iPocket232 User Guide Appendix A: Glossary of Terms and Acronyms
23-CML000293 iPocket232 Inc. A-5
Switched Virtual Circuit. A temporary virtual circuit that is set up and used only
as long as data is being transmitted. Once the communication between the two
hosts is complete, the SVC disappears.
Transmission Control Protocol. TCP is the connection-oriented protocol built on
top of Internet Protocol (IP) and is nearly always seen in the combination
TCP/IP (TCP over IP). It adds reliable communication and flow-control and
provides full-duplex, process-to-process connections. Defined in RFC793.
Trivial File Transfer Protocol. A simple file transfer protocol used for many
purposes including downloading to diskless workstations.
Universal Asynchronous Receiver-Transmitter. A computer component (chip)
that handles asynchronous serial communication.
User Datagram Protocol. A connectionless protocol that, like TCP, runs on top
of an IP network. Unlike TCP, UDP provides no error recovery services,
offering instead, a direct way to send and receive datagrams over an IP network.
Uniform Resource Locator. The global address of documents and other
resources on the global Internet.
Virtual Private Network. A VPN uses a public telecommunication infrastructure,
such as the Internet, to provide remote offices or individual users with secure
access to their organizations’ networks. VPN maintains privacy through security
procedures and tunneling protocols.
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