Re: [DNSOP] Dynamically Generated PTR, was Re: ... rDNS for IPv6...

2009-09-07 Thread Stephane Bortzmeyer
On Wed, Sep 02, 2009 at 09:03:12AM -0400, Edward Lewis ed.le...@neustar.biz wrote a message of 67 lines which said: Without zone transfers, this approach lacks interoperability. The master and slaves have to be the same make. No, they have only to use the same algorithm. One can be in C++

Re: [DNSOP] A practical solution for ISP-level support of the reverse DNS tree for IPv6

2009-09-07 Thread Ted Lemon
On Sep 3, 2009, at 6:37 PM, Mark Andrews wrote: First what DoS that doesn't exist today? Updates already get sent to the ISP's {IN-ADDR,IP6}.ARPA servers. If you do prefix delegation, you're delegating typically 64 bits of address space. If you allow your customer to do arbitrary DNS

Re: [DNSOP] Draft on rDNS for IPv6: draft-howard-isp-ip6rdns-00

2009-09-07 Thread Douglas Otis
On 9/5/09 5:53 AM, Andrew Sullivan wrote: I claim that we need to provide support for the network that people are actually building. That often includes things that we would not do ourselves, and that we think would be better done otherwise. There are valid reasons to formally make statements

Re: [DNSOP] A practical solution for ISP-level support of the reverse DNS tree for IPv6

2009-09-07 Thread Mark Andrews
In message 63fd8b00-b74f-465e-95c8-129a69f52...@nominum.com, Ted Lemon writes : On Sep 3, 2009, at 6:37 PM, Mark Andrews wrote: First what DoS that doesn't exist today? Updates already get sent to the ISP's {IN-ADDR,IP6}.ARPA servers. If you do prefix delegation, you're delegating

Re: [DNSOP] Draft on rDNS for IPv6: draft-howard-isp-ip6rdns-00

2009-09-07 Thread Mark Andrews
In message 4aa58174.6010...@mail-abuse.org, Douglas Otis writes: On 9/5/09 5:53 AM, Andrew Sullivan wrote: I claim that we need to provide support for the network that people are actually building. That often includes things that we would not do ourselves, and that we think would be

Re: [DNSOP] A practical solution for ISP-level support of the reverse DNS tree for IPv6

2009-09-07 Thread Ted Lemon
On Sep 7, 2009, at 6:52 PM, Mark Andrews wrote: /56 should be typical for homes /48 should be typical for businesses I don't think this is germane to the discussion. My point in mentioning /64 was simply that if you go narrower than that, important things break, so it's a

Re: [DNSOP] A practical solution for ISP-level support of the reverse DNS tree for IPv6

2009-09-07 Thread Mark Andrews
In message f4529f1d-1a2f-48be-bf7c-e06419c07...@nominum.com, Ted Lemon writes : On Sep 7, 2009, at 6:52 PM, Mark Andrews wrote: /56 should be typical for homes /48 should be typical for businesses I don't think this is germane to the discussion. My point in mentioning /64 was