Jason Zurawski Jeff W. Boote Eric L. Boyd Maciej Glowiak Andreas Hanemann D. Martin Swany Szymon Trocha Hierarchically Federated Registration and Lookup within the perfSONAR Framework. 705-708 2007 conf/im/2007 Integrated Network Management http://dx.doi.org/10.1109/INM.2007.374832 db/conf/im/im2007.html#ZurawskiBBGHST07