+----------+ | Content +----------------------------------------+ | Publisher| | +---+---+--+ | | | +--+ +--+ +--+ | | +--->|R1|------------>|R2|---------->|R4| | | +--+ +--+ +--+ | | | Cached | | v content | | +--+ at R3 | | +========|R3|---+ | | # +--+ | | | # | | | v v | | +-+ +-+ | +---------------| |-------------| |-------------+ +-+ +-+ Consumer-1 Consumer-2 Mobile Terminal Mobile Terminal ===> Content flow from cache ---> Content flow from publisher