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Thanks Richard for this great summary of what the board has been pondering
for a bit...

Reid


On Thu, Mar 24, 2022 at 4:58 PM Richard Laager <[log in to unmask]> wrote:

> I've had some discussions with the board as well as with Jay and Jeremy on
> these topics. The board consensus was to bring this (in general) to the
> membership for more input.
>
> As to the specifics, while I know others agree with at least parts of
> this, I'm only speaking for myself here. I'll let everyone articulate their
> own positions. (This disclaimer should not be read as me signaling the
> existance of disagreement either. I just don't want to put words in other
> people's mouths.)
>
>
> Our current policy on remote switches is here:
> https://micemn.net/technical.html#remotes It has the proposal presented
> to the membership for discussion, then the board makes a final decision.
>
> Is this decision ministerial or discretionary? That is, if the remote
> switch proposal checks all the boxes in our policy, is MICE "required"
> (supposed to) always grant it, or is the board supposed to apply some
> discretion?
>
> If the decision is ministerial, then why bother bringing this to the board
> (or for that matter, the members) all? Couldn't we save a bunch of time and
> hassle and simply have management (in some form, whether that's me, Jay,
> and/or Jeremy) approve it?
>
> If the decision is discretionary, are there particular criteria that the
> board should consider (above and beyond the listed criteria)?
>
> One criteria used in a discussion I had (and I can't recall which of us
> said it first) is "MICE's strategic interests". What would that phrase mean
> to you; what are some strategic interests of MICE?
>
> For a bit of an absurd example for the thought experiment, imagine that
> someone was proposing a MICE remote switch, but we knew their goal was to
> attract a bunch of members and then convert that into a competing exchange.
> Is that something we would have to agree to simply because they met all the
> objective criteria?
>
> When we were new and little, MICE certainly had an interest in making
> every decision in a way that would maximize additional peering. However, at
> this point, the calculus may be (I'd argue is) different. We are moving a
> lot of traffic and are important to our members / in our region. We have to
> be careful that our decisions do not destabilize the exchange--in multiple
> ways: technical, financial, or political.
>
>
> Either way, should we expand the list of objective criteria in the policy?
> Some examples:
>
>    - We have previously discussed dedicated vs non-dedicated switches. As
>    time goes along, I am more convinced than ever that MICE remote switches
>    should be required to be dedicated. Non-dedicated switches present extra
>    complications for configuration and troubleshooting. (Jeremy has some
>    additional insight on this that he will share.) I think we should make it a
>    requirement that the switch be dedicated. (Perhaps the board could still
>    grant an exception in exceptional cases.)
>    - Should we require that a remote switch have X number of participants
>    committed? And if so, what is X? In my view, it hardly makes sense to have
>    a remote switch one or two participants. They could just as well backhaul
>    to MICE directly.
>
> The criteria for allowing new remote switches vs disconnecting existing
> remotes need not be the same. If we set a minimum of e.g. 5 participants,
> we don't necessarily need to disconnect existing remotes that don't meet
> that. And I think the consensus is that we would not, barring them creating
> some significant problem.
>
>
> How do we feel about far-away remote switches? (This is a live issue in
> the context of the proposed Kansas City remote.)
>
> Some concerns:
>
>    - At Wiktel, I peer with MN VoIP's far away extensions in Minneapolis.
>    For example, I peer at SeattleIX (SIX) in Minneapolis. This has caused me
>    some issues. For example, latency-sensitive gaming traffic was tromboning
>    Wiktel-Minneapolis-Seattle-Chicago-Seattle-Minneapolis-Wiktel rather than
>    Wiktel-Chicago-Wiktel.
>    - Is it safe to have a broadcast domain that stretches across multiple
>    states (or half a continent, in the SIX case)?
>    - If we take this to its logical extreme... Imagine we had a MICE
>    extension in every datacenter in the U.S. I think that is pretty obviously
>    untenable for a bunch of reasons. Something close to that is actually
>    within the realm of possibility, with some of these virtual extension
>    things that people are doing. (Reid would be able to cite who.) Granted,
>    nobody is proposing that today, but where should we draw the line?
>    - Far-away extensions may reduce the incentive for CDNs to install
>    locally.
>
> Some counterpoints:
>
>    - Nobody is forcing networks to use the far-away remotes.
>    - If people choose to use them, they take their routing into their own
>    hands. They need to understand the tromboning risk and set their own
>    routing policy.
>       - Counter-counterpoint: Do they? Especially smaller / less
>       experienced networks? Have we adequately warned them?
>       - Counter-counterpoint: The existence of these far-away peers
>       doesn't affect just them. It also affects the other networks with which
>       they peer. Everyone on the exchange needs to be aware of the existence of
>       far-away participants and handle their routing policy accordingly. If there
>       are enough far-away peers, this might tip networks into an opt-in route
>       server policy, or even to only do bilaterals. This will disadvantage small
>       participants.
>       - Networks can backhaul into far-away exchanges directly.
>       - Counter-counterpoint: But a remote switch makes this cheaper /
>       more feasible / more common, which is literally the point of creating such
>       a remote switch.
>       - For a local eyeball network in Des Moines, neither MICE nor
>    Kansas City are far-away from me. Even MICE via Kansas City is not likely
>    to be problematic. This might be the only economically feasible way they
>    could peer with Minneapolis content.
>
> --
> Richard
>
>
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-- 
Reid Fishler
Senior Director
Hurricane Electric
+1-510-580-4178