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[Gnu-arch-users] Re: Ruminations on Arch Desiderata

From: Paul Snively
Subject: [Gnu-arch-users] Re: Ruminations on Arch Desiderata
Date: Tue, 16 Sep 2003 21:43:13 -0700

Hash: SHA1

Hi Miles!

On Tuesday, September 16, 2003, at 09:09  PM, Miles Bader wrote:

Neither does the sort of auto-detection you're talking about -- in fact
I'd think such auto-detection, while convenient, would work best among
the sort of community that's small enough so that it's not strictly

I think there's some tipping point: you can comfortably do manual registration of some known public archive for scales of up to a couple of dozen people. At the scale of a major conference, however, that becomes problematic and DNS-SD/mDNS become very helpful. On the other hand, mDNS certainly doesn't scale beyond the local link. So we'd really need to see DNS-SD support in unicast DNS, which involves dynamic DNS updating, which introduces authentication issues... I agree that we should leave those aside for now, but that still leaves the entirety of the local link, and that still seems like it could be profitably pursued to me.

Hmmm, how about this:

  rm -rf ~/.arch-params/=locations
  ln -s /nfs-mounted-global-dir ~/.arch-params/=locations

Now whenever someone does `tla make-archive' or `tla register-archive',
everybody can see the change... :-)

Yes, as long as people know about the NFS mount, make a new archive there, don't forget to branch before they leave, etc. All of these suggestions are the kinds of suggestions that make sense when you do NOT have a "global distributed namespace." They make a lot less sense when you do.

We have met the enemy, and he is us.  -- Pogo

Best regards,

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