The MPLS WG Archive

["David Allan" <dallan@nortelnetworks.com>]

Curtis:

> MPLS Ping has a means defined to determine that an ECMP 
> branch point exists, and a means to provide the means to 
> exercise each branch. This is all independent of the 
> algorithm used to accomplished the split, hash based or 
> other.  That is a move forward technically.  The alternate of 
> randomly spraying addresses across the 127/8 space has also 
> been suggested as a solution that from a practical standpoint 
> covers the problem, though with no certainty.
> 
> This is a solved problem.  

Your characterization of the solution is somewhat like the dancing bear in
the Moscow circus. The wonder is that it dances at all.....

The binary characterization of "a solution", "no solution" IMHO is
insufficient and as I've noted in the comment to Rahul on VCCV, there are
other implications beyond simply the ability to test IP path permutations.

cheers
Dave