(chair bit enabled)

On Feb 26, 2014, at 9:56 PM, Mark Andrews <[email protected]> wrote:

> In message <[email protected]>, "John Levine" writes:
>> 
>>> Perhaps all that is missing is some guidance that says "you shouldn't hijack
>>> namespaces that you don't control, even for non-DNS applications; register a
>>> domain instead".
>> 
>> That's a relatively high bar for all the residential broadband users
>> who buy a router at Best Buy (Future Shop to you), plug it in, and set
>> up the router via the configuration page at http://router.home.
> 
> And why wasn't that "http://router.netgear.com"; or
> "http://router.linksys.com";. The router could easily serve the zone
> locally and the vendor could have a insecure delegation to it so
> it works if there are validating browsers being used.
> 
> http://router.home does not work with validating browsers.
> 
> If the CPE vendors want to use .home let them pony up the 100K for
> it rather than hijack the namespace.

There are operational reasons to care whether a name is in the special names 
registry, the production root zone, both, or neither-- regardless of who has 
authority over either or on what terms. We should probably focus on those. The 
DNSSEC issue is one useful set to explore, and further focus on it would be 
helpful. Another set of suggestions for our work is beginning to appear around 
refinements of standards treatment for DNS search path processing, on the 
grounds that much of the unpredictability of mixing namespaces and DNS scopes 
is based on unpredictable precedence of search path processes.

We've attempted to suggest now more than once that the special names 
discussions will be more useful if:

*We leave speculation on the economics and other non-technical attributes of 
other entities' decisions about the namespace out of it. Speculation on other 
mechanisms besides the one we in the IETF have (roughly, RFC 6761) for getting 
names into the top level namespace isn't productive, as we don't control them. 
We don't know when or whether ICANN will ever conduct another new TLD opening, 
or what will be eligible to be included, or at what price. The root zone change 
we have to consider is only that the old assumptions about its size stopped 
applying, not what the new ones might be beyond the specific commitments made 
by ICANN in its current root zone expansion. This is not an endorsement of 
anyone's actions in this space, or a condemnation either; it's an attempt to 
describe the situation we're actually in. 

* We separate issues of "what should be done, if anything, in the future to 
enable/support/protect non-DNS-protocol-specific, possibly non-global uses of 
the DNS namespace" from "what should be done, if anything, to improve/normalize 
the situation we're currently in". We have several drafts for discussion in 
London on options for the future, and a possible course of action for them that 
we work on them as refinements or replacements to RFC 6761. We also have two 
drafts requesting more or less that we grandfather pseudo-TLDs deployed in the 
absence of clear guidelines and consistent system behavior, in order to 
mitigate current issues caused by "hijacking" names under traditional 
expectations about how the root zone is managed. 

Regarding the guidance Joe proposed, our question is whether it's good guidance 
for the future, not so much whether it would have been in the past. We may also 
decide there's nothing we can do in the way of such guidance, the relevant 
horses have left the relevant barns, and the combination of DNS on-the-wire 
protocol, system behavior for scoping of names, and the policy characteristics 
of the namespace mean ambiguity, collision, or other sub-optimal 
characteristics of trying to use DNS namespace for non-DNS protocols or 
non-global scopes are a fact of life we can't usefully act to prevent in the 
future. That doesn't tell the IESG what to do with the current requests for 
grandfathering.

Ultimately, these issues do have to be integrated. But at this point we will 
get nowhere in, for example, trying to decide whether to grandfather existing 
names into the special names registry managed under the process in RFC 6761 
based on an opinion about what a vendor might or should do in the future under 
an ICANN process we don't control.

thanks,
Suzanne




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