ASP.NET Core 3.0 Preview 9 منتشر شد
302, Found
https://devblogs.microsoft.com/aspnet/asp-net-core-and-blazor-updates-in-net-core-3-0-preview-9/ icon

To get started with ASP.NET Core in .NET Core 3.0 Preview 9 install the .NET Core 3.0 Preview 9 SDK.

If you’re on Windows using Visual Studio, install the latest preview of Visual Studio 2019.

.NET Core 3.0 Preview 9 requires Visual Studio 2019 16.3 Preview 3 or later. 

ASP.NET Core 3.0 Preview 9 منتشر شد
gRPC + ASP.NET Core به عنوان جایگزینی برای WCF در NET Core.
200, OK
https://devblogs.microsoft.com/premier-developer/grpc-asp-net-core-as-a-migration-path-for-wcfs-in-net-core/ icon

gRPC + ASP.NET Core as a Migration Path for WCFs in .NET Core 

Feature WCF ASP.Net Core + gRPC
Platforms Windows Windows, Linux, MacOS
Protocols LRPC/Named Pipes/HTTP/TCP/MSMQ Binary (GRPC) + HTTP2

(TCP/Named Pipes/LRPC)

.AddProtocol(“ncacn_ip_tcp”, “8080”)

.AddProtocol(“ncacn_np”, @”\pipe\MyService”)

.AddProtocol(“ncalrpc”, “MyService”)

By removing the ASP.NET Core stack and just using .NET Core

Injected Aspects Behaviors ASP.NET Core DI Middleware/ gRPC interceptors
Distributed Transactions *Yes – [TransactionFlow], transactionscopes, and supported bindings *No
Transport Security SSL/TLS SSL/TLS
Message Security Certificates/credentials Certificates/credentials

https://docs.microsoft.com/en-us/aspnet/core/grpc/authn-and-authz?view=aspnetcore-3.0

Windows Authentication Kerberos/NTLM AAD Sync/ASFS + ASP.NET Core middleware
Proxies/Contracts Service Contracts/Data Contracts Protocol Buffers
Proxy-less Communication WCF Channel Factory † Protobuf-Net.GRPC
gRPC + ASP.NET Core به عنوان جایگزینی برای WCF در NET Core.