TCP/IP, DOD Model This model is sometimes called the DOD model since it was designed for the department of defense It is also called the TCP/IP four layer protocol, or the internet protocol. It has the following layers: 1. Link - Device driver and interface card which maps to the data link and physical layer of the OSI model. 2. Network - Corresponds to the network layer of the OSI model and includes the IP, ICMP, and IGMP protocols. 3. Transport - Corresponds to the transport layer and includes the TCP and UDP protocols. 4. Application - Corresponds to the OSI Session, Presentation and Application layers and includes FTP, Telnet, ping, Rlogin, rsh, TFTP, SMTP, SNMP, DNS, your program, etc.
Posted on: Wed, 12 Jun 2013 05:20:54 +0000
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