Sony SNC-CS50N - Manual (Page 83)

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Glossary
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SMTP server
A server for sending or relaying e-mail messages
between servers.
SNMP
A protocol for monitoring and managing network
devices.
Subnet mask
32-bit stream used to distinguish the subnet address
from the IP address.
TCP
Abbreviation for Transmission Control Protocol. A
standard protocol used for the Internet connection.
Compared with the other protocol, UDP, TCP provides
reliable communication but the communication speed is
slower.
UDP
Abbreviation for User Datagram Protocol. A standard
protocol used for the Internet connection. Compared
with the other protocol, TCP, UDP can transmit data
faster, but reliable communication is not guaranteed.
Unicast
Transmission of the data to the specified equipment on a
network by specifying a single address.