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Internet and Web-Technologies

by Shivam MishraShivam Mishra
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Shivam Mishra
Shivam Mishra
COMPUTER NETWORKS Lecture Notes - INTERNET & WEB TECHNOLOGY-I (3-1-0)
INTERNET & WEB TECHNOLOGY – I Lecture 1 Internet Overview, Evolution of Internet Lecture 2 Internet component – Types of network Lecture 3 Internet component- Network Hardware Lecture 4 Internet component- Network Software Lecture 5 Packet Switching Fundamentals and Circuit Switching, Efficiency Lecture 6 Packet Switching : Datagram Switched Network Lecture 7 Packet Switching : Virtual Circuit-switched Network Lecture 8 Packet Switching : Virtual Circuit-switched Network, Efficiency Lecture 9 Packet Switching versus CircuitSwitching,Internet Standards Lecture 10 Internet Standards : IETF, ITU IEEE, ATM Forum Lecture 11 Internet Protocol : IP format Lecture 12 Internet Protocol: IP Addressing Lecture 13 Subnet and Subnet Mask Lecture 14 Class-less Address, Superneting Lecture 15 IPv6 Datagram Format , IPv4 vs IPv6 Lecture 16 TCP Fundamentals: TCP 3 way Hand shaking Lecture 17 TCP/IP: routing. Lecture 18 Networking protocols: Network Protocol Overview: Networking protocols in TCP/IP Lecture 19 Networking protocols in TCP/IP –ARP,RARP,BGP,EGP Lecture 20 NAT, DHCP
Lecture 21 Access Methods and Internet working, Access Network Architectures Access network characteristics, Differences between Access Networks, Local Area Lecture 22 Networks and Wide Area Networks. Lecture 23 Access Technologies Lecture 24 Voice grade modems, ADSL Lecture 25 Cable Modems, Frame Relay. Lecture 26 DNS: Domain Names. Resolving Domain Names to IP addresses (DNS operation ) Lecture 27 Registering Domain Names and solving Domain name disputes. Lecture 28 Routing: How the key IP routing protocols (OSPF) Lecture 29 Routing: How the key IP routing protocols (BGP4) Lecture 30 Implications of future Internet growth on routing protocol performance. Lecture 31 Internet applications: FTP Lecture 32 .FTP implimentation Lecture 33 Internet applications: Telnet, Email, Chat Lecture 34 World Wide Web: HTTP protocol. Lecture 35 HTTP protocol Implementation and issues Lecture 36 Search Engines. E-Commerce and security Lecture37 Security : symmetric and asymmetric key Lecture 38 Encryption and digital signature, and authentication Emerging trends, Internet telephony, virtual reality over the web, etc. Intranet and Lecture 39 extranet, firewall. Emerging trends, Internet telephony, virtual reality over the web, etc. Intranet and Lecture 40 extranet, firewall.
Module I (10 lecture) Internet overview The Internet is a giant network of networks. • A network may include PCs, and other devices like servers or printers. • A network is connected through a communication channel. • Early research was performed by the US Department of Defense in 1962. This research group established ARPAnet (Advanced Research Project Agency) in order to connect the US Defense Department network. What did the Internet come from? • Original aim was to create a network that would allow users of a research computer at one university to be able to ‘talk to’ research computers at other universities. • A side benefit of ARPAnet’s design was that, because messages could be routed or rerouted in more than one direction, the network could continue to function even if parts of it were destroyed in the event of a military attack or other disaster. • The users of the Internet took a direction of their own. History of the Internet • The first long distance communication took place in 1965 between a computer in MIT and California. • In 1969, four computers clients were connected together via ARPAnet. How old is the Internet ? • Leonard Kleinrock is accredited with the idea of packet switching, which describes how data can be sent across a network. The Ethernet was developed by Xerox during this period. This was inspired by Robert Metcalfe’s PhD on ‘packet networks’. • An Ethernet is a protocol for describing how computers can be connected in a LAN (Local Area network).

Lecture Notes