The log
Every entry, newest first. One a week on systems, AI and the work of building software.
2026
- What Makes Context Executable?The bank already knew Halden’s sector exposure. Then Credit Risk changed when it mattered. One policy edit, read by agents in two different harnesses, sent the same trade to committee.AI & engineering · 10 min
- What Is a Context Layer?An agent answering a business question needs definitions, current data, permissions, and ways to act. A context layer brings those together for the task at hand.AI & engineering · 10 min
- Building Confidence in Systems Written with AIHow we use formal verification, simulation, fuzzing, and performance tests to build evidence that our Rust services behave as intended.AI & engineering · 14 min
2025
- The Option Surface Has ChangedAI reveals action paths that were always technically possible — but practically invisible.AI & engineering · 5 min
- The Anti-AI Movement and the Myth of CraftsmanshipWhy Kitchen Purgatory is the real threat to software engineering, not the machines.AI & engineering · 3 min
2024
- Sharing State in a Sequencer EnvironmentDiscussion on how to share state safely in a sequencer environment.Replication · 5 min
- Read Heavy Aeron Cluster WorkloadsInvestigating the read consistency models supported by Aeron Cluster.Trading systems · 5 min
- Increasing Replicated State Machine Throughput in Trading SystemsLooking at ways to increase the throughput of replicated state machines in trading systems.Trading systems · 11 min
2023
2020
Follow the log
One new entry every week. The feed carries the full text of every entry.
Subscribe by RSSshaunlaurens.com/feed.xml