Ted Lemon <mel...@fugue.com> writes:

> On Aug 10, 2017, at 5:07 PM, Toke Høiland-Jørgensen <t...@toke.dk> wrote:
>> with the possible exception of the
>> requirement for supporting multiple provisioning domains
> How would you solve the problem of dual-homing without the multiple
> provisioning domain support described in the document?

We're talking about the "oh no, my netflix streams is coming from the
wrong ISP" kind of problem here, right? I.e., same DNS request gives
different answer depending on which ISP I send it to?

For one thing, I'm not convinced this is that big of a problem. I happen
to live in a country that likes to apply censorship by messing with DNS;
so I generally don't use my ISP's name servers, and have never had any
issues arising from this. So in this case a solution could just be to
ignore the issue... :)

Now, assuming that I am wrong and this is actually a serious issue that
we need to solve (of which I am not opposed to being convinced), I think
it would be feasible to come up with a solution where we could at least
allow less capable routers that do not implement the full MPvD support.
I can think of at least two ways off the top of my head:

1. Allow the router in question to offload queries to a more capable
   router elsewhere in the homenet.

2. Allow the router in question to just query all upstreams and combine
   the results (and so offload the problem to the client).


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