juniorWCF
What is WCF?
Updated May 6, 2026
Short answer
WCF (Windows Communication Foundation) is a framework for building service-oriented applications in .NET.
Deep explanation
WCF enables building distributed systems by allowing communication between services using various protocols like HTTP, TCP, and MSMQ. It abstracts communication details and provides unified programming model.
Real-world example
Enterprise banking systems using WCF for internal service communication.
Common mistakes
- Confusing WCF with Web API
- WCF is protocol-flexible, not just HTTP-based.
Follow-up questions
- Is WCF still relevant today?
- What is service-oriented architecture?