Book Image

Microservices Communication in .NET Using gRPC

By : Fiodar Sazanavets
Book Image

Microservices Communication in .NET Using gRPC

By: Fiodar Sazanavets

Overview of this book

Explore gRPC's capabilities for faster communication between your microservices using the HTTP/2 protocol in this practical guide that shows you how to implement gRPC on the .NET platform. gRPC is one of the most efficient protocols for communication between microservices that is also relatively easy to implement. However, its official documentation is often fragmented and.NET developers might find it difficult to recognize the best way to map between C# data types and fields in gRPC messages. This book will address these concerns and much more. Starting with the fundamentals of gRPC, you'll discover how to use it inside .NET apps. You’ll explore best practices for performance and focus on scaling a gRPC app. Once you're familiar with the inner workings of the different call types that gRPC supports, you'll advance to learning how to secure your gRPC endpoints by applying authentication and authorization. With detailed explanations, this gRPC .NET book will show you how the Protobuf protocol allows you to send messages efficiently by including only the necessary data. You'll never get confused again while translating between C# data types and the ones available in Protobuf. By the end of the book, you’ll have gained practical gRPC knowledge and be able to use it in .NET apps to enable direct communication between microservices.
Table of Contents (17 chapters)
1
Section 1: Basics of gRPC on .NET
5
Section 2: Best Practices of Using gRPC
9
Section 3: In-Depth Look at gRPC on .NET

Chapter 1: Creating a Basic gRPC Application on ASP.NET Core

In this chapter, we will learn how to build a basic ASP.NET Core server application that uses gRPC. We will also build a basic console application that will act as a gRPC client.

The main objectives of this chapter are to introduce you to gRPC and to show you how easy it is to set up and use as a communication mechanism between separate services inside a distributed application. This would especially be relevant in a microservice architecture, where many different services act as one application with many moving components. You will see that using gRPC for communication between separate applications is almost as easy as calling methods inside the same application.

In this chapter, we will cover the following topics:

  • Introduction to gRPC
  • Preparing your system
  • Setting up a gRPC server
  • Setting up a gRPC client
  • Understanding how Proto files generate C# code
  • Sharing a Proto file between the client and the server
  • Running a gRPC service on Mac

By the end of this chapter, you will have learned how to set up all the fundamental gRPC components on .NET and how to use them on both the client and server side. You will have also learned how to efficiently share protocol definitions between the client and the server.