Re: Tunneling vs routing protocol modification

["David M. Meyer" <meyer@network-services.uoregon.edu>]

	Walid,

> d) Multicast routing support
> 
> Reverse Path Forwarding (RPF) assumes that links are symmetric
> (and not only bidirectional). Therefore, the tunneling solution

	I don't think RPF assumes link symmetry. It might be 
	more correct to say that, while RPF works in an 
	asymmetric unicast routed network, it doesn't necessarily 
	find shortest paths (unless the network has symmetrical 
	paths). 
	


	Dave