SONET Interconnect (was RE: MCI)

Paul Ferguson pferguso at
Fri Mar 29 04:06:20 UTC 1996

At 10:48 AM 3/26/96 -0500, Shikhar Bajaj wrote:

>Currently, the only way of doing this is the "traditional way" of using
>SONET add-drop muxes to get you up to higher rates.  You mux the STS-3c into
>an STS-12 and then mux the 12's into a STS-48. This is what we are doing
>in ATDNet which is a ATM OC-48 bidirectional line-switched ring for ARPA
and DoD.
>As per our previous discussion, the trend seems to be putting the switching
>and transport functions in one box so that you may be able to buy an
>ATM switch that also does SONET protection switching.   

I fail understand, however, why ATM over SONET is desirable when there is
such a loss to overhead, especially when viable alternatives may exist to
get more bang-for-the-buck.

Perhaps someone could enlighten me on this particular datapoint?

- paul

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