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To: John F. Dowd who wrote (22552)	10/6/1998 9:32:00 PM
From: gfr fan	Read Replies (2) \| Respond to of 45548

<< gfr fan: Isn't VOIP a waste of bandwidth given the efficiency of present atm core. It seems to me that I saw where WCOM COO said that giving up bandwidth to voice is counterproductive to increasing their bottom line. Therefore where is the big market for VOIP?>> The market for VOIP lies in having voice travel over the internet on top of data traffic. Carriers may not like this, but if they don't do it, someone else will. This has already happened with data - proprietary email nets have evaporated, and VPNs will allow corporate enterprises to build intranets using the internet. This means that there will need to be a big enough internet core to handle this mass of traffic, and service providers will be selling intelligent access for a host of services voice and data on to this core. There really is no existing ATM core - the carriers and RBOCs lean to ATM as the transport mechanism (based on their circuit switching background) and ISPs lean more towards pure packet networks based on their router backgrounds. There's room for both. Think of it as SONET is the first layer, on top of that lies packets or cells. On top of that lies the protocol - such as IP. So, you can have IP running over ATM core that is switched at SONET speeds through the net.

To: John F. Dowd who wrote (22552)	10/7/1998 10:47:00 AM
From: joe	Read Replies (1) \| Respond to of 45548

John, The way I interpret the practical side of VOIP is such: AT&T has much fast profit rate of growth in it's internet products than its voice products. It's tremendously obvious to them and the rest of the telecom companies that the profits are in providing internet services. Businesses are clamoring for this incessantly. Anyways, once the data network is built (internet), placing the voice part over it is icing on the cake. Voice is just a very small slice of the packets (information) that travel the internet. It could almost be given away for free, as a lead product for internet services. >>giving up bandwidth to voice is counterproductive to increasing their bottom line<< I'm a little confused by your question, but if one is saying to build an internet for the sake of having a differnt voice network, then yes, complete waste of bandwidth. But internets are built for massive transfer of data. I myself average at least a couple of gigabytes of data every day over the internet. Voice packets over that are probably less than 1% of my data transmissions.