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Technology Stocks : Cisco Systems, Inc. (CSCO)
CSCO 77.42+4.6%Nov 13 3:59 PM EST
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To: Tulvio Durand who wrote (18493)10/28/1998 1:13:00 PM
From: The Phoenix  Read Replies (1) of 77398
 
Tulvio,

Pierre's response is partially correct. There are two major problems with the scenario your son experiences. One he is using the internet as the backbone which is different than using an IP based backbone for voice (like QWST), and second the internet can not discern the difference between a telephony packet and a data packet - at least not today. That is there is not QoS. This issue is very quickly being wrestled to the ground. New features such as IP Precendence bits, and RSVP will allow networks to differentiate between real time and non-real time traffic and transmit them through the backbone accordingly. Voice on the internet will actually be voice supported by the ISP but that voice will be "peeled" off at the POP and delivered to a circuit switched network (at least for the next few years). Going forward these circuit switched networks will be "churned" into packet based networks mainly because packet networks can support more users for a given amount a bandwidth resulting in lower cost for the carrier.

The real challenge will be IP based network reliability. Again, this is an area where the vendors are running fast and hard. It's only a matter of time. So, it's not an "if", it's a "when". IP networks ARE the networks of the future.

OG
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