MicroNet SP916GL, Руководство пользователя

Страница: 44 / 46

44
HTTP (HyperText Transport Protocol) is the communications protocol used to connect to
servers on the World Wide Web. HTTP establishes a connection with a Web server and
transmits HTML pages to client browser (for example Windows IE). HTTP addresses all
begin with the prefix 'http://' prefix (for example, http://www.yahoo.com).
ICMP
ICMP (Internet Control Message Protocol) is a TCP/IP protocol used to send error and
control messages over the LAN (for example, it is used by the router to notify a message
sender that the destination node is not available).
IP
IP (Internet Protocol) is the protocol in the TCP/IP communications protocol suite that
contains a network address and allows messages to be routed to a different network or
subnet. However, IP does not ensure delivery of a complete message—TCP provides the
function of ensuring delivery.
IP Address
The IP (Internet Protocol) address refers to the address of a computer attached to a
TCP/IP network. Every client and server station must have a unique IP address. Clients
are assigned either a permanent address or have one dynamically assigned to them via
DHCP. IP addresses are written as four sets of numbers separated by periods (for
example, 211.23.181.189).
ISP
An ISP is an organization providing Internet access service via modems, ISDN
(Integrated Services Digital Network), and private lines.
LAN
LANs (Local Area Networks) are networks that serve users within specific geographical
areas, such as in a company building. LANs are comprised of servers, workstations, a
network operating system, and communications links such as the router.
MAC Address
A MAC address is a unique serial number burned into hardware adapters, giving the
adapter a unique identification.
Metric
A number that indicates how long a packet takes to get to its destination.
MTU
MTU (Maximum Transmission/Transfer Unit) is the largest packet size that can be sent
over a network. Messages larger than the MTU are divided into smaller packets.
NAT
NAT (Network Address Translation - also known as IP masquerading) enables an
organization to present itself to the Internet with one address. NAT converts the address
of each LAN node into one IP address for the Internet (and vice versa). NAT also
provides a certain amount of security by acting as a firewall by keeping individual IP
addresses hidden from the WAN.
(Network) Administrator
The network administrator is the person who manages the LAN within an organization.
The administrator's job includes ensuring network security, keeping software, hardware,
and firmware up-to-date, and keeping track of network activity.
NTP
NTP (Network Time Protocol) is used to synchronize the realtime clock in a computer.