gRPC Overview Build high-performance, strongly-typed RPC services using gRPC and Protocol Buffers. gRPC uses HTTP/2 for transport, protobuf for serialization (10x smaller than JSON, 5-10x faster parsing), and generates client/server code in 12+ languages. Ideal for microservice communication, real-time streaming, and performance-critical APIs. Instructions Step 1: Install Tools Step 2: Define Protocol Buffers Protobuf rules: field numbers are forever (never reuse), use for enums, for lists, for partial updates, for dates, version via package name ( ). Step 3: Generate Code Node.js can load pr…