!!! Overview
[{$pagename}] ([IKE]) is the [protocol] used to set up a security association (SA) in the [IPsec] [protocol] suite. 


[{$pagename}] uses [X.509] [certificates] for [authentication] ‒ either pre-shared or distributed using [DNS] (preferably with [DNSSEC]) and a [Diffie-Hellman key-exchange] ‒ to set up a [session] [Shared Secret] from which [Cryptographic Keys] are derived

!! More Information
There might be more information for this subject on one of the following:
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* [#1] - [Internet_Key_Exchange|Wikipedia:Internet_Key_Exchange|target='_blank'] - based on information obtained 2018-08-03-