Motorola WPCI180G User Manual page 47

GLOSSARY
SMTP
Simple Mail Transfer Protocol is a standard Internet protocol for
transferring e-mail.
Static IP Address
An IP address that is permanently assigned to a host. Normally, a
static IP address must be assigned manually. The opposite of
Dynamic IP Address.
Station
IEEE 802.11b term for wireless client.
Subscriber
A user who accesses television, data, or other services from a
service provider.
Subnet Mask
A methodology that determines what the router will examine for
the destination of an IP address. A router delivers packets using
the network address.
Switch
On an Ethernet network, a switch filters frames based on the
MAC address, in a manner similar to a bridge. A switch is more
advanced because it can connect more than two segments.
T
TCP
Transmission Control Protocol on OSI transport layer four,
provides reliable transport over the network for data transmitted
using IP (network layer three). It is an end-to-end protocol
defining rules and procedures for data exchange between hosts
on top of connectionless IP. TCP uses a timer to track
outstanding packets, checks error in incoming packets, and
retransmits packets if requested.
TCP/IP
The Transmission Control Protocol/Internet Protocol suite
provides standards and rules for data communication between
networks on the Internet. It is the worldwide Internetworking
standard and the basic communications protocol of the Internet.
Tunnel
To place packets inside other packets to send over a network.
The protocol of the enclosing packet is understood by each
endpoint, or tunnel interface, where the packet enters and exits
the network. VPNs rely on tunneling to create a secure network.
Tunneling requires the following protocol types:
SECTION 5, GLOSSARY
SECTION 5
5-9