<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Architecture on Tuan Hiep TRAN — The Principal Craft</title><link>https://tuanhiep.github.io/principal/tags/architecture/</link><description>Recent content in Architecture on Tuan Hiep TRAN — The Principal Craft</description><generator>Hugo -- 0.162.1</generator><language>en-us</language><lastBuildDate>Sat, 02 May 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://tuanhiep.github.io/principal/tags/architecture/index.xml" rel="self" type="application/rss+xml"/><item><title>Autopsy of a Hybrid Architecture (2/4): The Temporal Rift in Reactive Cores</title><link>https://tuanhiep.github.io/principal/posts/series_4/2.the_temporal_rift_in_reactive_cores/</link><pubDate>Sat, 02 May 2026 00:00:00 +0000</pubDate><guid>https://tuanhiep.github.io/principal/posts/series_4/2.the_temporal_rift_in_reactive_cores/</guid><description>Why do retries fail with 401 Unauthorized even when your logic seems perfect? Dissecting the dissociation between Assembly Time and Subscription Time.</description></item><item><title>Autopsy of a Hybrid Architecture (1/4): The Illusion of Non-Blocking &amp; Thread Starvation</title><link>https://tuanhiep.github.io/principal/posts/series_4/1.the_illusion_of_non_blocking_and_thread_starvation/</link><pubDate>Fri, 01 May 2026 00:00:00 +0000</pubDate><guid>https://tuanhiep.github.io/principal/posts/series_4/1.the_illusion_of_non_blocking_and_thread_starvation/</guid><description>When 5% CPU utilization meets 503 Service Unavailable. Dissecting the cost of waiting and the quantitative failure of hybrid execution models.</description></item><item><title>From Contention to Throughput (5/5): The Grand Finale — Database / Queue vs Kafka vs Workflow Engines</title><link>https://tuanhiep.github.io/principal/posts/series_2/5.the_grand_finale_decision_framework/</link><pubDate>Mon, 13 Apr 2026 00:00:00 +0000</pubDate><guid>https://tuanhiep.github.io/principal/posts/series_2/5.the_grand_finale_decision_framework/</guid><description>The ultimate decision framework. We resolve the holy war between Database / Queue primitives, Event Streams, and Workflow Engines by defining state lifespan and coordination boundaries.</description></item><item><title>From Contention to Throughput (3/5): Designing for Failure — Lease Systems &amp; Distributed Recovery</title><link>https://tuanhiep.github.io/principal/posts/series_2/3.designing_for_failure_lease_systems/</link><pubDate>Fri, 10 Apr 2026 00:00:00 +0000</pubDate><guid>https://tuanhiep.github.io/principal/posts/series_2/3.designing_for_failure_lease_systems/</guid><description>When SKIP LOCKED is not enough. We explore the State Model, the Law of Temporal Ownership, and how Fencing Tokens prevent distributed split-brain.</description></item></channel></rss>