T
time-division multiplexing (TDM).

Technique in which information from multiple channels can be allocated bandwidth on a single wire based on preassigned time slots. Bandwidth is allocated to each channel regardless of whether the station has data to transmit.

time-division multiplexing (TDM) interfaces.

Interfaces that can recognize time slots and can forward data based on the data's time slot in a repeating cycle. This is typical of interfaces on digital cross-connects, SONET ADMs, and SONET cross-connects.

Time To Live (TTL).

A mechanism to prevent loops in IP networks. The TTL field gets decremented every time a packet traverses a router. When TTL reaches 0, the packet can no longer be forwarded.

traffic engineered (TE) link.

A link that is ...

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