計算機網(wǎng)絡(luò)網(wǎng)絡(luò)近期軟件學(xué)院2012e

1、1Computer NetworksZhang，YaPingSchool of Computer SoftwareTianjin UniversitySpring 2011(Based on the slides by Jim Kurose and Keith Ross)2About the Instructor張亞平博士，副教授研究方向Network SecurityData MiningOffice: 25b1220 Email: Introduction1-3About TA助教:孫迪碩士研究生導(dǎo)師：張加萬院長Email: 每周答疑時間、地點周一下午4:005:0025樓B606 4Wh

2、at is this course about?Understand the basics of computer networks: design and practiceLearn the basics of TCP/IP protocol suite in the current InternetFocus on Internet architecture/protocolsTCP/IP, 2 networking programming projectsSeveral lab assignments (fun, real)Email (spam), Web. Ethernet, hub

3、, wireless LANOne chapter on Internet security introductionGoals:Learn a lot (facts, principles and practice)Have fun (Use/apply/understand real world network immediately)Develop network programming skills5Course informationPrerequisites:Little or no networking backgroundInterested in learning:How t

4、he Internet worksSuggestedBasic knowledge on Algorithms and Operating Systems C or C+ programming skills Basic usage of Linux Introduction1-6Workload and gradingClassroom participation Homework10 pointsProblemsDiscussions Project10 pointsProgramming assignmentsLab practice Final exam80 points Introd

5、uction1-7HomeworkDo it independently, otherwise, 0 pointNo discussionNo copyCan use reference booksFor discussion questions, you can discuss with classmates then write your own report (about = one pages per question) Weekly homeworks Homeworks are given out on Mon. and/or Thur., and they are due the

6、 next lecture timeLate will get less pointsAny questions, contact TA8Course information (more)Course materials:Text: Computer Networking: A Top Down Approach Featuring the Internet, J. Kurose & K. Ross, Addison Wesley, 5th ed., 2009Textbook online resourceClass notes Other books“Computer Networks”,

7、4th ,by A. Tanenbaum, 2003. 計算機網(wǎng)絡(luò)，5th，by 謝希仁，2008全國計算機技術(shù)與軟件專業(yè)技術(shù)資格(水平)考試輔導(dǎo)用書網(wǎng)絡(luò)工程師考試輔導(dǎo) 2009版910A top-down approach:Well cover networking top-downEnd-system applications, end-end transportNetwork core: routing, hooking nets togetherLink-level protocols, e.g., EthernetOther interesting stuff: Securitywi

8、relessregional ISPlocal ISPcompany network11Course Overview:Part 1: Introduction (text: Chapter 1) What is the Internet? ApplicationApplicationNetworkNetworkData LinkTransportTransportData LinkPhysical linkWeb, Email, VOIPTCP, UDPIPEthernet, cellular 12Course Overview:Part 2: Application Layer (text

9、: Ch. 2) Principles of application-layer protocols World Wide Web: HTTP File transfer: FTP Electronic mail: Email The Internets directory service: DNS 13Course Overview:Part 3: Transport Layer (text Ch. 3) Transport-layer services and principles Multiplexing and demultiplexing applications Connectio

10、nless transport: UDP Principles of reliable of data transfer TCP case study 14Course Overview:Part 4: Network Layer (text: Ch. 4) introduction and network service model whats inside a router?routing principles (algorithms)hierarchical routing IP: the Internet Protocol Internet routing: RIP, OSPF, BGP15Course Overview:Part 5: Link Layer, Local Area Networks (text: Ch. 5) introduction, services error detection, correction multiple access protocols, LANs LAN addresses, ARP Et