PDCS 2011 Dallas, Texas December 2011 The PDCS'11 conference was again a complete success. Our conference continues to be a truly international conference. We had a significant number of papers from Asia and Europe as well as from the US and other parts of the globe. In addition to a strong technical program, we had two excellent Keynote Presentation. * Professor Hamid R. Arabnia from the University of Georgia presented his Keynote Address entitled A Reconfigurable Communication Topology He discussed how recongigurable communication technologies speed up communications and gave an excellent presentation about how parallel computing has been changing during the past decade. * Professor Si Qing Zheng from the University of Texas at Dallas presented his Keynote Address entitled Optimal and Near Optimal Non-Blocking Multicast Switching Networks He discussed the new technique he introduced to solve a multicast problem defined over switching networks formulated more than three decades ago. He showed that his techniques can be used to solve related problems. * The Tutorial entitled "Grid Database Management: The GRelC Middleware and its Applications in the Environmental Context," by Br. Sandro Fiore. He is Principal Investigator of the Grid Relational Catalog Project and member of the scientific computing and operations division at the Euro-Mediterranean Center for Climate Change (CMCC). Awards Ceremony * The Best Reviewer Award was given to Professor Erik D'Hollander from the University of Ghent in Belgium. He has been an outstanding reviewer for PDCS for over a decade. His reviews are always timely and thoughtful. This is the first reviewer award ever given at PDCS and we will continue with this type of awards. * Best Paper Awards There were 107 papers submitted and 64 papers were part of the PDCS final program. The papers were partitioned into 10 different technical sessions. About 20% of the papers were nominated (by the reviewers) for the Best Paper Awards, and about 20% of the papers were awarded the Best Paper Awards. The awards were announced during the Banquet. The four papers that received this award were: * Best Paper Award in the Area of Security: Designing a Secure Epidemic based Update Protocol for P2P Systems, by Manghui Tu, Dianxiang Xu, Zhonghang Xia, and Logan Smith. Affiliation: Dakota State University, Western Kentucky University and Northern Kentucky University. * Best Paper Award in the Area of Thread Parallelism: Dynamic Selection of Speculative Paths in Two-Path Limited Speculation Method, by Hiroyoshi Jutori, Kanemitsu Ootsu, Takashi Yokota, and Takanobu Baba. Affiliation: Utsunomiya University (Japan). * Best Paper Award in the Area of Computer Architecture: Directoryless Shared Memory Coherence using Execution Migration, by Mieszko Lis, Keun Sup Shim, Myong Hyon Cho, Omer Khan and Srinivas Devadas. Affiliation: Massachusetts Institute of Technology * Best Paper Award in the Area of Algorithms and Concurrency: A Concurrent Red Black Tree, by Juan Besa and Yadran Eterovic, Affiliation: Pontificia Universidad Catolica de Chile. We have started the initial preparation for the 24th IASTED International Conference on Parallel and Distributed Computing and Systems (PDCS'12) and we are considering several alternatives to enhance our technical program. You will all receive further announcements in the near future and we hope we can count again with your support. Thank you very much for all your support and your efforts to make PDCS'11 a very successful conference, and we hope to see you all at the PDCS'12 Conference. Please keep in mind the possibility of organizing special sessions, and feel free to contact IASTED (calgary@IASTED.com) and/or me (teo@cs.ucsb.edu) with any comments and suggestions about possible improvements to the conference. Organizing Committee Conference Chair: Prof. Teofilo Gonzalez - University of California - Santa Barbara, USA Special Sessions Chair: Dr. Drissa Houatra - Orange Labs, France ----