MDS 05-2806A01, Rev. E.1
MDS iNET 900 Series User’s Guide
161
Microcontroller Unit—See MCU.
Mobile IP—An emerging standard by which access points and stations
maintain network connectivity as the stations move between various IP
networks. Through the use of Mobile IP a station can move from its
home IP network to a foreign network while still sending and receiving
data using it's original IP address. Other hosts on the network will not
need to know that the station is no longer in its home network and can
continue to send data to the IP address that was assigned to the station.
Mobile IP also uses DHCP when the station moves into a foreign net-
work.
Mobility—Refers to a station that moves about while maintaining
active connections with the network. Mobility generally implies phys-
ical motion. The movement of the station is not limited to a specific net-
work and IP subnet. In order for a station to be mobile it must establish
and tear down connections with various access points as it moves
through the access points' territory. To do this, the station employs
roaming and Mobile IP.
Mode—See Device Mode.
MTBF—Mean-Time Between Failures
Multiple Address System (MAS)—See Point-Multipoint System.
Network Name—User-selectable alphanumeric string that is used to
identify a group of radio units that form a communications network. The
Access Point and all Remotes within a given system should have the
same network address.
Network-Wide Diagnostics—An advanced method of controlling and
interrogating MDS radios in a radio network.
NTP—Network Time Protocol
Packet—The basic unit of data carried on a link layer. On an IP net-
work, this refers to an entire IP datagram or a fragment thereof.
Passive Scanning—Scanning is a process used by stations to detect
other access points on network to which it may connect if it needs to
roam. Passive scanning is a slower process in which it listens for infor-
mation offered by the access points on a regular basis. Active scanning
is a faster process in which the station sends out probe message to which
the access points respond. Passive scanning can be done while main-
taining the current network connectivity. Active scanning affects the RF
configuration of the radio and therefore, at least temporarily, discon-
nects the station from the access point.
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