第三章 网络技术基础
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第三章 网络技术基础. 主讲人：杨坚争 教授. 第三章 网络技术基础. 电子商务的开展需要强大的网络技术支持。本章将对从事电子商务活动所必须掌握的网络技术基础进行研究，包括因特网的概念与特点、因特网的构成、因特网的接入方法、因特网的基本服务、 TCP/IP 协议、域名的基本知识及其申请等。. 第三章 网络技术基础. 第一节 因特网的概念与构成. 3.1 因特网的概念与构成 3.1.1 因特网的起源与发展. 第一节 因特网的概念与构成. 3.1.2 因特网的概念与特点. 第一节 因特网的概念与构成. 图 3-1 因特网结构示意图. - PowerPoint PPT Presentation
Transcript of 第三章 网络技术基础
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1 TCP/IP 3.1 3.1.1 3.1.2
3-1
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3-2 3.1.3
1 2. (Net Operation SystemNOS) WindowsUNIXLinux Company Logo 3.
Company Logo 3-3
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Company Logo 4. / /
Company Logo
Company Logo
3-5 /Company Logo 3.1.4
1. PSTN PSTN(Public Switched Telephone Network)(3-6)Company Logo Company Logo
3-6 PSTNInternet PSTN2009PSTN2.1%Company Logo 2. ISDN ISDN(Integrated Service Digital Network)(IDN) (ISDN)N-ISDN(Narrowband-ISDN)B-ISDN(Broadband-ISDN)ISDNN-ISDNN-ISDNB-ISDNCompany Logo
3-7 ISDNInternetCompany Logo 3. DDN DDN(Digital Data Network)()4. DSL DSL(Digital Subscriber Line) DSL(ADSL)DSL(SDSLHDSL) (ADSLAsymmetric DSL)()()ADSL(3-8)Company Logo
3-8 ADSLInternet Company Logo 5. ATM ATM(Asynchronous Transfer Mode)ITU-T ATM6. (Frame Relay)
Company Logo 7. (B-ISDN155Mb/s)8. (Wireless Access Technology)()(Fixed Wireless AccessFWA)3-9Company Logo
3-9 Company Logo 3.2 3:Company Logo 3.2.1 (E-mail)1 (Electronic Mail)E-mail 2G40099%
2 E-mailE-mailE-mail
E-mail(User Agent) E-mailCompany Logo Company Logo E-mailSMTP(Simple Mail Transfer Protocol)3-10
3-10 3. @[email protected] Logo Company Logo 4. (Mail Header)(Mail Body)E-mail
Company Logo 5. (Mailing List)
Company Logo 3.2.2 1. (Instant MessagingIM)E-mail
Company Logo Company Logo 2.
Company Logo 3. Company Logo 4. BBS/ BBS(Bulletin Board System)BBS
Company Logo 3.2.3
Company Logo 3.2.4 (WWW)1. WWW(World Wide Web)(Hyperlink)(Hypertext)WWWWWW/WebWWWHTTP(Hyper Text Transport Protocol)WebWWWWWW Company Logo WWW Company Logo 2. Web 1.0Web 3.0
Company Logo TCP/IP3.3 TCP/IP 3.3.1 TCP/IP TCP/IP19731982TCP/IPUNIX BSD 4.1UNIXTCP/IPUNIX TCP/IPTCP(Transport Control Protocol)IP(Internet Protocol) Company Logo TCP/IP TCPIPInternetInternetTCP/IPTCPIPCompany Logo TCP/IP3.3.2 TCP/IP TCP/IPnnTCP/IP4TCP/IP5()
Company Logo TCP/IPTCP/IP
Company Logo TCP/IP3.3.3 TCP/IP Company Logo TCP/IP TCP/IPABnnX.25TCP/IP
Company Logo TCP/IP3.3.4 IP 1. IP IP324IP8IP1001 1000 0000 0011 0001 0110 0101 0100 152.3.22.84IPIP()Company Logo TCP/IP IP(NetID)(HostID)IPABC(3-14)IDID
3-14 IPCompany Logo TCP/IP2. IPv6IP 1) IPv6 IP2070ARPAnetInternetIP()4IPIPv4(Internet Protocol Version 4)IPv4IPIP 1998IETFIPv6(Internet Protocol Version 6)
IPv6 TCP/IP TCP/IP2) IPv6 IPv6IPv6IP32128128IPv6816 X:X:X:X:X:X:X:X X16 FE80:0000:0000:0000:0260:97FF:FE8F:64AA IPv66464EUI-64(64) IPv4IPv6X:X:X:X:X:X:D.D.D.DX116D8(IPv4) TCP/IP3 IPv4(IP) (.)3-15http://www.usst.edu.cnhttp://www.cnnic.net.cn
3-15 TCP/IP cnukau(edu)(gov)
3-2 Company Logo TCP/IP4 19971997420083(1) (AZaz)(09)()(.)()(2) cn (3) cn9(3-3)34(3-4)Company Logo TCP/IP
Company Logo TCP/IP5 URL (AZaz)(09)(-!)31() 200090%Company Logo TCP/IP6 IP(Domain Name ServerDNS)IP
3-16 Company Logo 3.4 3.4.1 Company Logo 3.4.2 Company Logo Company Logo 3.4.3 (China Internet Nework Infomation CenterCNNIC) 1.
Company Logo 2. CNNIC.cn.GB(GBK)BIG5UTF83. (CNNIC) Company Logo 4. ().Wap.cnCompany Logo 3.4.4 1. .Gov.cn .edu.cn.mil.cn..cn..cn Company Logo 2. (1) (2) (3) (4) (5) (6) (7) (8) (9)
The endCompany Logo
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From: [email protected] To: [email protected] Cc: [email protected] Subject: Thanks Date: Web.19 Nov 97 12:28:08
Dear sir: Thank you so much for your help. Best regards. hunter
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