JuxMem, stands for Juxtaposed Memory, implements the concept of data sharing service for grid, based on a compromise between DSM systems and P2P systems. JuxMem decouples data management from grid computation, by providing location transparency as well as data persistence in a dynamic environnement. JuxMem is based on the P2P platform called JXTA, which stands for Juxtaposed. For more information about JuxMem, please check the available documentation on the web site of JuxMem [19].