I think Danny is right: if the round trip time is 1 second, and you pick the
midpoint as the outcome of the sync process, you're off at most plus or minus
half a second. I was mixing up the error bound with the size of the error
range.
paul
-----Original Message-----
From: Nico Williams [mailto:[email protected]]
Sent: Wednesday, October 19, 2011 5:13 PM
To: [email protected]
Cc: Koning, Paul; [email protected]; [email protected]; [email protected];
[email protected]; [email protected]
Subject: Re: [IPsec] [TICTOC] Review request for IPsec security for packet
based synchronization (Yang Cui)
On Wed, Oct 19, 2011 at 3:31 PM, Danny Mayer <[email protected]> wrote:
> On 10/18/2011 2:16 PM, [email protected] wrote:
>> Absolutely. But if you allow, say, one second round trip time, you
>> have to assume that your time is off by that amount from the master.
>
> No, half that amount. Round trip means exactly that!
You're assuming symmetric routing...
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