gRPC is an open source remote procedure call (RPC) framework that enables client and server applications to communicate with each other remotely and transparently. In this blog post, we are going to discuss gRPC. First, we’ll talk about RPCs and why they are important. Then we’ll explain how gRPC works, taking a closer look at protocol buffers and the architecture of gRPC.

The conversations around eBPF and how this technology will shape the future of the service mesh caused a huge buzz in the last year — yes, bee pun intended. eBPF lets you run sandboxed programs in an operating system kernel. Imagining how eBPF could improve the service mesh brings exciting possibilities, but it also raises security and operational concerns given the current state and limitations of eBPF.