What officially replaces WCF in .Net Core?

In .NET Core, there isn't a direct replacement for Windows Communication Foundation (WCF) as a single, unified communication framework. Instead, .NET Core offers several alternatives and technologies to fulfill various communication needs:

1. ASP.NET Core Web API: A lightweight and modern framework for building HTTP-based APIs using RESTful principles. It supports features such as model binding, routing, middleware, content negotiation, and JSON serialization[1].

2. gRPC: A high-performance Remote Procedure Call (RPC) framework developed by Google. It uses protocol buffers (protobuf) as the interface definition language and provides features such as bi-directional streaming, authentication, and cancellation[1][4].

3. ASP.NET Core gRPC: This includes built-in support for creating gRPC services using ASP.NET Core middleware. It allows defining and implementing gRPC services using C# and integrates seamlessly with ASP.NET Core features such as middleware, dependency injection, and routing[1][4].

4. ASP.NET Core SignalR: Enables bi-directional communication between clients and servers over a single, persistent connectio...