Learn why Protocol Buffers is a cornerstone in gRPC, how it works to define Messages and Service! Don’t forget to subscribe to get more content about Apache Kafka and AWS! I'm Stephane Maarek, a consultant and software developer, and I have a particular interest in everything related to Big Data, Cloud and API. I sat on the 2019 Program Committee organizing the Kafka Summit. I'm also an AWS Certified Solutions Architect, Developer, SysOps Administrator, and DevOps Engineer. My other courses are available here: https://courses.datacumulus.com/ Follow me on social media: LinkedIn - https://www.linkedin.com/in/stephanemaarek/ Twitter - https://twitter.com/stephanemaarek/ Medium - https://medium.com/@stephane.maarek