locus of control. centralization of resource control. lack of autonomy in an end-to-end system. trust anchor placement is "just another brick in the wall" here. but i have now dragged out my soapbox and i'm pretty sure this is not speakers corner... so i'll shut up and go back in the woodwork.
--bill On Thu, Apr 23, 2009 at 02:11:44PM -0400, John Schnizlein wrote: > Locus of control? Or that pesky old trust anchor? > > Separable issues: where the validation computations are done, and > setting (and updating) the trust anchor. For computation, the > advantage of caching after validation in the (shared) recursive > resolver probably does not keep up with the performance improvements > of (end) hosts. Distributing trust anchors to hosts is another scale > step harder than maintaining them on (shared - validating) recursive > resolvers. > > Speaking of the popularity of DHCP, that is all about distributing > current parameters to (end) hosts. If only there were a trustworthy > way to do that. DHCP could do that, except for the key distribution > problem (again). But some sort of key distribution is necessary to > protect the hop from a stub resolver and the recursive resolver also. > > My guess is that the solutions for updating (end) host software will > get trustworthy enough to be used for DNSSEC trust anchors, and the > validation will end up in the (end) host. Until the host OS > manufacturers realize this is worth their while, validation in hand- > crafted recursive resolvers can get things started. > > John > > On 2009Apr23, at 1:37 PM, bmann...@vacation.karoshi.com wrote: > > >On Thu, Apr 23, 2009 at 12:52:37PM -0400, Edward Lewis wrote: > >>At 8:43 -0700 4/23/09, David Conrad wrote: > >> > >>>root servers). However the point is that you need to do the > >>>validation > >>>someplace you can talk securely to. The easiest answer is to > >>>simply do the > >>>validation on the same host. > >>> > >>>I figure stub resolvers were needed when cpu/bandwidth/memory were > >>>a bit > >>>more expensive than now. It seems a shame to constrain our > >>>architecture > >>>to the '80s... > >> > >>OTOH, for the one of the same reasons DHCP is so popular, that is > >>centralized local management, it is desirable (in some instances) to > >>have the validation done in the commons and not in end hosts. > > > > locus of control. > > > > i happen to agree w/ David here. there really is no serious > >technical > > hurdle for moving a full-bore DNS IMR into most platforms these days > > (modulo the RFIDs and some of the IoT stuff). > > > > the upsides are huge for mobility, ad-hoc, and temporally > >disconnected > > networks. > > > > the downsides are the LEOS (protecting our security), and the > >Shylocks > > who need to collect what remains of the lunch money. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop