Baochun Li Jiang Guo Mea Wang iOverlay: A Lightweight Middleware Infrastructure for Overlay Application Implementations. 135-154 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3231&spage=135 2004 conf/middleware/2004 Middleware db/conf/middleware/middleware2004.html#LiGW04