NIPCO, an Iowa Power Cooperative, Uses GigE Switches Case Study SONET vs. Ethernet Several alternatives were discussed during the planning process, including weighing the benefits of SONET vs. Ethernet. “We also have available OC48 and OC3 rings and while they would have served us very well for our purposes by installing Ethernet cards in the equipment, they did not provide us the additional bandwidth needed that could result in system latency,” said Dennis. “Had we would have taken the SONET route, we would also be concerned about the major increase in the cost of the project by needing to purchase OC192 optical cards to upgrade from the OC48 or OC3 bandwidth limitations. Everything has its place. SONET works very well for most of our uses; however, to afford us the flexibi

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