Other Definitions
backbone (dict)

Backbone

• 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.

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arj attenuation attenuation constant attenuator attribute audible ringing tone audio response unit audit (telecommunication) audit trail aurora authenticator	automated information system automated information systems security automatic callback automatic call distributor automatic calling automatic data processing automatic data processing equipment automatic link establishment automatic message exchange automatic redial automatic sounding	automatic switching system auxiliary power availability available line backscattering back to back connection backward channel balanced line balance return loss balancing network band stop filter	bandwidth compression barrage jamming baseband base communications basic exchange telecommunications radio service basic service basic service element basic serving arrangement bch code beam diameter beam divergence