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Backbone

The backbone is a synonym for the spine of a vetebrate organism.

Backbone is used colloquially for for "courage".

In telecommunications and computer science, the term backbone has the following meanings:

The high-traffic-density connectivity portion of any communications network.
In packet-switched networks, a primary forward-direction path traced sequentially through two or more major relay or switching stations.: primarily switches and interswitch trunks. (Source: from Federal Standard 1037C and from MIL-STD-188)

In transportation backbone has a similar meaning. More generally it is the most important part.

01-04-2007 01:32:10
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