<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>IPv4 on GEUL — 面向AI的语义对齐语言</title><link>https://geul.org/zh/tags/ipv4/</link><description>Recent content in IPv4 on GEUL — 面向AI的语义对齐语言</description><generator>Hugo</generator><language>zh</language><lastBuildDate>Sun, 01 Mar 2026 15:00:00 +0900</lastBuildDate><atom:link href="https://geul.org/zh/tags/ipv4/index.xml" rel="self" type="application/rss+xml"/><item><title>为什么必须留空</title><link>https://geul.org/zh/why/must-reserved/</link><pubDate>Sun, 01 Mar 2026 15:00:00 +0900</pubDate><guid>https://geul.org/zh/why/must-reserved/</guid><description>GEUL将64位空间的75%留空。IPv4、Unicode、ASCII的教训告诉我们——填满的代价不可逆转，而留空的代价为零。</description></item></channel></rss>