Mode Propagation Delays

RFC 2811: Internet Relay Chat: Channel management

6.2 Mode Propagation Delays


   Because of network delays induced by the network, and because each
   server on the path is REQUIRED to check the validity of mode changes
   (e.g., user exists and has the right privileges), it is not unusual
   for a MODE message to only affect part of the network, often creating
   a discrepancy between servers on the current state of a channel.

   While this may seem easy to fix (by having only the original server
   check the validity of mode changes), it was decided not to do so for
   various reasons.  One concern is that servers cannot trust each
   other, and that a misbehaving servers can easily be detected.  This
   way of doing so also stops wave effects on channels which are out of
   synch when mode changes are issued from different directions.




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6.2 Mode Propagation Delays

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