Le 31/10/2014 16:47, Ted Lemon a écrit :
On Oct 31, 2014, at 10:55 AM, Sheng Jiang <[email protected]>
wrote:
The current general mechanism are too general to work for the use
case of hierarchical prefix delegation. But if we add hierarchical
topology and no bypass requests as constraint conditions, we may be
able to make hierarchical prefix delegation work.
No, that is not the point I am making. The point I am making is
that hierarchical delegation simply won't work, no matter what
mechanism you put in place to do it, because the network has to be
able to grow incrementally. With that as a base assumption, you
cannot predict where the network will grow, so you don't know how to
construct the hierarchy. Once the hierarchy is constructed, you
would have to renumber on a regular basis to make hierarchical
delegation work.
At which point one wonders whether Router Renumbering RFC2894 may need
some updates.
Alex
I think it is preferable to simply allow for a
complete routing table, and then try as best as possible to make
routing hierarchical, without demanding perfection.
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