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Course Introduction 2015
ContentsMaterialsCoursesAbout us
1. Contents
Computers and networks
1.1 Computers’ hardware approach
Adapter
1.1 Computers’ hardware approach
Adapter硬件地址硬件地址
至外部网适配器(网卡)适配器
(网卡) 串行通信CPU 和存储器
CPU 和存储器
生成发送的数据处理收到的数据
把数据发送到外部网从外部网接收数据
计算机
IP 地址IP 地址
并行通信
1.2 Computers’ hardware approach
对外部数据的计算
和处理
外部设备
1.2 Computers’ software approachDatagramSocket serverSocket =
new DatagramSocket
(6428);
transport
application
physical
link
network
P3transport
application
physical
link
network
P1
transport
application
physical
link
network
P4
DatagramSocket mySocket1 = new DatagramSocket (5775);
DatagramSocket mySocket2 = new DatagramSocket (9157);
source port: 9157dest port: 6428
source port: 6428dest port: 9157
source port: ?dest port: ?
source port: ?dest port: ?
1.3 Computers’ communication approach
5
4
3
2
1
5
4
3
2
1
计算机 1
AP2AP1
计算机 2
应 用 程 序 数 据应用层首部
H5
10100110100101 比 特 流 110101110101
数据与分层模型
应 用 程 序 数 据
H5 应 用 程 序 数 据
H4 H5 应 用 程 序 数 据
H3 H4 H5 应 用 程 序 数 据
H4
运输层首部
H3
网络层首部
H2
链路层首部
T2
链路层尾部
1.3 Computers’ communication approach
Protocol layers
1.3 Computers’ communication approach
2. Materials
textbook
2. Materials
Request For Comments
http://www.ietf.org/rfc.html
2. Materials
Readings
2. Materials
Readings
2. Materials
Protocol analysis tools http://www.wireshark.org/
2. Materials
Codes analysis 4.4BSD
2. Materials
Videos
3. Courses
An engineers technological lecture
Ours’ target
• A Top-Down Approach, beginning at the application layer and working its way down toward the physical layer, involving concepts such as C/S and P2P model , Socket, Ethernet, and technologies that woven together in an intricate manner.
• Be familiar with TCP/IP protocols , architecture of internet , skilled at Socket programming
3. Courses
• Theory teaching : 40 hours , 10times
• Experiment courses : 20 hours , 5times
• score :– test (closed book) : 50%– experiment and homework: 50%
experiment courses
Exp1. Packet sniffer and analysis based on WiresharkExp2. Development of e-mail protocol(SMTP/POP3)Exp3. Socket programmingExp4. Routing based on RouteSimExp5. CRC coding/web security
19:00---21:30 Aug.16th,19th,23th,25th,26th
At 301 and 303 room, building sixian
4. Teachers or advisers
• 赵振刚 http://staff.ustc.edu.cn/~gavin/
思贤楼 507( 西区学生食堂电梯 5 楼右手边 )
0512-68839303• 陈博 http://staff.ustc.edu.cn/~chenbo2008/
思贤楼 504• 王建新 [email protected]
思贤楼 401 网络实验室
5.conference and workshops
ACM Sigcomm, MobiCom, HotnetsMobihoc sigmetricsInfocom Sensys IPSN ICNP a ) trans IEEE/ACM Trans.networking IEEE JSAC IEEE Tran.mobile computing IEEE Trans on Parallel and Distributed Systems IEEE TWC IEEE TVTb) magazine ACM Computing surveys Communications of the ACM IEEE communication magazine IEEE network IEEE wireless communications
SCI
Thanks