Microsoft - Wcf

Windows Communication Foundation (WCF) is a comprehensive framework developed by Microsoft for building service-oriented, distributed applications, primarily used to send data as asynchronous messages between service endpoints . It provides a unified programming model for creating secure, reliable, and interoperable distributed systems, supporting various message patterns and transports . Core Components and Concepts Implements the business logic .

Runs the service, such as IIS, Windows Process Activation Service (WAS), or a self-hosted console/Windows app . Microsoft Wcf

Define how the client and service communicate, covering protocols (HTTP, TCP, Named Pipes, MSMQ), serialization, and security . Runs the service, such as IIS, Windows Process

A service endpoint can be part of a continuously available service hosted by IIS, or it can be a service hosted in an application. learn.microsoft.com Administration and Diagnostics - WCF | Microsoft Learn B inding (how)

Defines the operations, data formats, and communication patterns. Types include Service, Data, and Message contracts .

Control runtime functionality, such as throttling, security, and metadata publication . Key Features What Is Windows Communication Foundation - WCF

The communication points consisting of A ddress (where), B inding (how), and C ontract (what) .