Node Cluster and Domains. Links.

node-cluster-and-domains.md

Cluster: helps running and coordinating several Node processes:

1. API.
2. Module to get started easily: cluster-master.

Domains: help keeping your Node process up and running by catching unhandled errors:

1. API.
2. Read the example code to understand the basic workflow of domains.
3. Module to get started easier: domain-http-server.

Many Node projects start using domains and clusters, including npm site itself (source code is available on GitHub).