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Technology Stocks : The *NEW* Frank Coluccio Technology Forum -- Ignore unavailable to you. Want to Upgrade?

To: Kenneth E. Phillipps who wrote (2700)	5/9/2001 2:50:13 AM
From: frankw1900	Read Replies (2) \| Respond to of 46821

Frank, I'm confused by this: You can't map [time-division multiplexing] infrastructures to Ethernet.You can't sell leased lines over Ethernet. This just is not going to work. ATM is going to dominate. I don't know if I'm misinterpreting what should be in the square brackets but isn't ATM a time-division multiplexing technology? Which infrastructures is Nolle referring to? The reason I ask is that the article at Tech Encyclopedia defining ATM certainly states ethernet frames are convertible to ATM cells and vice versa. I went to his CIMI Corp site ( cimicorp.com ) and read everything publicly available he'd written on VPNs and nothing there suggested a mapping couldn't be done. Quite the contrary. So long as a server is looking at something that looks like what it can offer, it serves it up!? What are these guys suggesting their customers do with this gadget? riverstonenet.com They say: The OC-12c module provides a large pipe for connecting networks of switch routers through an ATM cloud. For the metro service providers this powerful OC-12c module could bridge the ATM and gigabit Ethernet infrastructures. ISPs could connect to their next tier ISPs using this ATM module. ATM OC-12c module could be used in the core for aggregating multiple edge switches connected using smaller ATM connections. For DSL networks, OC-12c module could terminate a large number of circuits from CPE devices using PPP over ATM, RFC 1483 bridged or routed encapsulations. Nolle: You can't sell leased lines over Ethernet. Who is he referring to? Who is the 'you'? RBOCs? MSPs? CLECs? Utilitiy companies? Am I mistaking a business argument for a technical one? How much more expensive is ATM than ethernet? Or is he saying cost is irrelevant? The article ends with Nolle quoted: "Major service providers know that ATM works, and it goes back to the issue of what kind of equipment is on the customer premises. I bet that if you took a sample of say, the Fortune 500 companies, you wouldn't find a single buyer of Ethernet metro service." Strong claim. Do you know he's on track with it? Does anyone? I would be grateful if you, or anyone else, could help me with these things. TIA FrankW