COMPUTER SCIENCE 005 OVERVIEW (5417) TCPIP Transmission Control Protocol (TCP) Breaks messages into packets IP software for delivery ordersreassembles packets at destination. Internet Protocol (IP) Software deals with routing packets to final destination. User Datagram Protocol (UDP) Faster, less reliable than TCP. Ping: tests if network computer is activereachable. Traceroute: shows route packet takes across Web. HigherLevel Protocols Simple Mail Transfer Protocol (SMTP) Specifies transfer of email. File Transfer Protocol (FTP) Allows a user to transfer files tofrom another computer. Telnet: log onto (one) computer from another. Hyper Text Transfer Protocol (HTTP): Exchange of web docs. Port: number designation that corresponds to a particular higherlevel protocol.