[Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Adoption -- NTP Extension Field drafts -- Four separate drafts
"Ulrich Windl" <Ulrich.Windl@rz.uni-regensburg.de> Tue, 10 September 2019 07:25 UTC
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Date: Tue, 10 Sep 2019 09:25:23 +0200
From: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
To: watsonbladd@gmail.com
Cc: Rich Salz <rsalz@akamai.com>, Daniel Franke <dfoxfranke@gmail.com>, "ntp@ietf.org" <ntp@ietf.org>, stenn@nwtime.org
References: <1B4A56E7-16A6-4767-9268-BCF4BEB9A247@isoc.org> <BCA949D7-7D92-43A9-9766-573559A9FC70@meinberg.de> <5D66392D020000A100033273@gwsmtp.uni-regensburg.de> <8F6BAF5F-CC7B-47B9-90FD-BD20D6ABE845@meinberg.de> <20190828103752.GI24761@localhost> <3f4b55ca-02d9-a470-229b-40860866efbf@nwtime.org> <20190828111458.GJ24761@localhost> <e50112dd-f918-1135-74c8-a738ecb70b70@nwtime.org> <55867E75-9813-466B-8E57-0E157DE5AEB9@meinberg.de> <d308b5d4-3d6e-981b-3dfc-9d5938bad78d@rubidium.se> <252618a3-d2fb-d5b1-baa4-72b16ef0f845@nwtime.org> <e5b16adb-eddb-fadd-4940-9d97685a36e4@rubidium.se> <6ccb0e56-8bf7-8625-4ee3-2cde6df11681@nwtime.org> <5104A844-93BE-4C8E-8EBC-23D1E656DDE3@akamai.com> <CAJm83bDxUZx9Ea9TOSBDh=MjrM4iG4iqmBQ3UVUQdo0EK0AM3A@mail.gmail.com> <5D773E75020000A1000339FF@gwsmtp.uni-regensburg.de> <CACsn0cmBqaXqMam7Zi_LG=vW5mo4wgVHCSxi0dTUFQzH+ieo+A@mail.gmail.com>
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Subject: [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Adoption -- NTP Extension Field drafts -- Four separate drafts
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>>> Watson Ladd <watsonbladd@gmail.com> schrieb am 10.09.2019 um 08:24 in Nachricht <CACsn0cmBqaXqMam7Zi_LG=vW5mo4wgVHCSxi0dTUFQzH+ieo+A@mail.gmail.com>: > On Mon, Sep 9, 2019, 11:11 PM Ulrich Windl < > Ulrich.Windl@rz.uni-regensburg.de> wrote: > >> >>> Daniel Franke <dfoxfranke@gmail.com> schrieb am 09.09.2019 um 17:46 in >> Nachricht >> <CAJm83bDxUZx9Ea9TOSBDh=MjrM4iG4iqmBQ3UVUQdo0EK0AM3A@mail.gmail.com>: >> > On Mon, Sep 9, 2019 at 11:32 AM Salz, Rich <rsalz@akamai.com> wrote: >> >> >> >> > I continue to maintain that a response should be with a packet at >> the >> >> highest version level we speak that does not exceed the version of >> the >> >> incoming packet. >> >> >> >> I think this is a very interesting idea and deserves careful thought. >> >> >> >> Are there unique error codes in v3 and v4 that a v5 client could >> recognize >> > as "you're too modern for me" ? >> > >> > No, but we could always introduce a new KISS code. Asking a v4 server >> > to know how to respond to a v5 client with an error cognizable to the >> > client is reasonable. But what Harlan seems to be asking, which I >> > think is a terrible idea, is that v4 servers be able to respond >> > *successfully* to v5 clients by assuming that v5 header fields are no >> > different from v4 header fields, thus basically locking us into old >> > design decisions for eternity. >> >> Yes I think the RFC for NTPv5 should place clear rules to forbid that. >> > > There are quite a few v3 clients that just look at the timestamp and ignore > the other fields. I don't see how this is related: If a v5 server does not answer v3 queries in v5 format, that's a non-issue. > > Are there compelling reasons to change the wire format in v5 and not use > extensions/NTS? If so we should do it if not we shouldn't but the wire > format is secondary. > > >> > >> > _______________________________________________ >> > ntp mailing list >> > ntp@ietf.org >> > https://www.ietf.org/mailman/listinfo/ntp >> >> >> >> >> _______________________________________________ >> ntp mailing list >> ntp@ietf.org >> https://www.ietf.org/mailman/listinfo/ntp >>
- [Ntp] Calls for Adoption -- NTP Extension Field d… Karen O'Donoghue
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… Heiko Gerstung
- [Ntp] Antw: Re: Calls for Adoption -- NTP Extensi… Ulrich Windl
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… tglassey@earthlink.net
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- [Ntp] Antw: Re: Antw: Re: Calls for Adoption -- N… Ulrich Windl
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… Daniel Franke
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Heiko Gerstung
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… Watson Ladd
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… Salz, Rich
- [Ntp] Antw: Re: Antw: Re: Calls for Adoption -- N… Ulrich Windl
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Dieter Sibold
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… kristof.teichel
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Magnus Danielson
- [Ntp] Antw: Re: Antw: Re: Calls for Adoption -- N… Ulrich Windl
- [Ntp] Antw: Antw: Re: Antw: Re: Calls for Adoptio… Ulrich Windl
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Heiko Gerstung
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Hal Murray
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Miroslav Lichvar
- [Ntp] Antw: Re: Antw: Re: Calls for Adoption -- N… Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Harlan Stenn
- [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Ado… Ulrich Windl
- [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Ado… Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Heiko Gerstung
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Ado… Ulrich Windl
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Magnus Danielson
- Re: [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Daniel Franke
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Hal Murray
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Harlan Stenn
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Heiko Gerstung
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Hal Murray
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Miroslav Lichvar
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Heiko Gerstung
- [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Ado… Ulrich Windl
- [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Ado… Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for… Watson Ladd
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Salz, Rich
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Daniel Franke
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Salz, Rich
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Daniel Franke
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Salz, Rich
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Salz, Rich
- [Ntp] NTP errors Hal Murray
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… Harlan Stenn
- [Ntp] Antw: Re: Antw: Re: Calls for Adoption -- N… Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Watson Ladd
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Hal Murray
- [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Ado… Ulrich Windl
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Hal Murray
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- Re: [Ntp] Calls for Adoption -- NTP Extension Fie… Fernando Gont
- Re: [Ntp] Antw: Re: Calls for Adoption -- NTP Ext… Miroslav Lichvar
- [Ntp] Antw: Re: Antw: Re: Calls for Adoption -- N… Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Miroslav Lichvar
- [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Ado… Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for… Watson Ladd
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Hal Murray
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Mark Atwood
- Re: [Ntp] Antw: Re: Antw: Re: Calls for Adoption … Steven Sommars
- [Ntp] Antw: Re: Antw: Re: Antw: Re: Calls for Ado… Ulrich Windl