OWIN, Katana, WebSocket

https://docs.microsoft.com/ru-ru/aspnet/core/fundamentals/owin?view=aspnetcore-6.0

https://docs.microsoft.com/ru-RU/aspnet/aspnet/overview/owin-and-katana/

http://owin.org/

WebApi Self Host

https://www.nuget.org/packages/Microsoft.AspNet.WebApi.SelfHost

Install-Package Microsoft.AspNet.WebApi.SelfHost -Version 5.2.9

https://docs.microsoft.com/ru-ru/aspnet/core/fundamentals/owin?view=aspnetcore-6.0

WEbSocket

https://docs.microsoft.com/ru-ru/aspnet/core/fundamentals/websockets?view=aspnetcore-6.0

https://github.com/dotnet/AspNetCore.Docs/tree/main/aspnetcore/fundamentals/websockets/samples/2.x/WebSocketsSample

MessagePaqck

https://docs.microsoft.com/ru-ru/aspnet/core/signalr/messagepackhubprotocol?view=aspnetcore-6.0

owin

https://docs.microsoft.com/ru-ru/aspnet/core/fundamentals/owin?view=aspnetcore-6.0