Re: [Tzdist-bis] [calsify] tzdist and IANA
Daniel Migault <daniel.migault@ericsson.com> Thu, 18 July 2019 13:08 UTC
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In-Reply-To: <e80eea72-04fa-fe94-c7aa-3c17daedbe9d@burnicki.net>
From: Daniel Migault <daniel.migault@ericsson.com>
Date: Thu, 18 Jul 2019 09:07:57 -0400
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To: Martin Burnicki <martin.burnicki@burnicki.net>, "tz@iana.org mailing list" <tz@iana.org>
Cc: Eliot Lear <lear@cisco.com>, IETF-Calsify <calsify@ietf.org>, Paul Eggert <eggert@cs.ucla.edu>, tzdist-bis@ietf.org, Michael Douglass <mikeadouglass@gmail.com>
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Subject: Re: [Tzdist-bis] [calsify] tzdist and IANA
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adding the tz mailing in the discussion Yours, Daniel On Thu, Jul 18, 2019 at 5:41 AM Martin Burnicki < martin.burnicki@burnicki.net> wrote: > Eliot Lear wrote: > > > >> On 18 Jul 2019, at 10:29, Martin Burnicki <martin.burnicki@burnicki.net> > wrote: > >> > >> Hi all, > >> > >> Eliot Lear wrote: > >>> Hi everyone, > >>> > >>> While the IANA does a great job at servicing our assigned number needs > >>> and delivering the TZ database to developers, they is not set up, nor > do > >>> they have *any* experience, to handle the load that end clients could > >>> place on them. Moreover, they are in no position to support millions > of > >>> people if something goes wrong. And make no mistake: something will go > >>> wrong. I would be okay with a limited tzdist service for those who are > >>> going to be distributing the data themselves, but the order of > receivers > >>> should be on 100s not millions. > >> > >> Wouldn't it be nice to have an infrastructure similar to what the NTP > >> pool provides for time synchronization? > > > > > > I guess I would want to see commitment from those who provide TZ service > to their customers today to go to such a new service before investing a lot > of money. Would Red-hot, Apple, Microsoft, Debian, Ubuntu, or any of the > others want to use it? I also realize that ICANN is well positioned to > fund this sort of thing, but it is not clear to me that it is right for > them to do so. There has to be a real need, and those who really need it > perhaps should foot the bill. > > > > I'm working at Meinberg > https://www.meinbergglobal.com/ > > and we are manufacturing NTP/PTP servers, beside related time > synchronization stuff. > > In the past, whenever governments as of Egypt, Morocco, etc. decided to > start or end DST just a couple of days before this really happens we get > support requests from industries, telecommunication companies, etc., > asking if our time servers could fix the problem to update the TZ data > quickly enough. > > We always have to tell them they need to wait until a new TZ DB has been > released, and then hope that their OS maintainers (Microsoft, Apple, > Linux distros, etc.) pick up the new TZ DB version and provide a > software/firmware update just to provide the latest changes quickly. > > Providing these updates also requires quite some effort for the > maintainers, and it would be much easier for them if this kind of > information could be updated automatically, which should also be faster > than with manual intervention required. > > TZ data must not be requested from a server as often as the current > time, so I think that even if the data size is larger than an NTP packet > the overall load compared to NTP will not be much higher than for a > server that provides NTP services, and if I remember correctly then data > only needs to be transferred if changes have become available. > > So I think this type of service and its advantages just need to be made > more public, to let the OS maintainers learn that they have less work > with rolling out and deploying software updates if they just use TZDIST. > > I'd expect that a TZDIST pool could be operated by volunteers, just like > the NTP pool. > > Martin > > _______________________________________________ > Tzdist-bis mailing list > Tzdist-bis@ietf.org > https://www.ietf.org/mailman/listinfo/tzdist-bis >
- [Tzdist-bis] tzdist and IANA Daniel Migault
- Re: [Tzdist-bis] [calsify] tzdist and IANA Michael Douglass
- Re: [Tzdist-bis] [calsify] tzdist and IANA Ken Murchison
- Re: [Tzdist-bis] [calsify] tzdist and IANA David Thewlis
- Re: [Tzdist-bis] tzdist and IANA Paul Eggert
- Re: [Tzdist-bis] tzdist and IANA Ken Murchison
- Re: [Tzdist-bis] tzdist and IANA Paul Eggert
- Re: [Tzdist-bis] [calsify] tzdist and IANA Daniel Migault
- Re: [Tzdist-bis] [calsify] tzdist and IANA Michael Douglass
- Re: [Tzdist-bis] [calsify] tzdist and IANA Eliot Lear
- Re: [Tzdist-bis] [calsify] tzdist and IANA Martin Burnicki
- Re: [Tzdist-bis] [calsify] tzdist and IANA Eliot Lear
- Re: [Tzdist-bis] [calsify] tzdist and IANA Lester Caine
- Re: [Tzdist-bis] [calsify] tzdist and IANA Martin Burnicki
- Re: [Tzdist-bis] [calsify] tzdist and IANA Daniel Migault
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Steve Crocker
- Re: [Tzdist-bis] [calsify] tzdist and IANA Daniel Migault
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Tony Finch
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Michael Douglass
- Re: [Tzdist-bis] [tz] [calsify] tzdist and IANA -… Thomas Peterson
- Re: [Tzdist-bis] [tz] [calsify] tzdist and IANA -… Michael Douglass
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Eliot Lear
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Paul Eggert
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Ken Murchison
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Steve Crocker
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Paul Eggert
- Re: [Tzdist-bis] [calsify] tzdist and IANA -- est… Steve Crocker
- Re: [Tzdist-bis] tzdist and IANA Paul Eggert
- Re: [Tzdist-bis] [calsify] tzdist and IANA Martin J. Dürst
- [Tzdist-bis] TZ distribution system mailing list Daniel Migault