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What is streaming in WCF?

Updated May 6, 2026

Short answer

Streaming allows large data transfer without loading entire message into memory.

Deep explanation

WCF supports streamed transfer mode for efficient handling of large files like videos or images.

Real-world example

File upload/download services.

Common mistakes

  • Using buffered mode for large files causing memory issues.

Follow-up questions

  • What are streaming modes?
  • When to use streaming?

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