Pietro Michiardi Paul Marrow Richard Tateson Fabrice Saffre Aggregation Dynamics in Service Overlay Networks. 129-140 2007 conf/saso/2007 SASO http://doi.ieeecomputersociety.org/10.1109/SASO.2007.7 db/conf/saso/saso2007.html#MichiardiMTS07