In the .NET blog, the Bing team described moving the search engine’s frontend layer to .NET Core 2.1: internal server latency dropped by 34% without rewriting the business logic, with gains coming from runtime, JIT, and library improvements. Microsoft later published analyses of migrating Bing’s workflow engine to .NET 5, with further throughput gains. For companies with legacy .NET Framework environments, this is a clear benchmark: moving to modern .NET delivers measurable performance gains and lower infrastructure costs while keeping the same language and team.
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Bing: migration to modern .NET and double-digit performance gains
Bing's frontend migration to .NET Core achieved 34% server latency reduction on one of Microsoft's most demanding services.
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Migrating to modern .NET delivers double-digit performance gains without changing languages, a direct argument for legacy .NET Framework environments.
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