UK startup claims 81% power cut with optical switching

💡A potential 81% power reduction in data centers could redefine AI infrastructure economics.
⚡ 30-Second TL;DR
What Changed
Oriole Networks replaces electrical switches with optical ones
Why It Matters
If scalable, this could significantly lower the operational costs and environmental footprint of large-scale AI training clusters.
What To Do Next
Keep an eye on optical networking hardware benchmarks; this could be the next major efficiency leap for your GPU cluster architecture.
Key Points
- •Oriole Networks replaces electrical switches with optical ones
- •Claims an 81% reduction in data center network power consumption
- •Addresses heat and bandwidth bottlenecks in AI systems
🧠 Deep Insight
Background and context from public sources — not the original article. 17 sources cited.
🔑 Enhanced Key Takeaways
- •Oriole Networks' PRISM platform is being deployed in collaboration with AMD hardware, specifically Instinct GPUs and EPYC CPUs, within the UK's £50 million ARIA Scaling Inference Lab, marking its first commercial use.
- •The optical switching technology is projected to reduce GPU idle time from approximately 60% in conventional systems to less than 1%, which Oriole claims will result in an order-of-magnitude increase in AI inference throughput.
- •Founded in 2023 as a spinout from University College London (UCL), Oriole Networks builds upon more than two decades of optical networking research conducted by co-founder Professor George Zervas and his team.
- •Oriole Networks has secured a total of $34.6 million across two funding rounds, including a $12.6 million seed round and a $22 million Series A round led by Plural.
- •The PRISM solution is designed to support systems with up to one million endpoints with a 1-hop diameter, offering true all-to-all connectivity and handling both deterministic collective communications and non-deterministic dynamic traffic.
🛠️ Technical Deep Dive
- Oriole's PRISM platform completely removes electronic packet switches from the network core, replacing them with nanosecond-speed optical circuit switching.
- Data is routed as photons directly from chip to chip, eliminating optical-to-electrical conversions.
- The full-stack solution comprises a high-performance Network Interface Card (providing 800 Gbps bandwidth), an Integrated Photonic Switch and Transceiver (XTR) for on-the-fly wavelength and route selection, and a passive, modular Photonic Router.
- It utilizes nanosecond-level switching and network control across time, wavelength, and space (TDM, WDM, and SDM) to enable rapid circuit configuration, efficiently managing both large and small data transfers.
- The network core features entirely passive interconnects and switches, which means it does not consume power or require cooling.
- PRISM offers true all-to-all connectivity with a 1-hop diameter, capable of scaling to systems with up to one million endpoints.
- The architecture integrates the physical network, AI communication models, and scheduling logic, employing purpose-built algorithms for collective communication strategies optimized for optical circuit-switched networks.
- Its software stack includes xCCL plugins and PCIe drivers designed for seamless integration with existing infrastructure.
- An announced variant, PRISM Ultra, claims a throughput of 50 Exabit per second and 180ns xPU to xPU latency, achieving extensive connectivity with less than 25% of the total system power.
🔮 Future ImplicationsAI analysis grounded in cited sources
⏳ Timeline
📎 Sources (17)
Factual claims are grounded in the sources below. Forward-looking analysis is AI-generated interpretation.
Weekly AI Recap
Read this week's curated digest of top AI events →
👉Related Updates
AI-curated news aggregator. All content rights belong to original publishers.
Original source: The Next Web (TNW) ↗
This is a summary, not the original. Read the source, or get the weekly briefing.
The weekly digest
One email a week. Unsubscribe anytime.

