Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations

["Dobbins, Roland" <rdobbins () arbor net>]

On Mar 11, 2011, at 10:51 AM, George Bonser wrote:

>  If you are a content provider, it doesn't make any difference if they take down the links between your routers or if 
> they take down the link that your content farm is on.


Of course, it does - you may have many content farms/instances, and taking down point-to-point links can DoS your 
entire set of farms/instances, whereas an attack against a given endpoint access network doesn't necessarily mean that 
your other properties/networks/services are being attacked, as well.

Limiting this vector to endpoint access networks also makes mitigation mechanisms far more practicable.

There is no good reason to use /64s on point-to-point links.  It is wasteful (please, no more about the supposed 
infinitude of IPv6 addresses; some of us reject this as being shortsighted and insufficiently visionary concerning 
eventual one-time-uses of IPv6 addresses at nanoscale) and turns your routers into sinkholes.  It is a Very Bad Idea.

;>

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Roland Dobbins <rdobbins () arbor net> // <http://www.arbornetworks.com>

                The basis of optimism is sheer terror.

                          -- Oscar Wilde