Venkat Pullela, CTO for AI infrastructure at Keysight, addresses the critical challenge of validating large AI clusters for capacity, capability, and deployment readiness. Pullela notes that the AI era introduces a unique problem where distributed, loosely coupled systems must operate synchronously, a departure from traditional multi-processor or hyperscale architectures. This demands a fundamentally new approach to ensuring the reliability and performance of AI infrastructure.
A significant challenge in AI infrastructure is the "weakest link" failure, where the performance or failure of a single component can impact the entire synchronous system, making quality a top priority. Unlike previous eras, AI workloads run "full throttle" constantly, meaning the slowest packet or link (the "long tail") determines overall system performance, rather than an average. This requires AI systems to be designed and mass-produced with the precision and systemic integration of a Formula One car, prioritizing performance as the primary criterion. Keysight's solution, the "Design to Deployment Continuum," aims to meet these demands by accelerating time-to-market, enhancing quality through systems thinking, and optimizing efficiency via workload-centric designs.
Keysight's continuum approach enables system testing from "day zero," allowing validation to commence before physical hardware or even all code exists. This is accomplished by creating a unified system testbed that seamlessly integrates simulated, emulated, and real components. This allows for early identification and mitigation of high-risk design decisions. The company provides tools and frameworks that maintain a uniform workflow, common models (for infrastructure, applications, and user behavior), and standardized benchmarks across the entire lifecycle: from initial design and chip development to rack integration and full data center deployment. Keysight positions itself to "be the rest of the world" for any component under test, facilitating continuous testing, co-design, and fine-tuning of AI infrastructure for diverse and specific application requirements, including end-to-end network performance.

Presented by Venkat Pullela, CTO AI Infrastructure, Keysight. Recorded live at AI Infrastructure Field Day 6 in San Jose, CA, on November 5, 2026. Watch the entire presentation https://techfieldday.com/appearance/keysight-presents-at-ai-infrastructure-field-day-6/ or visit https://techfieldday.com/event/AIIFD6/ or https://keysight.com for more information.