HFT CORE SYSTEMS

RSS, flow steering, RPS/RFS, and XPS

Lesson 38 of 96Phase 04: Network datapaths
Video lesson coming soon

The written objectives and hands-on lab are available now.

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Learning objectives

What you should understand

  1. Map flows to NIC queues and CPUs
  2. Distinguish hardware from software steering
  3. Align queue, IRQ and application ownership

Lab

Hands-on exercise

Change steering deliberately and verify packet-processing CPU locality.

Deliverable

Evidence of completion

A queue-to-CPU map with before/after locality evidence.

Prerequisite
EP 37

Phase 04

Network datapaths

Full curriculum