On Wed, 4 Aug 2010, Pietilainen, Antti (NSN - FI/Espoo) wrote:

Hi Shahram,

So let's clarify a little. Unlike in the case of frequency
synchronization I don't expect multiple timing flows going across the
network in the case of time synchronization. Instead, I expect that the
network nodes create a synchronization hierarchy and synchronize the
whole network. Probably BCs will be used. Synchronization service will
be offered at the edges to customers. My view is based on analogy to
Synchronous Ethernet. Note, however, that the architecture has not yet
been discussed in depth in Q13 so other architectures are possible too.

If the architecture presented above is the way to go, the MPLS layer

This looks like a forklift upgrade of the entire network to accomplish what you say above?

--
Mikael Abrahamsson    email: [email protected]
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