XML-binary Optimized Packaging (XOP), as specified in [XML-XOP], defines a method for the efficient serialization of XML Infosets that have certain types of content. The XML-binary Optimized Packaging (XOP) Profile extends XOP to allow for the creation of more efficient implementations that process XML Infosets. This document, [MS-XOPP], describes the serialization rules for XML Infosets as MIME Multipart/Related XOP packages but does not specify how these XML Infosets are transmitted between network nodes.
Sections 1.8, 2, and 3 of this specification are normative and can contain the terms MAY, SHOULD, MUST, MUST NOT, and SHOULD NOT as defined in RFC 2119. Sections 1.5 and 1.9 are also normative but cannot contain those terms. All other sections and examples in this specification are informative.