use DE bit or priority queue?

From: Ricky MK Au (aurmk@hk1.ibm.com)
Date: Tue Jan 09 2007 - 08:25:58 ART

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Dear all,

Is it more suitable to use the DE bit or priority queue if I would like to
ensure that routing protocol does not drop in case there is a congestion in
the network?

1) First is to define a class with ALL traffic except the routing protocol
and then mark the class with DE bit set. Then during congestion, the
routing protocol will have the least priority to be dropped.

2) Second is to use priority queue with the routing protocol traffic
defined in the highest priority queue?

WHICH of the above method is the most suitable???

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