- P(gun)]
̽ӑطԺУӋ(j)C(j)W(wng)j(lu)n̽̌W(xu)(sh)`cо
ՓP(gun)I~:W(wng)j(lu)̌W(xu)̌W(xu)wϵ̌W(xu)ĸ
Փժ Ҫ:Ӌ(j)C(j)W(wng)j(lu)ǸУӋ(j)C(j)I(y)һT(mn)n҇(gu)ߵҪMɲֵĵطԺУ,茦(du)n̽̌W(xu)wϵ(ni)M(jn)в{(dio)̓(yu),m(yng)ԓn̽̌W(xu)ҪҪᘌ(du)Ӌ(j)C(j)W(wng)j(lu)n̾ͽ̌W(xu)wϵ̌W(xu)(ni)̌W(xu)߽̌W(xu)Ч(yu)̌W(xu)^(gu)̵ȷM(jn)һЩЌ(sh)е̽(sh)`cо
SУU(ku),(li)W(xu)Ӵgľxu,Ӵνu(gu)Ϣg(sh)@lϵġӋ(j)C(j)W(wng)j(lu)yӴ,F(xin)һЩµĆ(wn)},Ӌ(j)C(j)W(wng)j(lu)nwϵñ(ni)ݵĽM(yng)(dng)M(jn)ᘌ(du)Ե{(dio),Ҫƽ̌W(xu),ҕ̌W(xu)YԴ(k)ĽO(sh),Ķ_(d)W(xu)Ӌ(j)C(j)W(wng)j(lu)(yng)
1 ̌W(xu)wϵо
Ӌ(j)C(j)W(wng)j(lu)g(sh)(yng)ÏV(sh)ԏ(qing),Ҹ,Փ(f)s,g(sh)l(f)չѸһT(mn)cg(sh)BнY(ji)϶γɵĽƌW(xu),y(tng)ȻʽM(jn)н̌W(xu)ķʽڲܝM㲻ͬӴΌW(xu)Ҫ,Ѳmʽİl(f)չҪڡӋ(j)C(j)W(wng)j(lu)nγm(yng),l(f)չڌW(xu)W(xu)(x)Ľ̌W(xu)wϵ,ӽ̌W(xu)wϵʹ̎(j)ͬW(xu)Ӵ,m(dng)ս̌W(xu)M(jn)c,Ķ߽̌W(xu)Ч,MˮƽRČW(xu)衣
1.1 ̌W(xu)Ŀ(bio)ČӴλ
(du)Ӌ(j)C(j)W(wng)j(lu)n̽ɲӴεĽ̌W(xu)ģʽ
һ(g)ӴΞӋ(j)C(j)W(wng)j(lu)g(sh)ՓԓӴνҪ֪R(sh)Y(ji)(gu)ĽǶȳl(f),W(xu)Ӌ(j)C(j)W(wng)j(lu)֪R(sh)cܷһ(g)^ȫĻA(ch),ͬr(sh)m(x)n̷(w)
ڶ(g)ӴΞӋ(j)C(j)W(wng)j(lu)g(sh)ʹüܽ,ԓӴνҪB(yng)W(xu)Ӌ(j)C(j)W(wng)j(lu)Ӳc{(dio)ԇW(wng)j(lu)ϵy(tng)bcSo(h)W(wng)վO(sh)cļM(jn)܉QеČ(sh)H(wn)}
(g)ӴΞӋ(j)C(j)W(wng)j(lu)g(sh)(yng)O(sh)Ӌ(j)ܽԓӴνҪB(yng)W(xu)W(wng)j(lu)ϵy(tng)O(sh)Ӌ(j)cʩ,ʹ֮m(yng)Ӌ(j)C(j)W(xu)ƵĄ(dng)B(ti)l(f)չcW(xu)(ͨӍԄ(dng))Ľ摪(yng),Ӌ(j)C(j)W(wng)j(lu)O(sh)W(wng)j(lu);W(wng)j(lu)So(h)M(jn)ɞӋ(j)C(j)W(wng)j(lu)P(gun)I(lng)ϵy(tng)оO(sh)Ӌ(j)So(h)ĸ(j)(f)˲
1.2 ̌W(xu)^(gu)̵ČӴλ
,ڂn^(gu)Ҫ÷Ӵν̌W(xu)Ĝ(zhn)(j)̌W(xu)Ŀ(bio)ČӴ,Y(ji)Ͻ̲ļ̌W(xu)VҪ,ᘌ(du)ͬӴεČW(xu)O(sh)Ӌ(j)mԓӴΌW(xu)(x)Ľ̌W(xu)(ni),Ҫr(sh)a(b)̲ϲԔ(x)ă(ni)ݻM(jn)m(dng)?sh)?_ÿnĻA(ch)(ni)ݺ(ni)
,n^(gu)Ҫ÷Ӵν̌W(xu)Ĝ(zhn)(du)ڵ͌ӴεČW(xu),̎(yng)ŵҪc(din),עvʾ,ʹձĻ֪R(sh)ͼ;(du)ЌӴεČW(xu),̎(yng)v,ҕ֪R(sh)cܵ,Ҫ(do)(d)Q(wn)};(du)ڸߌӴεČW(xu),ԭn֪R(sh)얹̵r,̎ҪһЩ(sh)Ӿ(x),oԓӴΌW(xu)(chung)쪚(d)W(xu)(x)˼ęC(j)(hu),עB(yng)C\(yn)Ӌ(j)C(j)W(wng)j(lu)֪R(sh)Q(sh)H(wn)}nϽ̎Բ_(ki)ʽ̌W(xu),W(xu)І(wn)}r(sh)Sr(sh)ᆖ(wn)ӑՓ,ƽȌ(du)Ԓķʽ,{(dio)(dng)ȫwW(xu)M(jn)̽ھ(x)h(hun)(ji),(du)(x)}ҪʹӴεČW(xu)(du),^y(x)}Ҫʹ͌ӴεČW(xu) (tng)Ҫ(hu),Ķڲ֪X(ju)M(jn)зӴν̌W(xu)
ٴ,ϙC(j)o(do)Ҫ÷ӴΌ(sh)`Ĝ(zhn)(du)ڡӋ(j)C(j)W(wng)j(lu)@T(mn)n,(sh)(yn)h(hun)(ji)(du)얹̌W(xu)nW(xu)Փ֪R(sh)ͲֱӵĎ,䌍(sh)(yn)|(zh)ĸߵֱӰ푌W(xu)W(xu)(x)Ч,˽̎(yng)(du)(sh)(yn)̌W(xu)(ni)Ӵλ(du)ڵ͌ӴεČW(xu),(yn)CԌ(sh)(yn),ͨ^(gu)(sh)(yn)(qing)A(ch),얹̼;(du)ЌӴεČW(xu),Ҫ(yn)CԌ(sh)(yn)A(ch)ϼO(sh)Ӌ(j)Ԍ(sh)(yn),֪R(sh)얹̵ĻA(ch){(dio)(dng)W(xu)(x)eO,(do)(d)˼;(du)ڸߌӴεČW(xu),(yng)ԾCԌ(sh)(yn),O(sh)Ӌ(j)һЩ(yng)ԡ`Լ̽^(qing)˼SČ(sh)(yn)
1.3 ̌W(xu)u(png)ČӴλ
ڽ̌W(xu)Ŀ(bio)̌W(xu)^(gu)̵ČӴλ,̎ڽ̌W(xu)M(jn)Ȱu(png)(bio)(zhn)O(sh)ȷ,Ҫнy(tng)һҪ,Ҫи߶ȵ`,γɽ̌W(xu)u(png)ČӴλֻW(xu)F(xin)֪R(sh)ˮƽĸߵ,(yng)]W(xu)ČӴ,ԌW(xu)ڌӴȡõM(jn)Ҫ(bio)(zhn),ƽr(sh)ɿ(j)ռĩu(png)ıҪ,ӛԃ(ni)ݵĜy(c)ԇ,әC(j)ԇ,Mpu(png)ƫ,(do)W(xu)עڌ(du)֪R(sh)c(din)\(yn)
2 ̌W(xu)(ni)ݽM
طԺӋ(j)C(j)W(wng)j(lu)̌W(xu)(ni)ݵ֪R(sh)Y(ji)(gu)ɷ֞3(g),12,е1T(mn)ƪ,ҪBʲôӋ(j)C(j)W(wng)j(lu)ԼӋ(j)C(j)W(wng)j(lu)ķ(li)29Ӌ(j)C(j)W(wng)j(lu)wϵY(ji)(gu),ҪӋ(j)C(j)W(wng)j(lu)wϵY(ji)(gu)ģ,Լ@TCP/IPģ͵ČӴνY(ji)(gu)ܛӲrͻͨԭ1012Ӌ(j)C(j)W(wng)j(lu)(yng)üg(sh),ҪBӋ(j)C(j)W(wng)j(lu)(yng)ùߵȡ
1.1W(wng)j(lu)һ,1.2Ӌ(j)C(j)W(wng)j(lu)wϵY(ji)(gu)cf(xi)h
2.1,2.2M/M/1(du)ģ
3.1(sh)(j)ݔԭ,3.2õČӘ(bio)(zhn)
4.1(sh)(j)·ӵĻ,4.2ֹͣȴf(xi)h,4.3Bm(x)ARQf(xi)h,4.4xARQf(xi)h,4.5HDLC,4.6PPP
5.1VW(wng)Ļ,5.2·x,5.3,5.4X.25
6.1W(wng)j(lu)B,6.2ؾW(wng)ϵľW(wng)j(lu)
7.1Ӹ,7.2TCP/IPwϵе\(yn)ݔ,7.3UDP,7.4TCP,7.5ӰӋ(j)C(j)W(wng)j(lu)ء
8.1IEEE802(bio)(zhn),8.2IEEE802.3,8.3̫W(wng)
9.1ISO/OSI RMĸ,9.2TCP/IPf(xi)hđ(yng)Ì,9.3ϵy(tng)DNS,9.4Ӌ(j)C(j)W(wng)j(lu),9.5Ӌ(j)C(j)W(wng)j(lu)ȫ,9.6Ӌ(j)C(j)W(wng)j(lu)ϵy(tng)
10.1(lin)W(wng)O(sh),10.2{(dio)ƽ{(dio),10.3W(wng),10.4^ͼ,10.5W(wng)10.6QC(j),10.7·,10.8W(wng)g(sh),10.9W(wng)j(lu)O(sh)
11.1^,11.2W(wng)g(sh),11.3Ӌ(j)C(j)W(wng)j(lu)g(sh)İl(f)չ
12.1W(wng)j(lu)Ϣϵy(tng)_(ki)l(f)
3 ̌W(xu)x
ڵطԺУĽɫλ,@͛Q˽̎n^(gu)вHHҪ֪R(sh),ͬr(sh)ҲڎW(xu)xʹý̌W(xu),@һc(din)@ȞҪ
3.1 vྚ^(gu)ʽ̌W(xu)
þvྚ^(gu)ʽ̌W(xu)B(yng)W(xu)Ӌ(j)C(j)W(wng)j(lu)(yng)͌(sh)H(dng)ڌ(sh)ȞW(xu)^(gu),̎ϙC(j)(x)cI(y),̃(ni)ݽ֪R(sh)c(din)(sh)`wϵ,(du)ÿ(g)W(xu)(j)֪R(sh)c(din)M(jn)п,ĶՓ̌W(xu)͌(sh)`Ӗ(xn)϶,l(f)]W(xu)ČW(xu)(x)(dng)Ժ̈́(chung)@ŇW(xu)ڌW(xu)ڌ(sh)`֪R(sh),õB(yng)W(xu)IJ
3.2 (dng)ʽ̌W(xu)
(dng)ʽ̌W(xu)̎vnoԌW(xu)_(ti)vnԼoԼo(do)һŇW(xu)ͨ^(gu)ԓ,nϹͬоӑՓ̌W(xu)(ni),ʹ̎͌W(xu)֮gW(xu)͌W(xu)֮gȡL(zhng)a(b),{(dio)(dng)W(xu)ČW(xu)(x)eO,ʹW(xu)ɡҪҌW(xu)׃ɡҪW(xu)Ķӏ(qing)ˌW(xu)ČW(xu)(x)dȤͬr(sh)ҲԌW(xu)
3.3 (li)Ƚ̌W(xu)
(du)Փԏ(qing)Ľ̌W(xu)(ni),l(f)W(xu)Փ֪R(sh)͌(sh)Hе^w{:(du)OSIߌģ͵,һ(g)Ϻ_RQ(mo)^(gu)̡龰O(sh)ʹW(xu)w(hu)ʲôҪoW(wng)j(lu)ֳ@߂(g)ӴΡҪĿW(xu)֪@(g)ģʹڵx,(du)ÿһӵԔ(x)^(gu)ĽB
3.4 ̌W(xu)
̌W(xu),Ӌ(j)C(j)W(wng)j(lu)n̵Ľ̌W(xu)^(gu),ͬS|w̫W(wng)հl(f)NW(wng)QC(j)·ȾW(wng)j(lu)O(sh)ᵽnϻֱӌW(xu)(sh)(yn),(du)Ռ(sh)F(xin)(chng)M(jn)v,ģMMһ(g)У@W(wng),(du)oW(wng)j(lu)O(sh)͂ݔ|(zh)M(jn)x͡@(g)W(xu)˽ⲻͬݔ|(zh)c(din)ʹÈ(chng)W(wng)j(lu)O(sh)Ĺܺ͑(yng)È(chng)wW(wng)(bio)(zhn)ĺx,ʹW(xu)߂С;W(wng)j(lu)O(sh)Ӌ(j)W(wng)j(lu)O(sh)x
3.5 ΄(w)(q)(dng)̌W(xu)
̎ʹ΄(w)(q)(dng)̌W(xu)r(sh)Ҫս̌W(xu)(ni),΄(w);ȻҪ͌W(xu)ͬ΄(w),vc(din)yc(din),߀Խo΄(w)֪R(sh)c(din)Ȥ(sh),ߌW(xu)ČW(xu)(x)dȤ;ͬr(sh)ҪڙzO(jin)΄(w)ɵr,Д(sh);Ҫƶһ(g)^u(png)֘(bio)(zhn)vDNSϵy(tng)r(sh),(du)I(y)M(jn),΄(w),ʹW(xu)΄(w)ͬr(sh)W(xu)(hu)DNS(w)Ĺ,̎(du)֪R(sh)M(jn)Кw{Y(ji)
öŇW(xu),ʹ̌W(xu)^(gu)c(din)ͻ(jin),{(dio)(dng)ˌW(xu)ķeOԲ(yng)֪R(sh)ͼ(du)ڵ͌ӴΌW(xu),ͨ^(gu)̎(dng)vںԼľ(x)^졢^õn̻(ni);(du)иߌӴΌW(xu),W(xu)S^(gu)ȥ˽](mi)յ֪R(sh)ͼ,ˌ(du)Ӌ(j)C(j)J(rn)R(sh)c˽
4 ҕ̌W(xu)YԴ(k)O(sh)
ڡӋ(j)C(j)W(wng)j(lu)nnr(sh),̎܌yc(din)(f)v,Ҳ֪R(sh)c(din)㵽,ԓnҪMɲֵĽ̌W(xu)YԴ(k)O(sh)ҪԾ@(li)҂?c)ڳַn̽̌W(xu)(ni)ݼW(xu)ĻA(ch),_(ki)l(f)˴W(xu)Ӌ(j)C(j)W(wng)j(lu)g(sh)̌W(xu)ƽ_(ti),W(xu)ṩn̵ȫ̰(sh)(yn)(yng)ðyc(din)vʾʾnȶNYԴ,̎ṩزĎ(k)ԇ}(k)ȂnYԴ
̌W(xu)YԴ(k)ĽO(sh)ʹ̌W(xu)(ni)ݵdwĆһ|(zh)Ľ̲ýw̌W(xu)YԴl(f)չ,̌W(xu)ҲԽ̎ԌW(xu)D(zhun)׃ͨ^(gu)YԴ(k),W(xu)ԸIJԌW(xu)ԃķʽW(xu)(x)P(gun)(ni),(du)֪R(sh)c(din),ͬr(sh)Ҳ呟ˌW(xu)ԌW(xu),M(jn)ˌW(xu)(dng)ceOԡ
5 Y(ji)Z(y)
B(yng)W(xu)ܵġӋ(j)C(j)W(wng)j(lu)n,҂؟(z)Ҳx(w)̌W(xu)wϵ,ϣM(jn)һӴ̸ĵĴ,ԸƬF(xin)н̌W(xu)(li)IJY(ji),ҽY(ji)Ϯ(dng)ǰwƸĸ(ni),ڽ̌W(xu)(ni)̌W(xu)̌W(xu)ֶ(sh)(yn)̌W(xu)Y(du)鼰YԴ(k)O(sh)ȷM(jn)в̽cо,ŬB(yng)|(zh)Ą(chung)˲š
īI(xin)
[1] .Ӌ(j)C(j)W(wng)j(lu)̌W(xu)о[J].ؑc]늌W(xu)ԺW(xu)(bo)(ƌW(xu)),2004(6).
[2] Y.Ӌ(j)C(j)I(y)Ӌ(j)C(j)W(wng)j(lu)n̽̌W(xu)̽ӑ[J].Ӌ(j)C(j),2009(24).
[3] ܽ,m.Ӌ(j)C(j)W(wng)j(lu)n̽̌W(xu)ĸо[J].,2005(34).
[4] ,KС.Ӌ(j)C(j)W(wng)j(lu)g(sh)̌W(xu)˼[J].Ƽ,2007,12: 149150.
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