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Technology Stocks : Newbridge Networks -- Ignore unavailable to you. Want to Upgrade?

To: fumble who wrote (13069)	8/27/1999 10:58:00 AM
From: Mr.Fun	Read Replies (1) \| Respond to of 18016

In theory yes, but in practice carriers oversubscribe their ATM switches 4 or 5 to one. If every user decided to send traffic at its committed information rate at the same time, packets would get dropped despite contractual agreements. This is even true for constant bit rate services - if the input or output queue fills up, packets fall on the floor. Now the scenarios under which this would happen are extremely unlikely, but consider the MCI/WorldCom outage, where a flood of administrative messages, which have the highest priority, crowded out customer data. How a network is designed and implemented is more important to service quality than the specs of the individual boxes.