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To: fumble who wrote (13057)	8/26/1999 1:39:00 PM
From: gbh	Read Replies (1) \| Respond to of 18016

fumble, I stated a few posts back that major carriers have both networks deployed. ATM where QoS is important, and can be sold. And pure IP, where QoS is not important. To think ATM is the end all, is not looking at the real world. BTW, the Cerent box, carries all traffic types, from ATM to IP to FR, and provides the groomming necessary to place this data on Sonet and SDH networks. Its not intended to be either an IP or ATM switch. gary

To: fumble who wrote (13057)	8/26/1999 1:49:00 PM
From: Daniel	Read Replies (1) \| Respond to of 18016

If the traffic approaches the size of the pipes, then some time, some packets will have to be tossed aside. With IP routing, those packets will just be retransmitted again (with a delay). This will cause lousy voice and video and will not reduce the average traffic (will actually increase the traffic). With ATM routing, connections with higher QoS can be differentiated and priced higher, and those packets will not be tossed aside. I'm pretty sure that IPv6 (the new version of the Internet Protocol (IP)) deals with packet priorities, so ATM won't have as much of an advantage for supporting and charging for different level of service. Daniel