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Network partitions occur when servers are operational but can't communicate, affecting system performance.

RPC allows one service to call a function in another service over the network.

Service Discovery helps microservices locate each other dynamically without fixed IP addresses.

Crash failures stop a service, while network failures disrupt communication.

DNS helps microservices find each other, but it has limitations that may require a service registry.

The CAP Theorem explains the trade-offs in distributed systems during network failures.

Microservices can communicate using five key patterns based on their needs.

gRPC supports four communication patterns: Unary, Server Streaming, Client Streaming, and Bidirectional Streaming.