[ntpwg] ntpwg Updated NTPv4 Protocol Specification/timestamp location

[Brian Utterback]

Al Morton wrote:

> Kurt,
> 
> B set T2 at the end of the packet, so it includes serialization time.
> B set T3 at the end of the packet, where it excludes serialization time.
> (A sets T1 and T4 at the beginning of the packets).
> 
> Consistency among senders and receivers seems to be important here.
> 
> movin' on,
> Al
> 

Which was exactly the point that he was trying to show. Consistency
is important, or at least relevant. The maximum error introduced is
1 frame time. But marking start of packet is much easier than end of
packet, which involves making predictions.

-- 
blu

There are two rules in life:
Rule 1- Don't tell people everything you know
----------------------------------------------------------------------
Brian Utterback - Solaris RPE, Sun Microsystems, Inc.
Ph:877-259-7345, Em:brian.utterback-at-ess-you-enn-dot-kom