O'Reilly logo

Metro Ethernet by Sam Halabi

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

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 ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required