Archive / earlier field notes
Before the build log.
Earlier notes on cloud architecture, security, LLM fundamentals and AWS news. Still accurate where dated, no longer the focus of this site. The site now focuses on building apps with coding agents.
62 ARTICLES · 5 TOPICS
CLOUD · 31
- AWS This Week: EventBridge's New Event Bus, Network Security Manager and Cross-Continent DynamoDB (Video) 25 Sept 2026
- AWS This Week: CloudWatch Omni, GPT-6 Sol & Luna and Claude Opus 5.5 on Bedrock (Video) 23 Sept 2026
- AWS This Week: Flat-Rate Direct Connect, PrivateLink Tunnels and 2-Second Agent Cold Starts (Video) 21 Sept 2026
- Deep Dive: The AWS AI Security Framework in 85 Seconds (Video) 08 Sept 2026
- AWS This Week: 4 Launches That Matter for Your Architecture (Video) 07 Sept 2026
- AWS This Week: 4 Launches That Matter for Your Architecture (Video) 05 Sept 2026
- Field Notes: Your Public Certificates Are About to Expire 5x Faster (Video) 05 Sept 2026
- Lambda SnapStart Now Covers Container Images: The Last Cold-Start Excuse Is Gone 05 Sept 2026
- Bedrock Cuts GPT-5.6 Prices by up to 80%: What the Luna/Terra/Sol Asymmetry Tells You 06 Aug 2026
- AWS + Cerebras: wafer-scale inference is coming to Bedrock 23 Jul 2026
- Attributing Bedrock Costs per User and per Project: 4 Mechanisms That Actually Work 20 Jul 2026
- AWS Transform + GenAI for VM Migration: The Assisted Data-Center Exit 10 Jul 2026
- Building a Modernization Index from CUR Data: A CUDOS / Athena / QuickSight Guide 10 Jul 2026
- Multi-PKI on a Single CloudHSM Cluster — Why KMS Is the Wrong Tool for Certificate Authorities 04 Jun 2026
- Amazon Leo for Enterprise: What a LEO Satellite Network Changes for Cloud Architecture 30 May 2026
- Linux Package Management in AWS China Regions — RHUI, Squid Proxies, and What EPEL Cannot Do 24 Apr 2026
- The Cloud Trust Scorecard — 8 KPIs to Bridge the CIO-CFO Gap on Cloud Value 23 Apr 2026
- Overlapping CIDRs in Cross-Account Kubernetes Migrations — Why PrivateLink Resource Endpoints Change Everything 10 Apr 2026
- Cloud WAN vs Transit Gateway — 3 Things It Actually Adds, 5 Things It Does Not 09 Apr 2026
- AWS Weekly Digest — Week 14, 2026: AI Scholars, Agent Plugin for Serverless, Aurora Express, and Lambda Upgrades 05 Apr 2026
- Your ZTNA Strategy Has a Blind Spot — External Users Need a Different Approach 17 Mar 2026
- Why Amazon Connect Is an AI Platform That Happens to Handle Phone Calls 16 Mar 2026
- Your CSPM Won't Save You — Why Cloud Security Is a Governance Problem 16 Mar 2026
- Securing Active Directory on AWS: A Practical Guide to AD Tiering with ANSSI and AWS SRA Alignment 12 Mar 2026
- HTTPS on AWS Lightsail: Setting Up Let's Encrypt with Apache and Route 53 07 Mar 2026
- Migrating a Large Public-Certificate Estate to AWS ACM Exportable Certificates 07 Mar 2026
- When Your Keys Get Locked In: Navigating AWS KMS Import Limitations 05 Mar 2026
- MPLS vs SD-WAN vs CloudWAN: Enterprise Networking Explained Simply 26 Feb 2026
- AWS Weekly Roundup — February 2026: AgentCore, Bedrock, EC2 and More 22 Feb 2026
- Replacing Legacy SFTP with AWS Transfer Family in a Multi-Account Landing Zone 13 Feb 2026
- AWS Backup Cost Analysis 26 Jan 2026
AI · 21
- Kimi K3 — the first open 3T-class model, explained 23 Jul 2026
- SCOT vs Chronos: Two Philosophies of Forecasting at Amazon 05 Jun 2026
- Chronos-2 for Demand Forecasting: When Foundation Models Beat Custom Pipelines 14 May 2026
- SageMaker Unified Studio — The DataZone Migration Decision Framework for Data Engineers 20 Apr 2026
- Building a RAG System That Actually Works: Chunking, Vector Engines, and Testing 10 Mar 2026
- Vector Search vs Semantic Search: They're Not the Same Thing 10 Mar 2026
- Inside AWS Security Agent: How Multi-Agent Systems Automate Penetration Testing 02 Mar 2026
- World Monitor: How Open-Source OSINT Is Democratizing Global Intelligence 01 Mar 2026
- LLM Architecture Explained Simply: 10 Questions From Prompt to Token 26 Feb 2026
- LLM Inference Demystified: PagedAttention, KV Cache, MoE & Continuous Batching 26 Feb 2026
- LLM Distillation vs Quantization: Making Models Smaller, Smarter, Cheaper 25 Feb 2026
- Getting Hands-On with Mistral AI: From API to Self-Hosted in One Afternoon 24 Feb 2026
- Python, Transformers, and SageMaker: A Practical Guide for Cloud Engineers 24 Feb 2026
- TFLOPS: The GPU Metric Every AI Engineer Should Understand 24 Feb 2026
- Transformer Anatomy: Attention + FFN Demystified 23 Feb 2026
- Fine-Tuning Mistral with Transformers and Serving with vLLM on AWS 22 Feb 2026
- A $13.5K Open-Source Humanoid Robot: Inside Unitree G1's AI Stack 14 Feb 2026
- RAG on AWS: Which Vector Store Is Right for You? 09 Feb 2026
- How LLMs Learn to Behave: RLHF, Reward Models, and the Alignment Problem 09 Feb 2026
- A Practical Guide to Fine-Tuning LLMs: From Full Training to LoRA 07 Feb 2026
- How to Track and Cap AI Spending per Team with Amazon Bedrock 06 Feb 2026
WEEKLY DIGEST · 4
SECURITY · 4
- Cloud Sovereignty for the Board — A 3-Tier Architecture That Maps Data Sensitivity to Control Level 23 Apr 2026
- Claude Mythos & Project Glasswing — When AI Finds Zero-Days in Everything 08 Apr 2026
- Your Security Team Wants to Privatize Your App — Here's What They Actually Need 27 Feb 2026
- Cloud Sovereignty Deep Dive - AWS KMS Control Plane Analysis 04 Feb 2026
AI ENGINEERING · 2