dotnet-realtime-communication

Choosing between SignalR and SSE for real-time communication depends on your need for bidirectional interaction. SignalR supports two-way client-server messaging, while Server-Sent Events (SSE) is ideal for simple, one-way server-to-client push notifications like live stock updates.

To implement a SignalR hub for real-time communication, you set up a server-side hub class, handle client connections, and manage user groups. This enables your .NET application to broadcast live updates and notifications to all connected clients efficiently.

Use gRPC streaming in .NET for high-performance, bidirectional real-time communication using binary serialization. JSON-RPC 2.0 is better suited for simpler, text-based remote procedure calls where strict contract definitions are less critical.

Yes, SignalR supports scaling real-time communication across multiple servers. You can use a Redis backplane or Azure SignalR Service to distribute messages, ensuring connected clients receive updates consistently when your application scales out.

SignalR manages authentication and groups within your real-time communication hub by mapping authenticated users to specific groups. This allows targeted message delivery, ensuring only authorized connected clients receive specific live updates.