<?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>Extensibility on Tuan Hiep TRAN — The Principal Craft</title><link>https://tuanhiep.github.io/principal/tags/extensibility/</link><description>Recent content in Extensibility on Tuan Hiep TRAN — The Principal Craft</description><generator>Hugo -- 0.162.1</generator><language>en-us</language><lastBuildDate>Sat, 28 Mar 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://tuanhiep.github.io/principal/tags/extensibility/index.xml" rel="self" type="application/rss+xml"/><item><title>Mastering Enterprise Complexity (2/5): Orthogonal Architecture &amp; The Extension Layer</title><link>https://tuanhiep.github.io/principal/posts/series_1/2.orthogonal_architecture_extension_layer/</link><pubDate>Sat, 28 Mar 2026 00:00:00 +0000</pubDate><guid>https://tuanhiep.github.io/principal/posts/series_1/2.orthogonal_architecture_extension_layer/</guid><description>How to prevent your core domain from rotting with side-effects. We explore Orthogonal Architecture, Blast Radius containment, and the principle of Core Blindness.</description></item></channel></rss>