Backbone (disambiguation)

In general usage, the "backbone" is a synonym for the spine of an animal.
In telecommunication, 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.

Note: In packet-switched networks, a backbone consists primarily of switches and interswitch trunks.