Re: [v6ops] Fw: New Version Notification for draft-elkins-6man-ipv6-pdm-dest-option-04.txt

joel jaeggli <joelja@bogus.com> Mon, 28 October 2013 17:07 UTC

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From: joel jaeggli <joelja@bogus.com>
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Date: Mon, 28 Oct 2013 10:06:44 -0700
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To: "Ackermann, Michael" <MAckermann@bcbsm.com>
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Cc: Ray Hunter <v6ops@globis.net>, 6man WG <ipv6@ietf.org>, v6ops WG <v6ops@ietf.org>, "ippm@ietf.org" <ippm@ietf.org>
Subject: Re: [v6ops] Fw: New Version Notification for draft-elkins-6man-ipv6-pdm-dest-option-04.txt
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On Oct 28, 2013, at 9:49 AM, Ackermann, Michael <MAckermann@bcbsm.com> wrote:

> Thank you Brian.
> 
> What you say matches my understanding and experiences
> 

Then you should revise your statement accordingly…

> 
> 
> -----Original Message-----
> From: Brian Haberman [mailto:brian@innovationslab.net] 
> Sent: Monday, October 28, 2013 12:24 PM
> To: Ackermann, Michael; Ray Hunter
> Cc: v6ops WG; 6man WG; ippm@ietf.org
> Subject: Re: [v6ops] Fw: New Version Notification for draft-elkins-6man-ipv6-pdm-dest-option-04.txt
> 
> Hi Michael.
> 
> On 10/28/13 12:13 PM, Ackermann, Michael wrote:
>> Hey Ray
>> 
>> It appears your experiences with Time Synch and Stratum levels are
>> different than mine.   In the older Telecom and Voice World Stratum
>> was a great indicator of clocking accuracy.   Still is as far as I
>> know.   This was always true with or without NTP in the picture. And
>> whenever we had two Stratum 0's or 1's, be they the same or different
>> masters, they WOULD be in synch.   We never had a situation that was
>> an exception to that, with or without NTP.
> 
> The NTP definition of stratum is different from that used in the telecommunications domain.  The primary feature of a NTP stratum 0 clock is the ability to generate accurate pulse per second signals, hence calling them reference clocks.  It should be noted that in NTP, stratum
> 0 clocks are *not* NTP servers, they are the source of time information to stratum 1 servers that serve time via NTP.
> 
> Regards,
> Brian
> 
> 
> 
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