case study Situation For a major service provider in Canada providing services both as an ILEC and CLEC, DS1 remains a viable business—not a growth business, but one with a large number of circuits and operating ef?- ciency that helps DS1s remain pro?table. Recently, however, demand for DS3 services both to and beyond the demarc has become a more common service request. For this service provider, ?nding solutions for these applications was not

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