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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here -- Ignore unavailable to you. Want to Upgrade?

To: MikeM54321 who wrote (9290)	11/25/2000 2:03:06 PM
From: Frank A. Coluccio	Respond to of 12823

Hi Mike, "I was under the impression that there was nothing to spare in the current MSO plant. Hence a next-step to DWDM." If an MSO doesn't have spare strands they could elect to use virtual strands, i.e., wavelengths derived from DWDMs, as you say, instead. Most backbone cables, however, should have at least "some" spare count in them to facilitate growth, "swing" facilities, and new applications. Then again, if the budget was put together on a shoe string, like many are, then you may be entirely correct. In fact, the more I think about it now, now that you've mentioned it, I do recall some strikingly low-strand buildouts, purely in the number of fibers used, with some as low as 8 or 12 strands going back to the head end. Today, in contrast, there are some overbuilds going in by outfits like RCN that include 432 strands along the distribution route to the nodes. For shorter-distance serving area coverage the economics of using additional fibers are still far more favorable that using dwdm. I can surmise that these overbuilders need all of that fiber coming into residential neighborhoods because they are preparing for the eventuality that we've been discussing here, and waiting for ftth technologies to mature. FAC