TrueSpeed is a repeatable, standards‑based test method that uses RFC 6349 to measure upstream and downstream TCP throughput and help resolve customer complaints about poor network performance. By running the Windows software client and connecting to the service provider’s Fusion Test Agent, users can generate accurate diagnostics that reveal TCP efficiency issues and bottlenecks. The test requires a Windows PC with an Intel i5 or better processor, a supported browser, and internet access. TrueSpeed provides clear insight into real‑world TCP behavior, enabling faster troubleshooting and improved service quality.

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