An Overview of Cloud Based Content Delivery Networks: Research Dimensions and State-of-the-Art - Transactions on Large-Scale-Data-and Knowledge-Centered Systems XX - page 139

video service combining music videos from an existing content source on the Internet
(e.g., YouTube), his/her personal collection, and from live performances he/she attends
using his/her smart phone to capture such content. This can only be done by an
application managing where and when the CDN will deliver the video component of
his/her music program. With CCDN, the end-user will act as both content creator and
consumer. CCDN needs to support this feature inherently. User-generated content
distribution is emerging as one of the dominant forms in the global media market.
Fig. 2. Classication of CCDN challenges and issues