Editing Deterministic routing

In [[telecommunications]], '''deterministic routing''' is the advance determination of the routes between given pairs of nodes. Examples:
#In a network where routing is controlled by a [[telephone switch]] or [[network switch]], switching in which the routes between given pairs of nodes are pre-programmed, ''i.e.,'' are determined, in advance of [[transmission (telecommunications)|transmission]]. The routes used to complete a given [[telecommunication circuit|call]] through a network are identified, in advance of transmission, in [[routing]] tables maintained in each [[Network switch|switch]] [[database]]. The tables assign the trunks that are to be used to reach each switch [[code]], area code, and International Access Prefix (IAP), usually with one or two alternate routes. 
#In a non-switched network, the routes used to send a given [[message]] through the network are identified in advance in routing tables maintained in a database.

==Notes and references==
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[[Category:Telephone exchanges]]
[[Category:Telecommunications engineering]]


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