Frank Coluccio Technology Forum - ASAP Message Board

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Technology Stocks : Frank Coluccio Technology Forum - ASAP

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To: ahhaha who wrote (1708)	6/1/2000 9:57:00 PM
From: ftth	Read Replies (1) of 1782

Maybe. Someday. But what happens with "the rest" of the internet needs to be abstracted away from our private network with an adaptation layer unfortunately. There is NO WAY what I outlined with "lambda classes" is compatible with the rest of the internet as it exists today--without an adaptation layer. I was hoping to see someone's ideas on how it might be made compatible. Let's face it, "the future" comes in steps--generally baby steps. It almost has to because any disruptive, incompatible change to the internet would require the entire internet to be upgraded and switched on simultaneously--without error. Ain't gonna happen so our private network (which may just be a collection of disjoint "last miles" or maybe it's the network that @home should have become<gg>) has to have a layer or layers of adaptation "circuitry" that allows the rest of the network to incrementally catch up. This is actually, probably, the priciest part of the network, not the fiber lay. The fiber infrastructure deployment has--from what i've seen in proposals--a 30 year service life that its cost is amortized over (compared to about 5 for coax), so the ROI curves for the 2 cross early in the fiber's life and favor the fiber for the rest of its life. Note that somewhere around 5-7 years from now the ROI curves take a step change even further in our favor. This happens when they (e.g. MSO's) finally do the fiber upgrade they should have done in the first place. The network interface box at the dwelling is probably next priciest in terms of up-front cost (today anyway), but that should also have a long service life that its cost is amortized over because we design it that way if we choose. In some ways, the QoS provisions and policies being implemented in "next generation" cable modems mimic the effect the "lambda by class" system gives, except the complexity is much higher within the cable system because this is being done to a shared multi-service channel and must be implemented in every endpoint. Our little network could lump all this complexity together and implement it at a point (the adaptation layer). On our side of the network the normally dynamic and complex process of a QoS implementation is reduced to lambda assignment. OK I exaggerated a bit to make the point. It's a little moe than just a lambda assignment, but not much more, and it certainly doesn't have to be negotiated depending on the state of the rest of the network at any given instant.

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