nanog mailing list archives
RE: Internet Edge Router replacement - IPv6 routetablesizeconsiderations
From: "George Bonser" <gbonser () seven com>
Date: Thu, 10 Mar 2011 20:34:05 -0800
=
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.
And I say taking down 10 such farms is no bigger problem than taking down 10 /64 backbone links. Same challenge. A /64 is a /64, seen one you've seen them all.
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.
I wouldn't say it is wasteful so much as it is unnecessary but the difference is that everything is pretty much known to work as expected with a /64 subnet. Anything broken with a /64 is really broken and the vendor would be expected to get right on it. If something breaks while using a /127, the doctor might tell you to stop sticking the spoon in your eye.
Current thread:
- Re: Internet Edge Router replacement - IPv6 route table sizeconsiderations, (continued)
- Re: Internet Edge Router replacement - IPv6 route table sizeconsiderations Richard A Steenbergen (Mar 10)
- Re: Internet Edge Router replacement - IPv6 route table sizeconsiderations Justin M. Streiner (Mar 10)
- RE: Internet Edge Router replacement - IPv6 route table sizeconsiderations Mike Walter (Mar 10)
- Re: Internet Edge Router replacement - IPv6 route table sizeconsiderations Owen DeLong (Mar 10)
- RE: Internet Edge Router replacement - IPv6 route table sizeconsiderations George Bonser (Mar 10)
- RE: Internet Edge Router replacement - IPv6 route table sizeconsiderations Pekka Savola (Mar 10)
- RE: Internet Edge Router replacement - IPv6 route table sizeconsiderations George Bonser (Mar 10)
- Re: Internet Edge Router replacement - IPv6 route table sizeconsiderations Jeff Wheeler (Mar 10)
- RE: Internet Edge Router replacement - IPv6 route tablesizeconsiderations George Bonser (Mar 10)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Dobbins, Roland (Mar 10)
- RE: Internet Edge Router replacement - IPv6 routetablesizeconsiderations George Bonser (Mar 10)
- Re: Internet Edge Router replacement - IPv6 routetablesizeconsiderations Dobbins, Roland (Mar 10)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Owen DeLong (Mar 10)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Dobbins, Roland (Mar 10)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Owen DeLong (Mar 10)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Dobbins, Roland (Mar 11)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations James Stahr (Mar 11)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Tim Durack (Mar 11)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Richard A Steenbergen (Mar 11)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Jeff Wheeler (Mar 11)
- Re: Internet Edge Router replacement - IPv6 route tablesizeconsiderations Joe Maimon (Mar 11)