• Author : Tony Li

 
 

IS-IS Dynamic Flooding

Description The goal of Dynamic Flooding is to allow IS-IS to scale to large, dense topologies such as Leaf-Spine topologies. In such topologies, legacy IS-IS can exhibit a congestive collapse due to the control plane load created by excessively redundant flooding.    The basic idea in Dynamic Flooding is to dynamically compute a restricted topology for flooding (the flooding topology). Since this can be much smaller than the full physical topology, this can reduce the redundancy seen by each node, thereby reducing the control plane load and avoiding a congestive collapse.   To do this, we first select one node...
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