This paper presents a metafile-based progressive caching system over the content-centric networking (CCN) tree that supports seamless video streaming services with a high network utilization. In the proposed caching system. each CCN node uses a metafile made by a scalable caching algorithm for efficient and fast chunk caching management. and the reserved area of the CCN interest/data ... https://otsportszones.shop/product-category/pennants/