1. Definitions (定义)
1. 定义 (Definitions)
本文档中的关键词 "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY" 和 "OPTIONAL" 应按照 RFC 2119 [RFC 2119] 中的描述进行解释.
本文档中的关键词 "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY" 和 "OPTIONAL" 应按照 RFC 2119 [RFC 2119] 中的描述进行解释.