Mestechs Tofino 2 Switch Platform and P4 Studio Block Diagram 12.8Tbps reference system
Mestechs Tofino 2 switch platform (MPT128) is a 12.8Tbps reference system for programmable networking evaluation targeting data center, wireless and wireline applications.MPT128 is built on Barefoot Tofino 2TM – 12.8Tbps PISATM (Protocol Independent Switch Architecture) Ethernet switch – and the Barefoot P4 StudioTM Software Development Environment.
Tofino 2 switch features:
Switch platform features and port density are summarized below:
MPT128 | |
Tofino 2 Device | BFN-T20-128Q |
Device Series | U-series |
Match Action Pipelines | Quad |
System Height | 1 RU |
Front Panel Bandwidth | 12.8 Tbps |
QSFP-DD Ports | 32 |
Max 400GbE Ports | 32 |
Max 200GbE Ports | 64 |
Max 100GbE Ports | 128 |
Max 10/25/50GbE Ports | 256 |
Tofino 2 Interface with CPU | PCIe Gen3 x4 |
Tofino 2 Feature Comparison vs. Tofino:
Tofino | Tofino 2 | |
Max Throughput | 6.5 Tbps | 12.9 Tbps |
Match Action Pipelines | Quad | Quad |
MAU Stages per Pipe | 12 | 20 |
Total SRAM per Pipe | 67% increase | |
Total TCAM per Pipe | 67% increase | |
Packet Buffer | 190% increase | |
SerDes Line Rate | 10/25G NRZ |
10/25G NRZ 50G PAM4 |
Ethernet Port Speed | 10/25/40/ | 10/25/40/ |
50/100 GbE | 50/100/ | |
200/400 GbE |
Barefoot P4 Studio SDE
P4 Studio Software Development Environment (SDE) provides a complete suite of tools for P4 simulation (ASIC model), P4 compilation, testing (Packet Test Framework), resource visualization (P4 Insight), runtime control plane driver (Barefoot Runtime) and ASIC driver APIs.
To assist with switch application development, a feature-rich reference P4 data plane program called switch.p4-16 is provided. Its features include:
MPT128 Component and Interface Overview
System Specifications
Specification | MPT128 |
System Throughput | Up to 12.8 Tbps |
QSFP-DD Ports | 32 |
Maximum 400GbE Port Density | 32 |
Maximum 200GbE Port Density | 64 |
Maximum 100GbE Port Density | 128 |
Maximum 10/25/50GbE Port Density | 256 |
CPU and Storage | Intel Pentium D-1517, 4 Core@1.6GHz, 8GB DDR4 SDRAM, 128GB M.2 SSD |
Board Monitor Controller | Aspeed AST1250A1-GP 400MHz |
Front Panel Management Interfaces |
RJ-45 1GbE Port to CPU and BMC × 1 RJ-45 Console Port to CPU × 1 USB 2.0 Port to CPU and BMC × 1 |
AC Power | Redundant (1+1) hot-pluggable 1500W 110-240VAC AC/DC power supplies |
Physical Specifications | |
Rack Units | 1 RU |
System Dimensions (W x D x H) |
17.32” × 19.97” × 1.73” (440 × 507 × 44 mm) |
Shipping Dimensions (W x D x H) |
23.5” × 29.75” × 5.75” (597 × 756 × 146 mm) |
System Weight | ~24 lbs (~11 kg) |
Shipping Weight | ~31 lbs (~14 kg) |
Environment Specification | |
Airflow Direction | Front-to-Back |
Temperature, Operating | 0 to 40°C (32 to 104°F) |
Temperature, Storage | -40 to 70°C (-40 to 158°F) |
Relative Humidity, Operating | 5 to 90% noncondensing |
Relative Humidity, Storage | 5 to 95% noncondensing |
Altitude, Operating | 0 to 10,000 ft. (0 to 3048m) |
Standards Compliance
Electromagnetic compatibility, safety, environmental and transportation testing will be performed. Please contact Barefoot Networks for details.
Shipment Contents
MPT128 switch system, including: