v6 deagg

Fri Feb 20 03:16:20 UTC 2015

and then there are the loons who will locally push /64 or longer, some of which may leak.

even if things were sane & nothing longer than a /32 were to be in the table, are we not looking at the functional 
equivalent of v4 host routes?

/bill
PO Box 12317
Marina del Rey, CA 90295
310.322.8102

On 19February2015Thursday, at 19:07, Randy Bush <randy at psg.com> wrote:

> in a discussion with some fellow researchers, the subject of ipv6
> deaggregation arose; will it be less or more than we see in ipv4?
> 
> in http://archive.psg.com/jsac-deagg.pdf it was thought that
> multi-homing, traffic engineering, and the /24 pollution disease were
> the drivers.  multi-homing seems to be increasing, while the other two
> were stable as a relative measure to total growth.
> 
> so, at first blush, we thought v6 would be about the same as v4.
> 
> but then we considered that v6 allocations seem to be /32s, and the
> longest propagating route seems to be /48, leaving 16 bits with which
> the deaggregators can play.  while in v4 it was /24s out of a /19 or
> /20, four or five bits.
> 
> this does not bode well.
> 
> randy