Journal of Parallel and Distributed Computing

Editor-in-Chief Viktor Prasanna University of Southern California (USC), Los Angeles, CA, USA, Associate Editors-in-Chief D.A. Bader Georgia Institute of Technology, Atlanta, GA, USA, A. Lumsdaine Indiana University, Bloomington, IN, USA, S. Ranka University of Florida, Gainesville, FL, USA, P. Stenström Chalmers University of Technology, Göteborg, Sweden, Chairman, Advisory Board: H.J. Siegel Colorado State University, Fort Collins, CO, USA, Advisory Board: K. Mani Chandy California Institute of Technology, Pasadena, CA, USA, Michel Cosnard Institut National de Recherche en Informatique et en Automatique (INRIA), Valbonne, France, Allan Gottlieb New York University, New York, NY, USA, Kai Hwang University of Southern California (USC), Los Angeles, CA, USA, Yale Patt University of Texas, Austin, TX, USA, Sartaj Sahni University of Florida, Gainesville, FL, USA, Burton Smith Microsoft Research, Redmond, WA, USA, Associate Editors: D.P. Agrawal University of Cincinnati, Cincinnati, OH, USA, I. Ahmad University of Texas at Arlington, Arlington, TX, USA, S. Aluru Iowa State University, Ames, IA, USA, A. Benoit École Normale Supérieure de Lyon, Lyon, France, A. Bilas Foundation for Research & Technology - FORTH, Heraklion, Crete, Greece, A. Boukerche University of Ottawa, Ottawa, ON, Canada, M. Cintra University of Edinburgh, Edinburgh, UK, S.K. Das University of Texas at Arlington, Arlington, TX, USA, E. Dekel IBM Research Haifa Laboratory, Haifa, Israel, J.J. Dongarra University of Tennessee, Knoxville TN, USA, Z. Du Tsinghua University, Beijing, China, M. Dubois University of Southern California (USC), Los Angeles, CA, USA, S. Dwarkadas University of Rochester, Rochester, NY, USA, P. Felber Université de Neuchâtel, Neuchâtel, Switzerland, A. Ferreira Institut National de Recherche en Informatique et en Automatique (INRIA), Valbonne, France, O. Ghattas Carnegie Mellon University, Pittsburgh, PA, USA, A. Grama Purdue University, West Lafayette, IN, USA, M. Heroux Sandia National Laboratories, Albuquerque, NM, USA, S.S. Iyengar Louisiana State University, Baton Rouge, LA, USA, J.F. Jájá University of Maryland, College Park, MD, USA, D. Kaeli Northeastern University, Boston, MA, USA, V. Karamcheti New York University, New York, NY, USA, T. Kielmann Vrije Universiteit Amsterdam, Amsterdam, Netherlands, V. Kumar University of Minnesota, Minneapolis, USA, R.Y-K. Kwok University of Hong Kong, Hong Kong, China, K. Li State University of New York (SUNY) at New Paltz, New Paltz, NY, USA, C. Lin Tsinghua University, Beijing, China, L. Liu Georgia Institute of Technology, Atlanta, GA, USA, A. Moshovos University of Toronto, Toronto, ON, Canada, S. Olariu Old Dominion University, Norfolk, VA, USA, D.A. Padua University of Illinois at Urbana-Champaign, Urbana, IL, USA, M.A. Palis Rutgers, The State University of New Jersey, Piscataway, NJ, USA, Y. Pan Georgia State University, Atlanta, GA, USA, D.K. Panda Ohio State University, Columbus, OH, USA, M. Parashar Rutgers, The State University of New Jersey, Piscataway, NJ, USA, S Parthasarathy Ohio State University, Columbus, OH, USA, J.-K. Peir University of Florida, Gainesville, FL, USA, P. Raghaven Pennsylvania State University, University Park, PA, USA, C.S. Raghavendra University of Southern California (USC), Los Angeles, CA, USA, S. Rajasekaran University of Connecticut, Storrs, CT, USA, A. Rau-Chaplin Dalhousie University, Halifax, NS, Canada, M. Raynal Institut National de Recherche en Informatique et en Automatique (INRIA), Rennes Cedex, France, A. Schuster Technion - Israel Institute of Technology, Haifa, Israel, B. Sinha Indian Statistical Institute, Calcutta, India, P.G. Spirakis Computer Technology Institute, Patras, Greece, X.H. Sun Illinois Institute of Technology, Chicago, IL, USA, A. Sussman University of Maryland, College Park, MD, USA, M. Taufer University of Delaware, Newark, DE, USA, D. Trystram Grenoble Institute of Technology, Montbonnot St Martin, France, C.C. Weems, Jr. University of Massachusetts, Amherst, MA, USA, P. Widmayer Eidgenössische Technische Hochschule (ETH) Zürich, Zürich, Switzerland, J. Wu Temple University, Philadelphia, PA, USA, C.-Z. Xu Wayne State University (WSU), Detroit, MI, USA, Y.K. Yang State University of New York (SUNY) at Stony Brook, Stony Brook, NY, USA, X. Zhang Ohio State University, Columbus,