[ntp:questions] Compensating for asymmetric delay on a per-peer/server basis?

Rob nomail at example.com
Thu Sep 11 21:11:51 UTC 2014


mike cook <michael.cook at sfr.fr> wrote:
>
> Le 11 sept. 2014 à 21:08, Paul a écrit :
>
>> On Thu, Sep 11, 2014 at 2:08 PM, mike cook <michael.cook at sfr.fr> wrote:
>>>  Did I miss something?
>> 
>> On Tue, Sep 9, 2014 at 3:17 PM, Rich Wales <richw at richw.org> wrote:
>>> My home LAN is connected to my school's network via a cable modem.
>> 
>> If we make the (safe) assumption of a common cable ISP/FiOS in the
>> Palo Alto area the path is asymmetric.
>
>   Yup, AsymmetricDSL does have different up/down bit rates. What I really meant was that the difference would not explain his issue. 
>   ex: with a 12Mbps down rate and 1.3Mbps up rate, the ratio is around 40usec to 300usec transfer of a 48byte NTP packet. 

Bitrate is not the only modem parameter.



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