[ntp:questions] Windows and Wi-Fi - starts well, frequency steps?

Rod Dorman rodd at panix.com
Tue Jan 3 19:34:54 UTC 2012


In article <jdqcs5$ppn$1 at dont-email.me>,
David Woolley  <david at ex.djwhome.demon.invalid> wrote:
>Rod Dorman wrote:
>> But thats my point, it says nothing about transport layer
>> protocols. I'm just trying to understand Dave Hart's statement
>
>As it says nothing about them, it means that all transport protocols get 
>the same resilience, other things being equal (UDP opens the possibility 
>of multicast).
>
>> which appears to claim the UDP over WiFi is guaranteed which I've
>> never seen stated before.
>
>In a network with a WiFi element, the WiFi element is the most likely 
>one to lose packets and force retransmissions, and therefore cause NTP 
>packets to arrive with large delays.  To a large extent it does 
>guarantee delivery compared with what would happen if it didn't retransmit.

I take "guaranteed delivery" when mentioning a transport protocol to
mean end-to-end, not just that one hop of it will retransmit.

-- 
					-- Rod --
rodd(at)polylogics(dot)com



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