[ntp:questions] Re: OT Re: SNTP and requirement 1PPS signal

Maarten Wiltink maarten at kittensandcats.net
Thu Mar 16 08:27:17 UTC 2006


"Jed Clear" <clear at alum.mit.edu> wrote in message
news:44189AFB.98B4E2B9 at alum.mit.edu...
> mike wrote:

>> RFC 2030 says:
>>   It is strongly recommended that SNTP be used only at the extremities
>>   of the synchronization subnet. SNTP clients should operate only at
>>   the leaves (highest stratum) of the subnet and in configurations
>>   where no NTP or SNTP client is dependent on another SNTP client for
>>   synchronization. SNTP servers should operate only at the root
>>   (stratum 1) of the subnet and then only in configurations where no
>>   other source of synchronization other than a reliable radio or modem
>>   time service is available.
>
> Is it just me or has "subnet" taken on a new meaning in this RFC?

Yes and no. It's more or less lost that meaning over the last ten years.
Other documents have used the term "overlay network".

Groetjes,
Maarten Wiltink





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