---
id: "pti"
kind: "glossary-term"
title: "PTI"
language: "zh-Hans"
category: "行业角色与组织"
updated: "2026-10-10T12:00:00Z"
canonical: "https://tldlog.com/zh/cihui/pti/"
translations:
  en: "https://tldlog.com/glossary/pti/"
  es: "https://tldlog.com/es/glosario/pti/"
  de: "https://tldlog.com/de/glossar/pti/"
  fr: "https://tldlog.com/fr/glossaire/pti/"
  it: "https://tldlog.com/it/glossario/pti/"
  pt-BR: "https://tldlog.com/pt/glossario/pti/"
  ru: "https://tldlog.com/ru/glossariy/pti/"
---

# PTI

公共技术标识符

履行IANA职能的ICANN附属机构。这些职能包括管理根区变更，以及维护协议号码注册表和IP地址块注册表。PTI负责处理在根区中添加或更改顶级域的请求。

## 相关术语

- [IANA](https://tldlog.com/zh/cihui/iana/)
- [ICANN](https://tldlog.com/zh/cihui/icann/)
- [根区](https://tldlog.com/zh/cihui/genqu/)
- [授权（顶级域）](https://tldlog.com/zh/cihui/shouquan-dingjiyu/)