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Next-Generation SONET/SDH Technologies and Testing Considerations

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Next-Generation SONET/SDH Technologies and Testing Considerations

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  • Author: Claudio Mazzuca
This application note provides an overview of next-generation SONET/SDH technologies designed for service providers to meet this demand shift. The paper also outlines some of the testing challenges that must be considered when qualifying next-generation systems and when activating and maintaining Ethernet-over-SONET/SDH circuits. SONET/SDH networks have stood the test of time and, until recently, they have been primarily used to transport aggregated voice signals and private-line frame relay and ATM services. The growth of these high-revenue-generating services over the years has resulted in large-scale deployments of metropolitan and long-haul SONET/SDH networks worldwide.

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