Subject: [TICTOC] RESEND: on-path support

From: "Yaakov Stein" <[email-masked]>
Date: Tue, 17 Jun 2008 12:33:02 +0300

By "on-path" support, we mean any special feature on links or in network
elements along the way that can be used to improve timing distribution.
This can mean, for example, :
 
LINK SUPPORT
1) a SyncE link
2) a POS path with frequency available to user
3) a DSL link with NTR
 
NETWORK ELEMENT SUPPORT
1) a network element with local timing (e.g. GPS, atomic clock)
2) boundary clock
3) a transparent clock
 
(these are the most common cases, but there are many others).
 
TICTOC protocols should be able to exploit such on-path support when
they exist, but must be able to function (albeit with possibly lower
performance) when they are NOT available.
 
Y(J)S
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