On Wed, 27 Apr 2016, Sean Conner wrote: > One benefit of contiguous subnet masks is that it makes routing faster. > It's still a linear search, but it's based on the average length of the > netmask instead of the total number of entries.
That sounds similar to the idea of route summarization. Without it, core routers wouldn't be able to do what they do fast enough, as you probably are already well aware. http://searchnetworking.techtarget.com/definition/route-summarization -Swift