LATEST
LLM Journey
AI from Zero
Local AI
Roadmap
The closing part of season one: a practical roadmap for people who start without background knowledge and want to reach local models, adapters, gateways, and software development.
Rene Fichtmueller
/
2026-06-24
/
~2 min read
ai-fabrics
ols
dwdm
Two trends in optical infrastructure are about to run into each other. Hyperscaler AI fabrics push aggressive disaggregation — programmable transport, vendor-neutral interfaces, customer-controlled SDN. Carrier DWDM, where most of the
Rene Fichtmueller
/
2026-06-24
/
~3 min read
LLM Journey
AI from Zero
Security
MAGATAMA
ShieldX
AI Security
Prompt Injection Defense
Data Privacy
Discover the importance of hard boundaries in AI security with MAGATAMA and ShieldX. Learn how to prevent prompt injection and protect sensitive information.
Rene Fichtmueller
/
2026-06-23
/
~2 min read
ieee
standards
ethernet
1.6t
ethernet-standards
network-planning
technology-trends
Explore the real timeline for IEEE 802.3 Ethernet standards beyond optimistic projections. Plan your network deployments with accurate information.
Rene Fichtmueller
/
2026-06-23
/
~5 min read
LLM Journey
AI from Zero
Codex
Software Development
Verification Practices
Building software with LLMs requires careful verification of changes to maintain quality and control.
Rene Fichtmueller
/
2026-06-22
/
~2 min read
cpo
packaging
hyperscalers
co-packaged_optics
yield_challenges
qualification_processes
Explore the hurdles preventing co-packaged optics from reaching volume production before 2028. Understand yield issues, lengthy qualifications, and cautious customer behavior.
Rene Fichtmueller
/
2026-06-22
/
~4 min read
LLM Journey
AI from Zero
Training
LoRA
AI Training Tips
Model Development
After each training run, take a cooldown to evaluate your results. This helps avoid unnecessary training runs and ensures better outcomes.
Rene Fichtmueller
/
2026-06-21
/
~2 min read
LLM Journey
AI from Zero
Local AI
LoRA
Training
Adapters and LoRA in plain language: not a completely new model, but a small learned behavior layer on top of one.
Rene Fichtmueller
/
2026-06-20
/
~2 min read
LLM Journey
AI from Zero
LLM Gateway
Software Development
An LLM gateway is a front door for AI work: one place for routing, safety checks, audit, fallback, and cost awareness.
Rene Fichtmueller
/
2026-06-19
/
~2 min read
adhd
conferences
nog
I just got back from three days of a regional NOG meeting. By the end of day one I had fourteen good ideas. By the end of day three I
Rene Fichtmueller
/
2026-06-19
/
~5 min read
// about the author
Rene Fichtmueller
Social Networker
20+ years building and breaking networks. Optical transport, peering, data center infrastructure. Writing about the things that go wrong at 2AM — and how to prevent them.