3Com 3CRWE51196 User Guide - Page 79

Full Duplex, Gateway, Hub, IEEE, IETF, Infra-structure mode, IP, IP Address, ISP, LAN, MAC

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79 Full Duplex A system that allows packets to be transmitted and received at the same time and, in effect, doubles the potential throughput of a link. Gateway A device that acts as a central hub by connecting to each computer's network interface card and managing the data traffic between the local network and the Internet. Half Duplex A system that allows packets to transmitted and received, but not at the same time. Contrast with full duplex. Hub A device that regenerates LAN traffic so that the transmission distance of that signal can be extended. Hubs are similar to repeaters, in that they connect LANs of the same type; however they connect more LANs than a repeater and are generally more sophisticated. IEEE Institute of Electrical and Electronics Engineers. This American organization was founded in 1963 and sets standards for computers and communications. IETF Internet Engineering Task Force. An organization responsible for providing engineering solutions for TCP/IP networks. In the network management area, this group is responsible for the development of the SNMP protocol. Infra-structure mode Infra-Structure mode is the 802.11b configuration supported by the Gateway. You will need to ensure all of your clients are set up to use infra-structure mode in order for them to communicate with the Access Point built into your Gateway. (see also Ad Hoc mode) IP Internet Protocol. IP is a layer 3 network protocol that is the standard for sending data through a network. IP is part of the TCP/IP set of protocols that describe the routing of packets to addressed devices. An IP address consists of 32 bits divided into two or three fields: a network number and a host number or a network number, a subnet number, and a host number. IP Address Internet Protocol Address. A unique identifier for a device attached to a network using TCP/IP. The address is written as four octets separated with periods (full-stops), and is made up of a network section, an optional subnet section and a host section. ISP Internet Service Provider. An ISP is a business that provides connectivity to the Internet for individuals and other businesses or organizations. LAN Local Area Network. A network of end stations (such as PCs, printers, servers) and network devices (hubs and switches) that cover a relatively small geographic area (usually not larger than a floor or building). LANs are characterized by high transmission speeds over short distances (up to 1000 metres). MAC Media Access Control. A protocol specified by the IEEE for determining which devices have access to a network at any one time.

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79
Full Duplex
A system that allows packets to be transmitted and received at the same time and,
in effect, doubles the potential throughput of a link.
Gateway
A device that acts as a central hub by connecting to each computer's network
interface card and managing the data traffic between the local network and the
Internet.
Half Duplex
A system that allows packets to transmitted and received, but not at the same
time. Contrast with full duplex.
Hub
A device that regenerates LAN traffic so that the transmission distance of that
signal can be extended. Hubs are similar to repeaters, in that they connect LANs of
the same type; however they connect more LANs than a repeater and are
generally more sophisticated.
IEEE
Institute of Electrical and Electronics Engineers. This American organization was
founded in 1963 and sets standards for computers and communications.
IETF
Internet Engineering Task Force. An organization responsible for providing
engineering solutions for TCP/IP networks. In the network management area, this
group is responsible for the development of the SNMP protocol.
Infra-structure mode
Infra-Structure mode is the 802.11b configuration supported by the Gateway. You
will need to ensure all of your clients are set up to use infra-structure mode in
order for them to communicate with the Access Point built into your Gateway.
(see also Ad Hoc mode)
IP
Internet Protocol. IP is a layer 3 network protocol that is the standard for sending
data through a network. IP is part of the TCP/IP set of protocols that describe the
routing of packets to addressed devices. An IP address consists of 32 bits divided
into two or three fields: a network number and a host number or a network
number, a subnet number, and a host number.
IP Address
Internet Protocol Address. A unique identifier for a device attached to a network
using TCP/IP. The address is written as four octets separated with periods
(full-stops), and is made up of a network section, an optional subnet section and a
host section.
ISP
Internet Service Provider. An ISP is a business that provides connectivity to the
Internet for individuals and other businesses or organizations.
LAN
Local Area Network. A network of end stations (such as PCs, printers, servers) and
network devices (hubs and switches) that cover a relatively small geographic area
(usually not larger than a floor or building). LANs are characterized by high
transmission speeds over short distances (up to 1000 metres).
MAC
Media Access Control. A protocol specified by the IEEE for determining which
devices have access to a network at any one time.