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Transport Layer
Security (TLS)
Transport Layer Security (TLS) is a protocol that ensures privacy between
communicating applications and their users on the Internet. When a
server and client communicate, TLS ensures that no third party may
eavesdrop or tamper with any message. TLS is the successor to the
Secure Sockets Layer (SSL).
Trivial File Transfer
Protocol (TFTP)
A TCP/IP protocol commonly used for software downloads.
Tunneled Transport
Layer Security (TTLS)
A proposed wireless security protocol, developed by Funk Software and
Certicom, that combines network-based certificates with other
authentication such as tokens or passwords. Also known as EAP-TTLS.
User Datagram
Protocol (UDP)
UDP provides a datagram mode for packet-switched communications. It
uses IP as the underlying transport mechanism to provide access to
IP-like services. UDP packets are delivered just like IP packets –
connection-less datagrams that may be discarded before reaching their
targets. UDP is useful when TCP would be too complex, too slow, or
just unnecessary.
Virtual LAN (VLAN) A Virtual LAN is a collection of network nodes that share the same
collision domain regardless of their physical location or connection
point in the network. A VLAN serves as a logical workgroup with no
physical barriers, and allows users to share information and resources as
though located on the same LAN.
XModem A protocol used to transfer files between devices. Data is grouped in
128-byte blocks and error-corrected.
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