midWCF

What is throttling in WCF?

Updated May 6, 2026

Short answer

Throttling limits number of concurrent calls to a WCF service.

Deep explanation

It prevents resource exhaustion using maxConcurrentCalls and sessions.

Real-world example

Preventing overload in high traffic APIs.

Common mistakes

  • Not tuning throttling values.

Follow-up questions

  • What happens if limit exceeded?
  • Why is throttling important?

More WCF interview questions

View all →