Departmenet of Computer Science and Engineering,Fudan University,Shanghai 200433,China;
Software Engineering Institute,East Normal University of China,Shanghai 200062,China;
Department of Computer Science,National University of Singapore,Singapore,Singapore 117543,Singapore;
Departmenet of Computer Science and Engineering,Fudan University,Shanghai 200433,China;
Software Engineering Institute,East Normal University of China,Shanghai 200062,China;
Departmenet of Computer Science and Engineering,Fudan University,Shanghai 200433,China;
Publish/Subscribe system; data dissemination; distributed Hash table; overlay network;