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Overview of the TNS Listener Process (Doc ID 1512707.1)

Last updated on MARCH 31, 2022

Applies to:

Oracle Net Services - Version to [Release 10.2 to 19]
Information in this document applies to any platform.



The purpose of this document is to provide a brief description of the Oracle TNS Listener process  and describe its operation in different run-time scenarios.    This will give the customer a better understanding of how the TNS Listener functions in different types of configurations.



This document applies to the Oracle listener process in Standalone, RAC and RAC/SCAN configurations.  It is limited in scope to 10g and newer.


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In this Document
 General Concepts
  RAC Listener (Pre-11gR2)
  11gR2 RAC/SCAN

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