This Recommendation describes a framework for content awareness feature of smart ubiquitous networks (SUN). The content awareness feature of SUN considers enhanced capabilities to enable networks to optimally and efficiently handle the content. This Recommendation covers the following: the concept of content awareness; functional requirements to support the content awareness feature; the functional model for content awareness of SUN. While the high-level requirements of the content awareness feature of SUN are covered in [ITU-T Y.3041]@ this Recommendation specifies the detailed functional requirements to realize the capability of content awareness of SUN.