LF_DPDK17_SafetyOrange - a tiny server class multi-purpose box with DPDK
- 3. 3#DPDKSummit Objectives u Demonstrate that our infrastructure can eliminate the packet processing impacts of virtualization u PoC of ‘virtual router on a pendrive’ for portability and demo purposes u Free yet powerful packet generator (Pktgen-DPDK) u Efficient and affordable standalone DPDK environment (personal PoD) u PCIe bifurcation for our use case (increase port density)
- 4. 4#DPDKSummit The hardware u Mini-ITX motherboard (6.7” x 6.7”) u Intel low-power Xeon CPU (14c/28t) u 32Gbyte memory (4 channels) u PCIe riser splitter for PCIe bifurcation u 2 x X710 NICs (both in 4x10G mode) u NFC S4 Mini case (4.3 liter / 1.14 gallon) http://nfc-systems.com/s4-mini/
- 5. 5#DPDKSummit PCIe bifurcation “The ability to support multiple PCIe devices using a single PCIe slot” u E.g. Intel Niantic (X520) and Fortville (X710) cards use only x8 PCI-E lanes u If the motherboard supports it then a x16 PCIe can be split into x8x8 slots (or even further… x4x4x4x4) u Port density can be increased (even to oversubscription)
- 7. 7 Previous Work DPDK Summit 2014 DPDK Userspace 2015
- 8. 8#DPDKSummit The layer that makes it all possible u Abstraction layer for environment independence u Memory management forged to make best use of x86 architecture u Predictable high performance and low latency u High Availability enhancements u Runs both native and virtualized mode
- 9. 9#DPDKSummit Finetuning u Ability to remap all CPU resources. Allows easy adaptation to environment specific HT sibling mappings. Can also be utilized to change the CPU resources dedicated to IO / forwarding / application packet processing etc. Background I/O (load balance) Execution Unit 0 14 132 3 4 5 6 7 8 9 10 11 121 15 2716 17 18 19 20 21 22 23 24 25 26 0 1 132 3 4 5 6 7 8 9 10 11 12 14 15 2716 17 18 19 20 21 22 23 24 25 26 u Tuned CPU allocation after initial measurements and bottlenecks identified (simple reconfiguration)
- 10. 10#DPDKSummit Pktgen-DPDK sample 10G ports 13Mpps 79.1Gbps 740byte packets ...
- 11. 11#DPDKSummit Power consumption ● Measured with a Kill-A-Watt P4400.01 at the wall ● 35W idle (half of a dual socket blade with 2x E5-2620v3 (6c/12ht)) ● 99W with 2BG/4IO/22EU without traffic ● 111W max at highest load (range of a desktop replacement notebook)