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dz̸סլСƼʵ .............................................. һ .......................................................... 5 ڶ

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dz̸סլСƼʵ
ժҪ ժҪŻռ뷢չСĽϢչıȻѡС ϵͳһdzӴӵϵͳ Ϊִסլ ۺϢһϵ Ӧṩƽ̨ ṩӦ÷ ʹϢܼʱ ׼ȷش͸ϵͳ סլС̽ҪӦ缼еҪ֧ģ ҵƿ⽫ҪС罨̿õĸּʵʩΪ ƷΪСĽṩݺʵָ ؼʣInternet硢Э顢ǽ

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磬ȽĿѧٷչǵԶӰ죬 ǵʽ ԼΪϢƼķչ죬 Ӹ Ӱ͸ıǵ еļ缼ķչΪѸ٣ Ѿ͸ ĸ棬Ѿ벻磬Ѹռǵѧϰ ķ㣬ⲿϵӵĽܺͿ١ ǶϢԴԼϢ ʹ缼IJͿٷչ

IJʹΪϢķչ˸Եı仯 1995 й CERNETɺСĽѾ뵽һչĽ׶ΡС ɺʹã߽ѧͿеƽѧͿӿСϢ̣ չýѧоԼʹѧ˲š жɹʮҪԶ塣 Ҫ־ļ˼롢 Ʒ ˽ṹ ϵͳ Intranet/Internet Ӧá簲ȫϵͳάݡͨҵƿϣʹܹ ˽СĽԼ漰ĸ缼 ܶԽѧϰ缼֪ ʶǽСĹ̽

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һ Ҫ СϢҪ,ΪӦϵͳṩ㡢 ݵϢͨ· õܣ ִܹ֧ʵʱԵĸӦãܹɿУнϵ͵ĹʺάҪṩ 簲ȫƣСϢȫҪ󣬾нϸߵԼ۱ȣδչף Ͷʣûʹü򵥡άס ĵӣΪϢ ṩЧĸͨϵͳǧ̫Э TCP/IP Э飬Ӧ ƵݵȵۺӦáҪ졢ۺѵ ƷĽǧ̫֧ VLAN ȹܣܽϺýͻ ܼʵʱӦ⣬ ڲûն˽Ƶźš ݽʱ治 ֹݰײʧ󣬻ҪԤƿֺͲȵӦʩ 뽻ɲԵһIJƷϵͳϢݡͼȣҪ ʵʱ⣬رҪǰƵڵϢȷʵʱҪUPS Դ 䱸Ҫ֤еķ·豸ת ķ䣺ӦСϢΣԳ Чʡ ڶ ϵͳҪ ü򵥷㣺еĿͻ˺ͷϵͳӦú͹ģϿͻ ķʹ;㷺豸֧֣ вϵͳѡ ķӦ㷺ָ֧Ӳ豸; ȶԼɿԣϵͳӦиȶԣϵͳĸ޹Сɹԣ ϵͳӦṩĹʽ͹ߣ ϵͳԱκλ÷Ķϵͳ й;͵ijɱϵͳӦϵͳijɱȫԣϵͳơʵ ּӦӦöְȫֶα簲ȫ绹ӦпԡչԼԣ ȫϵͳҪÿŵļͱ׼ѡIJϵͳӦ ϵͳܹ Ӧδ깫˾ҵչ󣬱չͼŵĽṹ ûҪ ҪӦϵͳܴϢĴͼ㣻Ҫû򵥡 ûʹϵͳٶȣҪǧ̫Ϊ ɵ缼 ṩ׼ĸٶӣ ͬһֶַ֧ ֧ĿǰδӦúͷΪ׼ ʹõ豸 ЭȫϹͨ ı׼е绷ṩõĻԣҪṩ㹻ĴḻĽӿ ʽûӦôĻҪ󣬲һչʹãܵؽ 紫ӳ٣ҪкܸߵĿɿԡȶԼܹ࣬ṩõİȫԲԣ ܱڲʧɵ𺦺ⲿĶ⹥ Ľ 豸Ҫ С 繦ʵʵIJϵͳ¥豸Ҫѡͬһͺŵ豸;ϵͳ

ԸҪͨѵʽ;ĽҪ 豸ڼϾȽԡͨԣڹάӦ См豸ĸٽ룬Ӧþ߱õĿչԡԣûͶ ʡ 豸㹦ܵĻϱõԼ۱ȡ 豸Ӧѡӵ ʵгݶij̵Ʒ ͬʱ豸̱Ҫõгۺ֧ ֡



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3.1 ִ㼼ͨż͸ нϵIJ Ϣ ĹϢݵǿչġ ν缴ͨ豸· λòͬġ ܶĶϵͳ ԹƵʵе ԴϢݵϵͳ簴ĸǷΧֵĻɷΪ LAN(Local Area Network) MAN(Metropolitan Area Network) WAN(Wide Area Network)Ǿõ(Internet)ڹСδ缼 ʹü򵥡ٿݡȫܷչ 3.1.1 סլС˼· סլСĽһdzӵϵͳ̣סլСΪһӦû Ľʹöص㡣 ѡ缼ʱҪֿʽ ֲʽ ȫɿ ά򵥵ԭ סլСĽҪӦþԻ缼Ϊ ĸӦüСʹ˾ԼֶýӦü Internet Ӧõļ衣 3.1.2 סլСĽԭ סլС罨һۺԷdzǿϵͳ̣ϵͳ滮Ӳ ѡõ෽档 סլСĽ蹤б봦ʵ뷢չ ʹѵȹϵӶʹסլСĽ蹤ȶؿչȣס լСĹ滮У סլС糤Զչ滮 ԷСΪ 㣬СǰʵҪѧĹ滮סլСĹ滮Уһ СӦѭͳһ滮ơԭסլСĽбӲ ֯ЭչԭӲͬʱǿ֯ˮƽϿ ĹܣӶַСĹЧ 3.2 ͬһͬһСԲԶĵڵר硣 ͨӹ˾칫һҵڲĸ˼͹վԹӲԴ ͵ӹʦЭᣨIEEE׼ίԱԱһЩ ͨžһƣһ 12Km ĵΧڡһ칫¥ڡһѧ Уȡ ϸߴʵͨŵҲǾһҪΪ·Ƚ϶̣ м伸κθţԾʼһµĵʡ һһ λרõģԹܷ㡣

3.2.1 ϵṹ ͨ򼶵ķʽ֯ ÿһ㶼²֮ϡ ͬ磬 ֡ ݺ͹ܶͬÿһĿĶһṩһ ͬġЭļϱΪϵṹΪϵṹǰҪĺʹ 㷺ṹ OSI ϵṹ TCP/IP ϵṹOSI ǿϵͳοģ OSI/RMOpen System Interconnection Reference Modelдֳ 7 㣬Щδ ϵ·ֱӦò㡢ʾ㡢Ự㡢㡢㣬·㣬 λϵṹͲ㣬 OSI еԺ͵ԡ TCP/IP Transmission Control Protocol/Internet Protocol ЭͻЭ飩 д TCP/IP ϵṹǵǰӦ Internet еϵṹ OSI ṹݱģûбʾ 㣬ֻӦò㡢㣬ӿڲ㡣 3.2.2 Э

Эͨ˫ͬصԼ͹淶 豸밲װøЭ֮ ݵĴͷͣСõЭҪУICP/IP Э顢IPX/SPX Э ȡ (1) TCP/IP Э TCP/IP ЭĿǰӦõ㷺Э飬ICP/IP ʵһ Internet ׼ŵ Internet 㷺ӦöȫҲΪѡЭ顣TCP/IP һ ֲЭ飬Ϊ 4 ΣԼ 100 רЭ飬ͨЩЭ飬Ը ЧͿɿʵּϵͳ֮Ļ TCP/IP ЭеĺЭ TCP Э飩 UDPûݱЭ飩 IPЭ飩 TCP ЭûӦý ֮佨ͨŻỰ ʵƺʹ⣬ Ϳڲɿṩ ɿĶ˵ݴ䡣UDP ЭһӵЭ飬ڴ֮ǰӣ ҲṩõĿɿԺͲ飬ֻУ֤ɿԡUDP ƣûлȷϣʹݵٶȿ죬ؼ״̬ Ϣ IP ЭĻṩݴ䡢ݰַݰ·ɣֶεȡͨ IP ַ ԼԳɹؽͨ·ɴ䵽ȷÿվһ 32 λ IP ַ 48 λ MAC ַһЭͨţIP ЭҲһӵЭ 顣 2ıЭ(HTTP) HTTP(HyperText Transfer Protocol )ıЭ) WWW WWW ֮ӦòЭ飬 ڷֲʽЭıϢϵͳġ ͨõġ Э飬 HTTP Э黹ǻ TCP/IP Э֮ϵӦòЭ 3ļЭ(FTP) FTP(File Transfer Protocol ļЭ)֧ Internet ļĸֹ ļϡЩʹûļһһϣFTP Dzɿͻ/ ʽġ 4Զ̵¼Э飨Telnet Զ̵¼ЭĿṩһȫġ˫ġ 8 ֽڵͨŹߣ ҪĿṩն豸̽ӿڵı׼ Telnet ӦòЭ飬 ÿͻ/ ģʽģTelnet û¼ԶϣûִԶ

ûԼСԴɴ͵Ӧá

罨Ļ֪ʶ
4.1 豸 豸ҪָӲϵͳ豸֮໥໥ģÿ һŲͬã ȱһɣ ֻаЩ豸ͨһʽ һϵͳ豸Ҫ·ʵȡ 3.1.1 NIC Ҳ俨ӿڿΪӵĽӿڣ Dzȱٵ豸֮һ˫硢ͬ绹ǹ磬 Ӧ͵ʵӣ Ǽ໥ӵΨһӿڡ ÿ ϶һΨһ ID ţҲ MACMedia Access Controlַ ֮󣬾 ID Ųʵڲ֮ͬͨźϢк ֣ ͬ͵Ҫʹòͬ ͬٶȵҲҪʹòͬ ĿǰС罨ʵ ѡ PCI ߵ 100Mbit/s/1000Mbit Ӧ ʺϡ 4.1.2 ҲƽʽרƵģʹܹ໥ͨŵĶ 豸 ɽĽʽϵͳӵиٵĴʣ ҽʱС ʹϢĴЧʴߣ ʺڴʹ÷dzƵͨţ 㷺Ӧ ڸ͵Ķýݴ硣 кǿܣ Զ ͨŵʹ̬磬Ϊ˶ơ 4.1.3 · ·Ӳ֧ͬͲͬͨý顢˺͸ ·ɱпƺ͹ӵ·ֶΡֹ籩 ֧֮ṩȫϲȵܡ ·豸ɿԷΪ·ɺӲ·ɡ · ÷ʽԽ·Ϊ̬ĺͶ̬ġ ·㣬 㽻·֡ʵǶԷַ֡··鿴 ֡Ŀַ·ɱ鿴Ŀַ··Ĵۣѡһѵ· Ȼ֡·͸Ŀַ 4.1.4 ҪѸļģ ͱȻҪһֽʽ ǴʣĴʿɷΪ߽ʺ߽֣һ¶ ߽ʵģΪȶԸߣӿɿֻ߽⻷²ʹõĴ䷽ ʽõ߽Ҫ¼ࡣ (1) ͬ ͬӲͭΪоһԵϡԵ֯״廷ƣ ָһ㱣Բϡ ֲͬͬĹ ϸͬºʹͬ ¡ϸͬҪڽڵӣͬڽ ڴͬθãܴԶľ롣 ͬĵ塢Ե 㡢״֯ﹹɵβԼⲿϲɡ (2) ˫

˫ۺϲ߹õһִʡ˫оԵͭ ɡԵͭ߰һܶȻһ𣬿ɽźŸŵij̶ȣÿһ ڴзĵ粨ᱻһϷĵ粨 ȣ ˫ 롢ŵȺݴٶȵȷܵһƣ۸ΪĿǰ˫ ߿ɷΪ˫ߺ˫ߡ (3) һֱΪ 50100um ġܴⲨĽʣһɲ졣 Ϊģ(Single Mode Fiber)Ͷģ(Multi Mode Fiber)ģ˵оֱС ڸĹֻԵһģʽ䣬Ƶ󡣶ģڸ ϣԶģʽͬʱĹˣ뵥ģȣģ˵Ĵܽϲ Ŀǰṹķչû࣬ǧ齨Ϊѡ סլСϵͳ

5.1 סլСĽ滮
סլС罨Ϊһӵϵͳ̣ κһ̽һ ڿʼǰ Ҫݹ̵صȽϸĹ̹滮뼼 ijɹֱӰ쵽 ̵ĽԼܷɿжֱӵĹϵ Ҫرؽϵͳ С˵ԼСķչǰѵʶֻܺ õΪסլСкĹ滮 5.1.1 סլСṹҪǽƺ߼ƣ ɽṹƺ 豸ѡ͡ ṹƶϵͳ˵ʮҪģ Ƶijɹ ֱӰʹùܵʵԼǷ ϵͳ סլСϵͳĺģбѭԭ aӲĿԡϵͳ Ӳñ뿼ǸԼҪ󡢵ǰˮƽ͸ʽ٣ ʵԺͼԡ bϵͳԭϵͳӦõĿԣְԺչ ԣӦIJϷչͲǿӦˣӦùҵ׼ʵϵĹ ҵ׼ϵͳʱҪϵͳڣһҪǰ 3~5 꿼ǡ c ԭڽϵͳƺʱܶìܣ޺ԭ򣬽ۺ ǺۣѡӦǵУȽԡɿԡȫԡԡ dԡ ȽԭϵͳĴĿǰҪãҪһӦӦõIJ ùϵҵ׼ǿӦԣ̭Ҫ㹻չأԱ ϵͳ͸Ľ һ סլС·˼ סլСĽһ ӵϵͳ̣ סլСΪһӦû Ľʹö ص㡣ѡ缼ʱҪֿʽֲʽȫɿά򵥵ԭס լСĽҪӦþԻ缼ΪĸӦü һ 20 70 չļķչѾ죬 õ˹㷺Ӧã Ϊ缼Ҫɲ֡ ý弼ǰ ŶýϢӦöõѸٵļӦü 绷£ ýõ˸ Ӧã ʹǵõ˸øϢ Сʹ˾ԼֶýӦü Internet Ӧõļ衣סլСģͨһ ˽ṹСģ ʹ֮ͨһӦ칫 Сھ СڵϢ桢Զ̵ͨѶInternet ͨѶȻܡ סլСĽԭ סլС罨һۺԷdzǿϵͳ̣

ϵͳ滮 Ӳѡõ෽档 סլСĽ蹤 봦ʵ뷢չʹѵȹϵӶʹסլСĽ蹤 ȶؿչȣסլСĹ滮УסլС糤Զչ滮 ԷСΪ㣬СǰʵҪѧĹ滮С Ľԭ (1).Ƚԭ õǰӲ³ɹһ Ϲʱ׼šܡ׹ļϵͳ (2).ʵԭ ϵͿ ǰҵҪһʱڷչҪһִֶͨεļ磬 㹲Դҵ͹Чʡ (3).ɿԭ ϵͳӦܱ֤ʱȶ ɿС (4).ԭ һʽԴ£һˮƽƵļ硣 (5).ɱԡչԭ ֧ƽ̨ϵͳÿŵĽṹϹʱ׼Ӧ չͱ仯 ֿǵĿǰҵͽϳʱҵչҪ ø ɼܻȼӦҵķչͱ仯 5.1.2 缼 ֪ǰ缼ķٷչڹ滮һϵͳķʱѡ缼 ܶࡣϵͳĽӦѭ߿ɿԡȽԡ׼չά Ժõԭ򣬲ֿܼ۸ȺͽķչҪϵͳԺãƽ ӣƿѡ缼Ϊ㣺 (1).Ҫ˽ÿ缼 ص㡣 (2).ѡ缼Ӧǵ (3).ѡ缼ҪӦý ǰȽеļҪУFDDIǧ̫ATM FDDI Ǽǰʮе 缼Ȼʮֳ죬ҳɱϸߣѱ̭ ATM DZȽȽ缼 Ԫʽ Ժܸߵ佨ֱӵ ͨ·нǿĴATM ͬʱ֧ݡֻ/ͼ 䡢ֶ֧ý崫ӦãͬӦвͬIJԣԴԤƿָ֧ʵʱ ӦرʺڶýϢĴ䡣ʵʹ˿ڼ۸ߣԴģ áǧ̫ŵ㣺 (1).дʩݡȨͳƱ綼 ̫ǧ̫Ȼļԡ (2).ijԺȶԡ ̫ʮֳģϵͳĿɿԽӽһĵ绰ͨϵͳ (3). ǧ̫ȫǰ 10M100M ̫ݡˣȻ ʹǧ̫ȫִ̫нԱٵ ⡣ СҪǵ⣬缼ѡ˽ṹѡƷ ѡѡԼϵͳӦ÷簲ȫȷ档 ǰܹĸ缼סլС齨ѡ (1) ϵͳĽӦѭ߿ɿԡȽԡ׼չ άԺõԭ򣬲ֿܼ۸ȺͽķչҪϵͳԺãƽ ӣƿͨ޷츲ǣѴﵽЧӦá (2) ˵ѡ ˽ṹк֣ܶ Ҫˡ ˺ˡ ǰڸϵͳĽʹ˽ṹ Ҫǵijڵֹ ʱӰУ ʹϿṩ߶ȵĿɿԺԣ ʮʺСӦûҲСĽбҪġ 5.2 Internet 뼼 סլС Internet ӼԵʮҪˣϵסլСⲿ ܷпɿӡû Internet Ҫַʽͨͨ һȡ뷽ʽ

5.3 ǽ ǽһ豸ִ֮зʿơͨһ·Ҳ һ̨зǽ PC ǽѡع˻ ͨ Intranet Internet ĽӴҲ Intranet ֮ǽǽһǻԴַ ĿĵַԼÿ IP Ķ˿ֹжϡ 5.4 Ŀ ͨС Intranet ͨ Internetʵ Internet סլСģ ͨһ˽ṹСģ ʹ֮ͨһ Ӧ칫СھСڵϢ桢ӱInternet ͨѶȻܡ 5.4.1 (1) סլС סլСṩ򵥵ҪĹܡһ м㽻֮佨.ṩСֹԴĸ .Ҫԣ סլСɱи͸߿.ɱӵ ԳԴķʽ.ͨͬһƣϵжϽӰĻָ ͸߿ԻҪ ڵǰϢչƼʵÿɳչԭ 鹹 1000M Ŀ̫ʵʹվϢ㵽ĵľ룬ѡʵĴ ýۺϲߡ һ ͬһ¥ھ벻 100 ׾賬 ˫ߣ¥¥֮ԭӦ£չҪ (2) ҲסլСĻ Ӧ Web ·Ľ߻ȡΪ֤ȶɿĵ豸ѡӦ ѡɿϵȡȶרҵƷ (3)˽ṹ סլСDZȽϸӵ磬ҪסӦסļͥȫ Ҫ밲ͨ缰绰 110 a.ͼ

С繹ҪɸСס PC ӵС¥㽻ʵ¥ס ĻۣȻ¥㽻ӵ¥Ľʵ¥㽻Ļۣ¥ ĽӵСĽ ʵ¥ĽĻۣ Ľӵ ·ϣʵֵַתӷʵСĶοԺܺõĻֳͻ õر֤С СסͨСṩ web ftp СƵĹۿȵȡ b.ͼ£

СıϵͳĹҪСϵͳɣһƵϵͳͨ IP ͷͨед䣬ʽͶ룻СԱԶ Ƶ 24 Сʱϲ鿴ͻĸ¼ʱԵһʱ֪ͨ 110 ѲӸϸ ͨС·еַӳ书ܵã ʹСڵ¼ϵͳӵ ģ ĵͬ־ 110 Ѳӵʱ Сصʵʱ¼ 鿴ܹΪ 110 ѲƻԵȰṩڶǶ䱨ϵͳͨСΧ Զװüסмⱨװã ԱС Աͨŷıһʱ֪СǸλԱ룬 ֪ͨСѲ߶Ӽ 110 ѲӸϸص㡣 4.4.2 ƽ̨ (1) ϵͳ Microsoft ˾Ƴϵͳ Windows 2003 Ź㷺Ӧ û windows XP\2000 ˼ϵͳƵIJѧãӵԽ ԽûȺӲΪ Windows 2003 ӲƷҲʹ Windows 2003 űȽϹķչǰ Ŀǰ½ Microsoft Windows 2000 ϰ汾 (2) Ӧ㽭󻪼޹˾ӵȰ˾ Ƴİ (3) ݿ SQL SERVER 2000 汾 (4) ҳάMacrosoft ˾ FrontPage 2000Macromedia ˾

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