On 12/08/2021 17:59, William Herrin wrote:
> If you prune the routes from the Routing Information Base instead, for
> any widely accepted size (i.e. /24 or shorter netmask) you break the
> Internet.
How does this break the Internet? I would think it would just result in
sub-optimal routing (provided there is a covering larger prefix) but
everything should continue to work. Clue me in, please.
Hi Hank, I think you're right, it could result in sub-optimal routing and in particular, in your AS not being used for these subprefixes (the traffic will go instead to a competing provider who sent the subprefix), hence, as you said, sub-optimal routing.
I think some people (maybe Bill included) may consider the resulting harm to routing to be sufficiently severe to consider this `breaking'. It becomes a judgement call, I guess.
Cheers, Amir
-Hank