North American Network Operators Group

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Re: backbone routers' priority settings for ICMP & UDP

  • From: Dean Anderson
  • Date: Tue Feb 03 15:45:23 1998

At 2:17 PM -0500 2/3/98, Marko B. wrote:
>In my travels I have heard numerous times that it is a popular practice to
>give ICMP and even UDP traffic a lower priority on backbone routers in
>times of congestion.

ICMP in general is or should be given higher priority, since it is
necessary for congestion control.  Echo requests (pings) could be thrown
away, but the rest is necessary.


           Plain Aviation, Inc                  [email protected]