2. Conventions Used in This Document

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119 [RFC2119].

In this document, the characters ">>" preceding one or more indented lines indicate a requirement using the key words listed above. This convention aids reviewers in quickly identifying or finding this document's explicit requirements.