What is the RPC framework? What are the mainstream RPC frameworks? How to implement RPC services in Golang? 1. Introduction to RPC protocol 1.1 What is the RPC protocol? RPC, also known as Remote Procedure Call (RPC), is a computer communication protocol. RPC is a protocol that enables programs to execute subroutines or services in different address spaces. Through RPC, programs can call remote services like calling local functions, thus hiding the network...