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E13 Bonus: Storage to Inference: Powering High-Speed AI & NVMe Infrastructure with Eran Kirzner, CEO of Lightbits
•42:31 •Bonus

E13 Bonus: Storage to Inference: Powering High-Speed AI & NVMe Infrastructure with Eran Kirzner, CEO of Lightbits

E13 Bonus: Storage to Inference: Powering High-Speed AI & NVMe Infrastructure with Eran Kirzner, CEO of Lightbits
Code Story | Startup Podcast for Technical Founders
0:00 42:31

In this episode

Eran Kirzner born and raised in south Israel, then moved to Tel Aviv to be close to the technology center of the country. He isn't able to see himself outside of technology, no matter how far he looks. He's spent 20+ years in compute storage and networking, building things to help scale data centers - IE deep tech. Outside of work, he is married with 3 kids, a cat, and a dog. His startup and family life blend together in a beautiful way, and there is no real border as his family provides him tremendous support. For hobbies, he enjoys mountain biking and running 10-20 kilometers at a time. 

In 2016, Eran was approached by one of his co-founders, Avigdor Willenz, to start something new together. They realized that connecting drives across a network was flawed, built off top of an old model - so they invented a new standard. After successfully pioneering this technology across the globe, they started to lean into AI inference, and how to break the GPU memory wall.  

This is the creation story of Lightbits. 

Links

https://www.lightbitslabs.com/

https://www.linkedin.com/in/erankirzner/



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Key Takeaways

  • Eliminating the AI Data Starvation Bottleneck: High-performance GPUs and AI accelerators frequently sit idle ("GPU starvation") because traditional storage architectures cannot feed data fast enough to keep model training and inference pipelines saturated.
  • Pioneering NVMe/TCP for Disaggregated Storage: Lightbits invented and standardized NVMe-over-TCP (NVMe/TCP), enabling enterprises to disaggregate compute from storage over standard Ethernet networks with local-flash performance and ultra-low latency.
  • Decoupling Flash Scaling from Compute: Hyper-converged infrastructure often forces data centers to over-provision expensive compute nodes simply to add storage capacity; disaggregating flash allows compute and storage to scale independently and cost-effectively.
  • Optimizing Flash Endurance & Tokenomics: Software-defined storage architectures like LightOS extend the operational lifespan of high-density flash (such as QLC and TLC SSDs) while maximizing IOPS and reducing the cost per token for AI workloads.
  • Serial Semiconductor and Deep Tech DNA: Kirzner brought over two decades of compute, networking, and semiconductor experience—partnering with veteran hardware investor and entrepreneur Avigdor Willenz—to rebuild foundational data center storage from the ground up.

Frequently Asked Questions

What is Lightbits Labs, and what core problem does it solve for AI infrastructure?

Lightbits Labs is a software-defined storage platform that invented NVMe/TCP. It solves the performance bottleneck in data centers by providing disaggregated, low-latency, block storage over standard TCP/IP networks, ensuring AI training and inference models run at maximum speed without GPU idle time.

Who is Eran Kirzner, and what is his background prior to co-founding Lightbits?

Eran Kirzner was born and raised in southern Israel before moving to Tel Aviv. He has spent more than 20 years in deep tech, specializing in compute, storage, networking, and semiconductor engineering (including leadership roles at PMC-Sierra). Outside of technology, he is a dedicated runner and mountain biker who regularly covers 10–20 kilometers.

What is NVMe/TCP, and why was its invention significant?

NVMe/TCP (Non-Volatile Memory Express over Transmission Control Protocol) extends the high performance and parallelism of NVMe drives across standard Ethernet infrastructure. Unlike older protocols like iSCSI or Fibre Channel, NVMe/TCP delivers direct-attached flash speeds without requiring specialized, proprietary networking hardware like InfiniBand.

What is "GPU starvation," and how does disaggregated storage fix it?

GPU starvation occurs when compute processors complete calculations faster than storage drives can deliver the next batch of training data or model weights. Disaggregated NVMe/TCP storage feeds continuous high-throughput data streams across commodity Ethernet networks, keeping GPUs fully utilized.

How does Lightbits improve flash drive longevity and total cost of ownership (TCO)?

Through its LightOS software, Lightbits optimizes write patterns to flash memory, which minimizes write amplification, extends the endurance of cost-effective QLC SSDs, and increases storage efficiency through compression and thin provisioning.

Where can infrastructure engineers and data center operators learn more about Lightbits?

To learn more about disaggregated storage architectures and NVMe/TCP benchmarks, visit Lightbits Labs or connect with Eran Kirzner on LinkedIn.