Sub Code & Name : EC2352 COMPUTER NETWORKS Unit: I Branch: EC Semester :VI. Unit syllabus: PHYSICAL LAYER 9

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1 Unit: I Branch: EC Semester :VI Date:02/12/14 Page 01 of 06 Unit syllabus: PHYSICAL LAYER 9 Data Communications Networks - Networks models OSI model Layers in OSI model TCP / IP protocol suite Addressing Guided and Unguided Transmission media. Switching: Circuit switched networks Data gram Networks Virtual circuit networks. Cable networks for Data transmission: Dialup modems DSL Cable TV Cable TV for Data transfer. To introduce the concept, terminologies, and technologies used in modern data communication and computer networking and the functions of different layers. 1 Networks-Definition, need for networks, basic building 50m 1&2 PPT blocks of networks, performance measures of a network 2 Data communications-components,protocols, standards, standards organizations, Networks and Models. 3 OSI Model- Layered Architecture, Layers in OSI Model 4 TCP / IP protocol suite 5 Addressing-logical addresses, physical addresses, port addresses, specific addresses 6 Transmission Media: Guided media-twisted pair, coaxial cable, optical fiber. 7 Unguided media -wireless media- Radio waves, microwave and Infrared. 8 Switching: Circuit switched networks Vs Packet switched networks; 9 Data gram Networks Vs Virtual circuit networks, Structure of a Switch. 10 Cable networks for Data transmission: Dialup modems, DSL, Cable TV Networks, Cable TV for Data T ransfer.

2 SubCode & Name : EC2352 COMPUTER NETWORKS Unit: II Branch: EC Semester :VI Date:02/12/2014 Page 02 of 06 Unit syllabus: DATA LINK LAYER 10 Data link control: Framing Flow and error control Protocols for Noiseless and Noisy Channels HDLC. Multiple access: Random access Controlled access Wired LANS: Ethernet IEEE standards standard Ethernet changes in the standard Fast Ethernet Gigabit Ethernet. Wireless LANS: IEEE Bluetooth. Connecting LANS: Connecting devices - Backbone networks - Virtual LANS Virtual circuit networks: Architecture and Layers of Frame Relay and ATM. To explain the basics of connecting devices used and protocols used in data link layer and to introduce the IEEE standards used in Ethernet and wireless LANs. 11 Framing-fixed size framing, variable size framing, Flow control, Error control 12 Protocols, Noiseless channels- Stop and Wait protocol, Noisy Channels-Go-back-N ARQ, selective repeat ARQ, stop and wait ARQ. 13 HDLC, Random access-aloha, CSMA, CSMA/CD, CSMA/CA 14 Controlled access-reservation, Polling, Token Passing 15 Wired LANs: IEEE standards, standard Ethernet, Changes in the standard, Fast Ethernet, Gigabit Ethernet. 16 Wireless LANS : IEEE architecture and MAC sublayer CAT Bluetooth, Connecting devices- Repeaters, bridges, Routers, gateways, switches. 18 Backbone networks, Virtual LANS 90m 19 Frame Relay - Architecture, Layers, congestion control and QOS. 20 ATM- Architecture, Switching, ATM Layers ATM LAN Architecture.

3 Unit: III Branch: EC Semester :VI LP - EC2352 Date: 02/12/14 Page 03 of 06 Unit syllabus: NETWORK LAYER 9 Logical addressing: IPv4, IPv6 addresses. Internet Protocol: Internetworking IPv4, IPv6 - Address mapping ARP, RARP,BOOTP, DHCP, ICMP, IGMP, Delivery Forwarding, Routing Unicast, Multicast routing protocols. To understand the basic concepts of addressing and to study the various routing protocols. 21 IPv4 addresses classful and classless Addressing Network Address Translation. 22 IPv6 addresses-structure, packet formats 23 Internetworking, IPv4, IPV6, transition from IPV4 to IPV6 24 Address mapping :ARP, RARP, BOOTP, DHCP 25 ICMP-Message format, error reporting, query 26 IGMP-IGMP messages, message format, encapsulation 27 Delivery and Forwarding-techniques, process, routing table 28 Unicast routing-shortest path routing, Distance vector routing, link state routing, path vector routing 29 Multicast routing protocols-multicast routing and routing protocols

4 Unit: IV Branch: EC Semester :VI Date:02/12/14 Page 04 of 06 Unit syllabus: TRANSPORT LAYER 7 Process-to-Process delivery - User Datagram Protocol (UDP) Transmission Control Protocol (TCP) Congestion Control Quality of services (QoS) Techniques to improve QoS. To learn how process to process delivery is carried out in transport layer and basic transport layer protocols and congestion control techniques. 30 Process-to-Process delivery-connectionless versus connection oriented, UDP-checksum, user datagram. 31 Transmission Control Protocol (TCP)-services, features, segment, flow control, error control. 32 Congestion Control-open loop and closed loop, congestion control in VC subnets 33 Congestion Control-choke packets, load shedding, jitter control, congestion control for multicasting 34 Quality of services (QoS)-best effort service, flow characteristics, flow classes CAT-II 35 Techniques to improve QoS-scheduling, traffic shaping, resource reservation, admission control 36 Congestion Control-choke packets, load shedding, jitter control, congestion control for multicasting 90m

5 Unit: V Branch: EC Semester :VI Date: 02/12/14 Page 05 of 06 Unit syllabus: APPLICATION LAYER 10 Domain Name System (DNS) FTP WWW HTTP Multimedia Network Security: Cryptography Symmetric key and Public Key algorithms - Digital signature Management of Public keys Communication Security Authentication Protocols. To study about various applications and to understand the various network security algorithms. 37 DNS-Namespaces,resource records,name servers 38 -Architecture and services,user agent,message formats, Message transfer, privacy. 39 File transfer protocol, WWW- client side, server side, HTTP. 40 Writing web pages in HTML, Basics of HTML, forms WWW-Basics of JAVA, API, locating information on web 41 Multimedia-Audio,video,data compression,video on demand,multicast backbone 42 Cryptography-substitution ciphers,transposition ciphers.symmetric key algorithms-des,chaining DES,Breaking DES 43 Public key algorithms-rsa and other algorithms 44 Digital signatures-secret key signatures, public key signatures, message digests, Birthday attacks, Management of public keys 45 Authentication protocols-based on a shared secret key, establishing a shared key,diffie-hellman key exchange 46 Authentication protocols-using key distribution center, authentication using Kerberos, using public key cryptography CAT-3 90m

6 Sub Code & Name : Branch: EC EC2352 COMPUTER NETWORKS Semester :VI Date: 02/12/14 Page 06 of 06 Course Delivery Plan: Week I II I II I II I II I II I II I II I II I II I II I II I II UNIT CAT I CAT II CAT III TEXT BOOKS: 1. Behrouz A. Foruzan, Data communication and Networking, Tata McGraw-Hill, 2006: Unit I-IV 2. Andrew S. Tannenbaum, Computer Networks, Pearson Education, Fourth Edition, 2003: Unit V REFERENCES: 3. Wayne Tomasi, Introduction to Data Communication and Networking, 1/e, Pearson Education 4. James.F. Kurouse & W. Rouse, Computer Networking: A Topdown Approach Featuring,3/e, Pearson Education. 5. C.Sivaram Murthy, B.S.Manoj, Ad hoc Wireless Networks Architecture and Protocols, Second Edition, Pearson Education. 6. Greg Tomshon, Ed Tittel, David Johnson. Guide to Networking Essentials, fifth edition, Thomson India Learning, William Stallings, Data and Computer Communication, Eighth Edition, Pearson Education, Prepared by Approved by Signature Dr.G.A.SATHISHKUMAR / Name Mrs.T.J.JEYAPRABHA/ Mr.S.SARAVANAN Designation Professor / Assistant Professor(s) Dr. S. GANESH VAIDYANATHAN HOD - EC

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