Title	Transmitting Hierarchical Aggregation Information Using RTCP Protocol
Author	Radim Burget, Dan Komosny, Milan Simek
Citation	Vol. 7  No. 11  pp. 44-48
Keywords	RTCP, Hierarchical aggregation, Sub-report Block, Receiver Summary Information

Title	Visualization of a Hierarchical Aggregation in the IPTV Network Environment
Author	Patrik Moravek, Mojmir Jelinek, Dan Komosny, Milan Simek
Citation	Vol. 8  No. 11  pp. 343-349
Keywords	Multicast, Feedback, Hierarchical Tree, IPTV, TTP, Signalization Protocol