On Thu, Mar 22, 2012 at 3:50 PM, Brian E Carpenter < [email protected]> wrote:
> On 2012-03-22 12:33, homenet issue tracker wrote: > > #4: Use of ULAs > > > > CN1 in the -02 text says ULAs should be provisioned by default. Do we > > agree? > > Yes, by the CER (MUST). > > It's much less clear for all other routers on site. I would prefer that > no other router provisions a ULA prefix if the CER has already delegated > one. > Since it is nearly impossible to learn a subnet prefix that is unused unless all devices share a routing protocol, I have generally preferred to generate unique ULAs per routing device. > > > And if so, should they be preferred over globals? > > Yes. > > This part I don't quite understand. I would prefer global prefixes to always take precedence over ULAs. I'd like ULAs to try to talk only to ULAs. ULAs should not escape into the global DNS, but should end up in local dns. Even with 'happy eyeballs', having a means to disable a ULA -> global connection by default saves 100s of ms in the bad cases. > > The new > > 3484-bis has changed so they are not *unless* a specific /48 for the > site > > is added to the 3484 policy table with higher precedence than globals. > We > > should design something that works when disconnected from the Internet. > > We'll have to deal with whatever 3484bis ends up saying. If it does > require an explicit policy table entry table, that will require > a mechanism, associated with the prefix delegation mechanism. > OK, I will re-read, thx for the update.. > > Also, we currently say nothing about ULA-only devices and their > > reachability from outside the homenet; do we want to? > > I don't see what there is to say; they aren't reachable, and that's > a feature. > > Brian > _______________________________________________ > homenet mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/homenet > -- Dave Täht SKYPE: davetaht US Tel: 1-239-829-5608 http://www.bufferbloat.net
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