NavCom SR-7120 Rev.A - Manual (Page 110)

Safari Network User Guide
C-2
Dynamic addressing simplifies network administration
because the software keeps track of IP addresses
rather than requiring an administrator to manage the
task. This means that a new computer can be added
to a network without the hassle of manually assigning
it a unique IP address. Many ISPs use dynamic IP
addressing for dial-up users.
Ethernet: a system of connecting computers together to
facilitate intercommunication, commonly known as a
Local-Area-Network (LAN).
Ethernet WLAN: Ethernet Wireless Local Area Network.
Employing Ethernet via a radio system.
Frequency: radio carrier frequency used to deliver
information.
Gateway: A node on a network that serves as an entrance
to another network. In enterprises, the gateway is the
computer that routes the traffic from a workstation to
the outside network that is serving the Web pages. In
homes, the gateway is the ISP that connects the user
to the internet.
In enterprises, the gateway node often acts as a proxy
server and a firewall. The gateway is also associated
with both a router, which use headers and forwarding
tables to determine where packets are sent, and a
switch, which provides the actual path for the packet
in and out of the gateway.
HDLC: Short for High-level Data Link Control, a
transmission protocol used at the data link layer
(layer 2) of the OSI seven layer model for data
communications. The HDLC protocol embeds
information in a data frame that allows devices to
control data flow and correct errors. HDLC is an ISO
standard developed from the Synchronous Data Link
Control (SDLC) standard.
Inbound: toward the system NCU.