The . Department of Defense (DoD) created the TCP/IP reference model because it wanted a network that could survive any conditions. The TCP/IP model has since become the standard on which the Internet is based. In 1992 the standardization of a new generation of IP, often called IPng, was supported by the Internet Engineering Task Force (IETF). IPng is now known as IPv6. | Module 9 TCP/IP Protocol and IP Addressing History of TCP/IP The . Department of Defense (DoD) created the TCP/IP reference model because it wanted a network that could survive any conditions. The TCP/IP model has since become the standard on which the Internet is based. In 1992 the standardization of a new generation of IP, often called IPng, was supported by the Internet Engineering Task Force (IETF). IPng is now known as IPv6. The TCP/IP model has four layers: The Application layer, Transport layer, Internet layer, and Network Access layer. TCP/IP Model Application Layer The application layer of the TCP/IP model handles high-level protocols, issues of representation, encoding, and dialog control. The Application layer of the TCP/IP model has protocols to support file transfer, e-mail, and remote login, and many other applications. Application Layer Application Layer File Transfer Protocol (FTP) Trivial File Transfer Protocol (TFTP) – TFTP is a connectionless service that uses . | Module 9 TCP/IP Protocol and IP Addressing History of TCP/IP The . Department of Defense (DoD) created the TCP/IP reference model because it wanted a network that could survive any conditions. The TCP/IP model has since become the standard on which the Internet is based. In 1992 the standardization of a new generation of IP, often called IPng, was supported by the Internet Engineering Task Force (IETF). IPng is now known as IPv6. The TCP/IP model has four layers: The Application layer, Transport layer, Internet layer, and Network Access layer. TCP/IP Model Application Layer The application layer of the TCP/IP model handles high-level protocols, issues of representation, encoding, and dialog control. The Application layer of the TCP/IP model has protocols to support file transfer, e-mail, and remote login, and many other applications. Application Layer Application Layer File Transfer Protocol (FTP) Trivial File Transfer Protocol (TFTP) – TFTP is a connectionless service that uses the User Datagram Protocol (UDP). Network File System (NFS) – NFS is a distributed file system protocol suite developed by Sun Microsystems that allows file access to a remote storage device such as a hard disk across a network. Simple Mail Transfer Protocol (SMTP) – SMTP administers the transmission of e-mail over computer networks. Terminal emulation (Telnet) – Telnet provides the capability to remotely access another computer. Simple Network Management Protocol (SNMP) – SNMP is a protocol that provides a way to monitor and control network devices, and to manage configurations, statistics collection, performance, and security. Domain Name System (DNS) – DNS is a system used on the Internet for translating names of domains and their publicly advertised network nodes into IP addresses. Transport Layer The transport layer provides transport services from the source host to the destination host. The transport layer constitutes a logical connection between the endpoints of the .