From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Sune.S.Falck@telia.se (Sune Falck)
Subject: Re: Processor Synchronization
Date: 1999/01/21
Message-ID: <F5wH7n.4qI@malmo.trab.se>#1/1
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References: <36A509DB.95F62C0B@pwfl.com> <36A51F3A.2207F91@west.raytheon.com>
 <36A602E0.DA6E298F@pwfl.com>
Organization: Telia ProSoft AB, Sweden
Newsgroups: comp.lang.ada
Date: 1999-01-21T00:00:00+00:00
List-Id: <comp.lang.ada>

Just a pointer.

Digital transmisson systems for telephony have to stay in sync over long 
distances.

PCM systems such as SONET, SDH (Syncrounous Digital Hiearchy) and PDH
(Plesiosynconius Digital Hiarchy) are using methods for clock distribution
and syncronsiation that may be of interest. The time slots occur every 125
microsecond and they must stay in sync in the whole network.

/Sune Falck