇉࢷלచࠋၟขउმອ৹ࢨᇄ
Internetĩ౬࿜
ໝ
ISP ࠋອ઒ܹড়ჸୡႏೆމனᇆ
Internet ৹ࢨķ
ÂාِķҔႬ൱ײனᇆĩୡ֩
ISP ࠋອ઒ܹড়ჸߺุ܆ࣥฃ֩
IP ֽᆺၟࠧୡྷဵᄡ
qອ઒rძᇆᇓൿೊ֩ఇ෴ྔ༓d
Â඲ᄊqِ๡ቘࡱఇሤ࿚გr (DHCP)ķҔႬ
DHCP னᇆĩ DHCP ڟ༄చߺስײຽୡ
ൿೊᆇླྀྔ༓d
Â඲ᄊqႽ๠་൪؇ئٵئ࿚გr (PPPoE)ķೆݘൔႬ
DSL לᇉࢷלచѭྷဵႬ߀
଄ӯވ૥ખণ৹ࢨᇄ
Internetĩୡग़ୃྷဵࢀອ઒னᇆӲൔႬ
PPPoEd
ಖ׫ᄡୡனᇆອ઒ൌၜ࣠ऒХਘ
ISP ෲุ܆֩ྔ༓ ĥ౬ҙᄋֿ
81 ှĦd
CHLL3140Q41b.book Page84 Friday,February 18,2005 3:45 PM