RFC 文档RFC 8445 - Interactive Connectivity Establishment (ICE)16. STUN 扩展本页总览16. STUN 扩展 ICE 定义了若干 STUN 属性, 供 connectivity check 使用: 16.1. 新属性 PRIORITY: Candidate priority USE-CANDIDATE: Nominate candidate pair ICE-CONTROLLED: Controlled agent identifier ICE-CONTROLLING: Controlling agent identifier