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Re: Granularity (was Re: [RRG] ALT + NERD is inelegant & inefficient, compared to APT or Ivip)
Excerpts from David Conrad on Wed, Jan 23, 2008 07:11:00PM -0800:
> On Jan 23, 2008, at 4:11 PM, Brian Dickson wrote:
>> It may be that rather than having one problem/solution match-up to
>> consider, that there are two:
>> dual-homed multi-homed (N>2)
>> I'd argue that the requirements of each differ, and there can be
>> significant scaling benefits from splitting them out, and handling
>> each separately.
>> What do folks think?
> My gut feeling (FWIW) is that this would be a mistake. The
> assumptions that you make differentiating the N=2 vs. N>2 cases
> appear to be subjective and dependent on life as we know it now, not
> life as how we might reasonably project it to be. What is to say
> that in the 'near' (for some value of that variable) future, I won't
> want my cellphone router connecting my PAN multi-homed to the (say)
> 6 cellular providers it can find signal for?
> I'm not sure that coming up with an architecture that builds in
> these sorts of assumptions won't end up biting us painfully in the
Historically that's usually what's happened when we explored this kind
of distinction, in any area. In the end it just wasn't worth it and
we reverted to a single general class.
There was a time when we considered special ASNs for multihomed sites.
What happened to that idea?
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