KTI Networks KGS-2421 Manual de usuario Pagina 118

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enter commands through the Telnet program just as if they were entering
commands directly on the server console.
TFTP
TFTP is an acronym for Trivial File Transfer Protocol. It is transfer protocol that
uses the User Datagram Protocol (UDP) and provides file writing and reading,
but it does not provides directory service and security features.
ToS
ToS is an acronym for Type of Service. It is implemented as the IPv4 ToS
priority control. It is fully decoded to determine the priority from the 6-bit ToS
field in the IP header. The most significant 6 bits of the ToS field are fully
decoded into 64 possibilities, and the singular code that results is compared
against the corresponding bit in the IPv4 ToS priority control bit (0~63).
TLV
TLV is an acronym for Type Length Value. A LLDP frame can contain multiple
pieces of information. Each of these pieces of information is known as TLV.
TKIP
TKIP is an acronym for Temporal Key Integrity Protocol. It used in WPA to
replace WEP with a new encryption algorithm. TKIP comprises the same
encryption engine and RC4 algorithm defined for WEP. The key used for
encryption in TKIP is 128 bits and changes the key used for each packet.
U
UDP
UDP is an acronym for User Datagram Protocol. It is a communications protocol
that uses the Internet Protocol (IP) to exchange the messages between
computers.
UDP is an alternative to the Transmission Control Protocol (
TCP) that uses the
Internet Protocol (IP). Unlike TCP, UDP does not provide the service of dividing
a message into packet datagrams, and UDP doesn't provide reassembling and
sequencing of the packets. This means that the application program that uses
UDP must be able to make sure that the entire message has arrived and is in the
right order. Network applications that want to save processing time because they
have very small data units to exchange may prefer UDP to TCP.
UDP provides two services not provided by the IP layer. It provides port
numbers to help distinguish different user requests and, optionally, a checksum
capability to verify that the data arrived intact.
Common network applications that use UDP include the Domain Name System
(
DNS), streaming media applications such as IPTV, Voice over IP (VoIP), and
Trivial File Transfer Protocol (TFTP).
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