Switch User's Manual

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T
TCP (Transport Control Protocol)
The main reliable transport protocol used in the
Internet (and with BGP).
transparent domain identifier (TDI)
A User-to-Network Interface (UNI) port
configured as transparent service type assigns
all traffic to its associated transparent domain
using the TDI.
Transparent LAN Service (TLS)
TLS is the component of the Nortel Networks OE
solution that allows a group of customer sites to
appear as one single LAN, regardless of their
geographic location. (See also Virtual Private
LAN Services [VPLS]).
Time Division Multiplexing (TDM)
A method that obtains a number of channels
over a single path by dividing the path into a
number of time slots and then assigning each
channel its own intermittently repeated time slot.
time-to-live (TTL)
The field in a packet used to determine the valid
duration for the packet; the TTL determines the
packet lifetime. The system discards a packet
with a TTL of zero.
traffic engineering (TE)
A method that guarantees performance in a
network.
Nortel Ethernet Routing Switch 8600
Terminology
NN46205-102 01.01 Standard
30 May 2008
Copyright © 2008 Nortel Networks
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