TCP/IP

TCP/IP

1. History

   • Created in 1974
     • Finally adopted in 1974
       • Universal Protocol

2. Layer

   • Application
     • DNS, WWW
   • Transport
     • TCP, UDP
   • Inter Network
     • ARP, IP
   • Access to Network
     • Ethernet, Token Ring

3. Basic Protocols

   • TCP
   • UDP
   • IP
   • ARP
   • ICMP

4. Header

   • Overheard
   • Payload

5. Doors

   • FTP
   • TELNET
   • SMTP
   • DNS