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

To: axial who wrote (1009)	10/11/2000 11:36:25 PM
From: Frank A. Coluccio	Read Replies (1) \| Respond to of 46821

Going to an all IP network is fine, especially if your peers and business partners build enough "head room" in their IP networks (like you have done for yours <s>) to accommodate hand offs and transiting from you. Not so long ago, it appeared that the silicon in ATM wouldn't scale efficiently beyond OC-12 rates. Then OC-48. Now it seems that the ATM Forum has pushed the limit to 10 Gb/s, or OC-192, just about where IP is now ready to function. No, the scalability of chip sets can no longer be cited as the gating factor favoring IP. At least not where concatenated flows are concerned. Well, IP still has an edge in this respect, but it's a lag function where ATM is more difficult to achieve, but it's not a matter of exclusion. And there's a sustained movement to implement ATM -- when QoS is mandatory -- by SPs for quality of service in support of their IP solutions. IP continues to take share away from ATM, as a function of the whole, especially where the WWW is concerned. But VPNs, DSL networks, certain extranets and mixed-use multimedia networks are depending on ATM, as much now as they ever have. And almost all of the larger DSL offerings use ATM in their transport and edge networks, as well. And many of the national and regional DSL networks use them across their backbones, as well.