# AI interconnect insights

Rangoon Insights reporting and guides tagged AI interconnect.

Canonical: https://rangoon.ai/insights/tags/ai-interconnect/

## Topics
- [Agent systems](https://rangoon.ai/insights/topics/agents/): Agent runtimes, handoffs, tools, and the boundaries that make them reviewable.
- [Governance](https://rangoon.ai/insights/topics/governance/): Policy, identity, authorization, approvals, and evidence for consequential work.
- [Infrastructure](https://rangoon.ai/insights/topics/infrastructure/): Model serving, sandboxes, tool services, and deployment boundaries.
- [Models](https://rangoon.ai/insights/topics/models/): Inference choices, local serving, compatibility, and operational tradeoffs.

## Stories
- [CXL 4.0 doubled its link rate and introduced bundled ports](https://rangoon.ai/insights/archive-cxl-4-specification-november-2025/)
  The CXL Consortium released CXL 4.0 on November 18, 2025, doubling the link rate to 128 GT/s and adding bundled ports, retimer reach and memory RAS work.
- [UCIe 3.0 raised chiplet-link rates and added manageability work](https://rangoon.ai/insights/archive-ucie-3-chiplet-specification-august-2025/)
  The UCIe Consortium released UCIe 3.0 on August 5, 2025, adding 48 and 64 GT/s options, runtime recalibration and manageability detail for package links.
- [PCI-SIG released PCIe 7.0 to members at 128 GT/s](https://rangoon.ai/insights/archive-pcie-7-member-release-june-2025/)
  PCI-SIG released PCIe 7.0 to members on June 11, 2025, setting a 128 GT/s transfer rate while keeping the full specification behind member access.
- [NVIDIA introduced NVLink Fusion for semi-custom AI infrastructure](https://rangoon.ai/insights/archive-nvidia-nvlink-fusion-may-2025/)
  NVIDIA introduced NVLink Fusion on May 18, 2025, describing a route for partner ASICs and CPUs to join an NVLink-based rack-scale AI infrastructure design.
- [Lightmatter’s Passage M1000 made photonic I/O a reference-platform claim](https://rangoon.ai/insights/archive-lightmatter-passage-m1000-march-2025/)
  Lightmatter unveiled Passage M1000 on March 31, 2025, describing a 3D photonic-interposer reference platform for AI XPUs and switches with stated 114-Tbps optical bandwidth.


## More information

- [Documentation index](https://rangoon.ai/llms.txt)
- [AI access and policies](https://rangoon.ai/ai/)
- [Source repository](https://github.com/hypler-dev/rangoon)