Tuesday, June 18, 2019

Improving Performance with gRPC in ASP.NET Core 3.0: A Comprehensive Tutorial

In the realm of web development, performance is a critical factor that directly impacts user experience. As applications become more complex and distributed, finding efficient communication mechanisms becomes crucial. Enter gRPC, a modern and high-performance communication framework that offers significant performance improvements over traditional APIs. With the integration of gRPC in ASP.NET Core 3.0, developers have a powerful tool at their disposal to create fast and efficient APIs. In this comprehensive tutorial, we'll explore how to improve performance using gRPC in ASP.NET Core 3.0.

Understanding gRPC

At its core, gRPC is a remote procedure call (RPC) framework developed by Google. It uses HTTP/2 for transport, offering benefits like multiplexing, header compression, and flow control. gRPC supports various programming languages and platforms, making it ideal for creating APIs in distributed systems.

Setting Up Your Project

To get started, ensure you have ASP.NET Core 3.0 installed. Create a new ASP.NET Core project or use an existing one. Then, add gRPC services to your project by installing the Grpc.AspNetCore NuGet package.

Defining Services and Messages

Define your services and messages using Protocol Buffers (protobuf). Protobuf is a language-agnostic serialization format used by gRPC to define service methods and message structures. You'll define your service methods in a .proto file and compile it using the protoc compiler.

Implementing the Server

Implement your gRPC server by creating classes that inherit from the generated base classes. These classes will implement the methods you defined in your .proto file. Configure your ASP.NET Core application to use gRPC by adding the gRPC services in the Startup.cs file.

Implementing the Client

Create a gRPC client to consume the methods provided by your server. You can generate client code using the same .proto file you used for the server. This ensures that your client and server are in sync and use the same contract.

Performance Benefits

The performance benefits of gRPC are notable. With features like HTTP/2 multiplexing, gRPC allows multiple requests to be sent and received concurrently over a single connection. This reduces latency and improves resource utilization. Additionally, gRPC's binary serialization and efficient data representation contribute to faster data transfer.


gRPC is a game-changer in the world of communication frameworks, and its integration into ASP.NET Core 3.0 empowers developers to create high-performance APIs. By following this tutorial, you've learned how to set up gRPC services, define service methods using protobuf, implement the server and client, and leverage the performance benefits gRPC offers. As you explore gRPC in ASP.NET Core 3.0, you'll find that it not only enhances the efficiency of your applications but also opens the door to building scalable and responsive distributed systems that deliver exceptional user experiences.

Monday, May 6, 2019

Exploring What's New in ASP.NET Core 3.0: Features and Enhancements

The realm of web development is ever-evolving, and staying up-to-date with the latest tools and technologies is essential for building modern, efficient, and high-performance applications. ASP.NET Core, a popular framework for creating web applications, continues to push the boundaries with each new release. With the launch of ASP.NET Core 3.0, developers are treated to a host of new features and enhancements that further streamline development and offer exciting possibilities. In this article, we'll dive into what's new in ASP.NET Core 3.0 and explore the features that are shaping the future of web development.

1. gRPC: High-Performance Communication

One of the most anticipated additions in ASP.NET Core 3.0 is the inclusion of gRPC, a high-performance communication framework developed by Google. gRPC enables efficient and fast communication between services using a binary protocol, making it ideal for building microservices architectures. With support for multiple programming languages and platforms, gRPC simplifies the process of creating lightweight and performant APIs for distributed systems.

2. Endpoint Routing: Improved Request Handling

ASP.NET Core 3.0 introduces endpoint routing, a more streamlined and efficient way to handle incoming requests. This enhancement improves the performance of request routing and simplifies the configuration of routes. Endpoint routing also paves the way for better integration of middleware and improved request processing pipelines.

3. Blazor: Building Web UI with .NET

Blazor, a framework for building interactive web UI using C# and .NET, continues to gain prominence in ASP.NET Core 3.0. With Blazor, developers can create dynamic web applications entirely in C# without relying on JavaScript. In ASP.NET Core 3.0, Blazor is now officially part of the framework, offering improved performance, tooling, and integration.

4. Worker Service Template: Background Services Simplified

Background services are a crucial aspect of many applications, and ASP.NET Core 3.0 introduces the Worker Service template to make building background tasks and services more straightforward. This template provides a structured way to create long-running services that perform tasks in the background, such as data processing, periodic jobs, and notifications.

5. Windows Desktop Applications with WPF and WinForms

ASP.NET Core 3.0 expands beyond web development, enabling developers to build Windows desktop applications using Windows Presentation Foundation (WPF) and Windows Forms. This cross-platform support allows you to create modern desktop applications that can run on both Windows and non-Windows platforms.

6. Performance Improvements

Performance is a central focus of ASP.NET Core 3.0. The framework introduces various performance improvements, including reduced memory usage, faster JSON serialization, and enhanced throughput. These optimizations contribute to faster response times and more efficient resource utilization.


ASP.NET Core 3.0 brings a wealth of new features and enhancements that empower developers to build modern, performant, and innovative applications. Whether you're exploring high-performance communication with gRPC, developing interactive web UI with Blazor, building background services using the Worker Service template, or extending your skills to create cross-platform desktop applications, ASP.NET Core 3.0 opens the door to exciting possibilities. As you embark on your journey with this version, you'll discover how these features elevate your web development capabilities and allow you to create applications that shine in the ever-evolving landscape of technology.