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To: Frank A. Coluccio who wrote (11136)6/12/1999 7:27:00 PM
From: E. Davies  Read Replies (1) | Respond to of 29970
 
They will need to have the MSOs bolster their outside plant in many regions of the country beyond the shortsighted provisions that now exist
I'm very curious what this involves. Are you speaking about the need to bolster the upstream as you mention below or are there even more significant physical changes required?

That will require some tampering with the optical node optoelectronics, and hybrid-ing multiple 75-home block groups onto the return fiber optic part of the HFC back to the head end.
Is this in essense the "resegmenting the nodes" we are always discussing or something different? It seems as though this is a form of regsegmenting the upstream while leaving the downstream alone.

Lastly, I hate to ask an imprecise question to a person so determined to be precise but I will anyway: How many homes can the current upstream support in a single node? "It depends", Frank replies. I hear the answer already.
What I'm looking for is a sense of things. Right now it is ~500 homes sharing a "wire". You imply ~75 is a better target.

Is upstream really that important for say the next 3-5 years? I'll bet 95% of web users consume almost *no* upstream bandwidth. I know I sure don't. If I had a 1200bps upstream I probably wouldnt even notice. Typical consumer use is extreme in the asymmetry. Also with cable penetration rates less than 10% a 75 home node is really only 8 users maybe a dozen max. Or did you mean 75 active accounts?
Eric