Digicom Michelangelo LAN Manual page 42

Software Manual
Transparent Bridge
Joining two or more bridged network segments (such as Ethernet) running on different
physical media.
UDP
User Datagram Protocol. UDP is a "stateless" protocol in that it makes no provision for
acknowledgement of packets received.
VPI/VCI
The ATM Virtual Path Identifier (VPI) and Virtual Channel Identifier (VCI) uniquely identify
a virtual circuit on an ATM link, such as PVC. An ATM switch (or other device incorporating
ATM switching capability like a DSLAM) can be configured to take data from one VPI/VCI
on an incoming link and map it to another VPI/VCI on an outgoing link. This configuration
defines the route through the ATM switch. Note that this means that a particular data
connection may be given many different VPI/VCI 'addresses' as it passes through the
network.
W A N
Wide Area Network. Any internet or network that covers an area larger than a single
building or campus.
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