Read this if

• ✓ You need to build highly distributed, networked applications.
• ✓ You require deep, low-level mastery of Unix socket programming.
• ✓ You are an advanced developer working with Linux networking.

Skip this for now if

• ✗ You are seeking an introductory guide to network programming.
• ✗ You prefer high-level frameworks over raw socket APIs.
• ✗ You are not working with Unix-like operating systems.