Key Takeaways
- Keysight unveiled two 1.6‑Terabit Ethernet test systems: SERT 1600GE and AresONE Plus 1600GE.
- Both platforms fit in a 2‑U rack and support eight OSFP‑1600 ports (12.8 Tb/s aggregate).
- SERT 1600GE focuses on switch‑fabric and edge‑router validation, while AresONE Plus adds AI‑workload emulation and mixed‑expert traffic models.
- Real‑time, stateful traffic generation enables performance, interoperability, and control‑plane testing at hyperscale data‑center speeds.
- The unified architecture provides a single reference point for qualifying next‑generation AI‑centric networking equipment.
Introduction: Why 1.6 Tb/s Testing Matters
The rise of AI‑driven workloads and hyperscale cloud services is pushing data‑center interconnects toward 1600 Gb/s Ethernet (1.6 Tb/s per lane). Engineers need test equipment that can sustain line‑rate traffic while reproducing the bursty, heterogeneous patterns of AI inference and training pipelines. Keysight’s new platforms deliver that capability in a compact, rack‑mountable form factor, helping vendors certify silicon, firmware, and system‑level performance before deployment.
Platform Overview
SERT 1600GE – Switch‑Fabric & Edge‑Router Tester
- Form factor: 2 U chassis, 8 OSFP‑1600 ports (12.8 Tb/s total).
- Primary use‑case: Validation of data‑center switch fabrics, spine‑leaf topologies, and edge‑router forwarding planes.
- Traffic engine: Stateful, line‑rate packet generation with configurable header fields, QoS, and latency profiles.
- Control‑plane support: BGP, OSPF, EVPN, and P4 programmable pipelines can be exercised in real time.
AresONE Plus 1600GE – AI‑Workload Emulation & High‑Density Testing
- Form factor: Identical 2 U chassis, 8 OSFP‑1600 ports (12.8 Tb/s).
- Unique feature: Integrated mix‑of‑experts AI traffic model that mimics the stochastic behavior of transformer‑based inference clusters.
- Additional I/O: Two 100 GbE SFP‑DD uplinks for external traffic aggregation.
- Software stack: AresONE suite includes pre‑built AI workload libraries (CNN, RNN, GNN) and a Python API for custom model injection.
Detailed Specification Snapshot
| Specification | SERT 1600GE | AresONE Plus 1600GE |
|---|---|---|
| Port type | 8 × OSFP‑1600 (1.6 Tb/s) | 8 × OSFP‑1600 (1.6 Tb/s) |
| Aggregate throughput | 12.8 Tb/s | 12.8 Tb/s |
| Rack space | 2 U | 2 U |
| Power consumption | 210 W (max) | 240 W (max) |
| AI traffic engine | – | Mix‑of‑experts emulator, 0.5 M‑packet/s per port |
| Control‑plane protocols | BGP, OSPF, EVPN, P4 | Same + AI‑specific telemetry (gRPC, NETCONF) |
| Software licensing | Base test suite | Base + AI‑Workload Module (additional $12,500) |
| Release date | Q3 2026 | Q3 2026 |
| Target market | Switch silicon, router ASICs | AI‑accelerated switches, hyperscale fabric |
Core Capabilities
1. Line‑Rate, Stateful Traffic Generation
Both platforms sustain full‑line 1.6 Tb/s per port while preserving packet headers, timestamps, and flow state, enabling accurate latency and jitter measurements down to sub‑nanosecond resolution.
2. Realistic AI Workload Modeling (AresONE Plus)
The mix‑of‑experts engine reproduces the burst patterns of transformer inference, generating up to 4 M packets per second across the eight ports. Users can select from pre‑loaded models (BERT‑large, GPT‑3 inference) or upload custom TensorFlow/PyTorch graphs via the Python SDK.
3. End‑to‑End Fabric Validation
SERT 1600GE can inject traffic at the edge and capture egress at the spine, allowing engineers to verify congestion control, ECN, and lossless Ethernet (IEEE 802.1Qbb) behavior across multi‑hop topologies.
4. Unified Test Framework
Keysight’s Test Automation Engine (TAE) provides a single GUI and API for both platforms, reducing the learning curve and ensuring repeatable test scripts across hardware generations.
Market Implications
- Hyperscale cloud operators can now certify 1600 GbE fabrics without resorting to multiple lower‑speed test boxes, cutting capital expense by an estimated 30 %.
- AI‑centric switch vendors gain a dedicated emulation environment that mirrors production traffic, shortening silicon validation cycles from months to weeks.
- The 2 U density aligns with modern data‑center rack layouts, enabling in‑situ testing without disrupting existing infrastructure.
Bottom Line
Keysight’s SERT 1600GE and AresONE Plus 1600GE deliver the first commercially available 1.6 Tb/s Ethernet test solutions that combine full‑line‑rate traffic generation with realistic AI workload emulation. By packing eight OSFP‑1600 ports into a single 2‑U chassis, the platforms provide a high‑density, power‑efficient test bed for both traditional switch‑fabric validation and next‑generation AI‑driven network fabrics. For vendors racing to qualify hyperscale and AI‑optimized data‑center equipment, these instruments represent a decisive step toward faster, more accurate, and cost‑effective testing.