When the talk turns to public networks with near-perfect uptime and speeds gauged in gigabits, corporate net-I workers are likely to start squinting their eyes: That's the only way they can see that far into the future. It's time to take a closer look at the here and now. Unprecedented speed and reliability are becoming reality as service providers around the world roll out Sonet and SDH on their backbones. Carriers in North America, Europe, and the Pacific Rim are offering or trialing ATM services based on those high-speed transports. What's more, customers in some parts of the world can order up native Sonet/SDH services like dedicated lines or redundant rings.
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