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CS 350

CS 350. Chapter -6. A brief history of TCP/IP. 1983 TCP/IP came to ARPAnet ARPAnet and MILNET dissolved in 1990 BSD UNIX. TCP/IP and the DoD Model. Process/Application Host-to-Host Internet Network Access. The Application Layer Protocols. Telnet File Transfer Protocol (FTP)

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CS 350

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  1. CS 350 Chapter-6

  2. A brief history of TCP/IP • 1983 TCP/IP came to ARPAnet • ARPAnet and MILNET dissolved in 1990 • BSD UNIX

  3. TCP/IP and the DoD Model • Process/Application • Host-to-Host • Internet • Network Access

  4. The Application Layer Protocols • Telnet • File Transfer Protocol (FTP) • Secure File Transfer Protocol (SFTP) • Trivial File Transfer Protocol (TFTP) • Network File System (NFS)

  5. The Application Layer Protocols • Simple Mail Transfer Protocol (SMTP) • Post Office Protocol (POP) • Internet Message Access Protocol, Version 4(IMAP4) • Transport Layer Security (TLS) • Session Initiation Protocol (SIP) (VOIP) • Real-time Transport Protocol (RTP) (VOIP)

  6. The Application Layer Protocols • Line Printer Daemon (LPD) -- printer • Line Printer Remote(LPR) -- client • X Window • Simple Network Management Protocol (SNMP) • Secure Shell (SSH) • Hyper Transfer Protocol (HTTP) • Hyper Transfer Protocol Secure (HTTPS)

  7. The Application Layer Protocols • Network Time Protocol (NTP) • Network News Transfer Protocol (NNTP) • Secure Copy Protocol (SCP) • Lightweight Directory Access Protocol (LDAP) • Internet Group Management Protocol (IGMP) • Domain Name Service (DNS) • Dynamic Host Configuration Protocol (DHCP)

  8. The Host-to-Host Layer Protocols • Transmission Control Protocol (TCP)

  9. The Host-to-Host Layer Protocols • User Datagram Protocol (UDP)

  10. The Host-to-Host Layer Protocols

  11. Port Number

  12. The Internet Layer Protocols • Internet Protocol (IP)

  13. Internet Control Message Protocol (ICMP) • Characteristics • Provide hosts with network problem information • Encapsulated in IP datagrams • ICMP messages • Destination Unreachable • Buffer full • Hops – reach hop number • Ping – check connectivity • Traceroute – discover the path

  14. ARP and RARP

  15. Data Encapsulation Data transmission Address in layers

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