Spectrum-X course / Module 4
Spectrum-X Ethernet AI fabrics with Cumulus Linux
0%
0 of 5 cases closed
Spectrum-X core
Adaptive routing, congestion control and the SuperNIC
Explain and configure the three mechanisms that make Spectrum-X different from a stock RoCE fabric — per-packet adaptive routing, SuperNIC reordering, and telemetry-based congestion control — and know exactly when each is ineligible.
- Not started
- In progress
- Complete, case open
- Case closed
- Locked
- Checkpoint
- A case closes when the lesson’s retrieval check reaches 80%.
Lessons and checkpoint
- 4.1Adaptive routing: per-packet spraying and its eligibility rulesThe register that says yes and means noAnalyze30 min
- 4.2Why spraying needs a SuperNIC: reordering and direct data placementThe line item the server team wants to changeUnderstand25 min
- 4.3Telemetry-based congestion control: three loops, not oneHigh pause, low marks, at ten past twoAnalyze30 min
- 4.4Programmable congestion control with DOCA PCCCoffee, a laptop, and a customer who wants their own algorithmApply30 min
- 4.5Multiplane fabrics and multi-tenant performance isolationQuad-plane on the hardware they already ownAnalyze30 min
- Module 4 checkpoint14 questions · pass mark 80% · 12 min