On 30 September 2010 22:11, Jack Carrozzo <j...@crepinc.com> wrote: > As it was explained to me, the main difference is that you can have $lots of > prefixes in IS-IS without it falling over, whereas Dijkstra is far more > resource-intensive and as such OSPF doesn't get too happy after $a_lot_less > prefixes. Those numbers can be debated as you like, but I think if you were > to redist bgp ospf on a lab machine you'd get the point.
Both OSPF and IS-IS use Dijkstra. IS-IS isn't as widely used because of the ISO addressing. Atleast thats my take on it.. RIPv2 is great for simple route injection. I'm talking really simple, just to avoid statics.