Independent advisory · Chicago, IL · est. 2026
Engineering rigor for the fabric that runs your business — and your home.
DDCA advises owners, operators, and integrators on physical-layer infrastructure — fiber and copper — across data centers, small businesses, and homes. Facility design, AI compute build-outs, structured cabling, networks, WiFi, and Home Assistant automation. Blunt, written assessments. No commissions. One principal on every engagement.
Practice
Five interlocking domains. Three markets.
Fiber and copper, end-to-end — from the AI hall to the riser closet to the small-business LAN to the smart home. Same engineering discipline, applied to whichever layer is yours.
Data Centers
Facility selection, in-rack design, redundancy, cooling, structured cabling, BOM review, RFPs.
Fiber & Copper
SAN fabric, structured cabling, OSP routes, ISL sizing, single-/multi-mode fiber, Cat 6A/8 copper, MPO trunks.
AI Data Centers
GPU hall planning, liquid-cooling readiness, high-density power, east-west fabric.
Networks & WiFi
Small-business, branch, remote-office & home LANs — structured wiring, WiFi 6E/7, segmentation, and resilience.
Home Assistant
Self-hosted Home Assistant, lighting, climate, AV, access — resilient, private, local.
Next step
Book a 20-minute call.
Most engagements start with a quick scoping call. No commitment, no slide deck — just a direct conversation about what you're trying to figure out.




