PÅL HALVORSEN's publications ©

• "A Comparison of Quality Scheduling in Commercial Adaptive HTTP Streaming Solutions on a 3G Network"
  Haakon Riiser, Håkon S. Bergsaker, Paul Vigmostad, Carsten Griwodz, Pål Halvorsen
  Proceeding of the ACM Workshop on Mobile Video, Chapel Hill, NC, USA, February 2012, pp. 25-30
  [pdf]

• "Network Traffic from Anarchy Online: Analysis, Statistics and Applications" (dataset)
  Andreas Petlund, Pål Halvorsen, Pål Frogner Hansen, Torbjörn Lindgren, Rui Casais, Carsten Griwodz
  Proceeding of the ACM Multimedia Systems Conference (MMSys), Chapel Hill, NC, USA, February 2012, pp. 95-100
  [pdf] [dataset]

2011

• "Video Streaming Using a Location-based Bandwidth-Lookup Service for Bitrate Planning"
  Haakon Riiser, Tore Endestad, Paul Vigmostad, Carsten Griwodz, Pål Halvorsen
  TO APPEAR IN ACM Transactions on Multimedia Computing, Communications and Applications (TOMCCAP), accepeted for publication February 2011
  [pdf]

• "Using bandwidth aggregation to improve the performance of quality-adaptive streaming"
  Kristian Evensen, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen, Audun F. Hansen, Paal Engelstad
  TO APPEAR IN Elsevier Signal Processing: Image Communication, 2011
  [pdf (online November 2011)] [DOI: 10.1016/j.image.2011.10.007]

• "Search-based composition, streaming and playback of video archive content"
  Dag Johansen, Pål Halvorsen, Håvard Johansen, Haakon Riiser, Cathal Gurrin, Bjørn Olstad, Carsten Griwodz, Åge Kvalnes, Joseph Hurley, Tomas Kupka
  TO APPEAR IN Multimedia Tools and Applications
  [pdf (online July 2011)] [DOI: 10.1007/s11042-011-0847-5]

• "Improved Multi-Rate Video Encoding"
  Dag Haavi Finstad, Håkon K. Stensland, Håvard Espeland, Pål Halvorsen
  Proceedings of the IEEE International Symposium on Multimedia (ISM), Dana Point, CA, USA December 2011, pp. 293-300
  [pdf] [DOI: 10.1109/ISM.2011.53]

• "Flicker Effects in Adaptive Video Streaming to Handheld Devices"
  Pengpeng Ni, Ragnhild Eg, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Multimedia Conference (ACM MM), Scottsdale, AZ, USA, November/December 2011, pp. 463-472
  [pdf] [ACM Author-Izer]

• "Processing of Multimedia Data using the P2G Framework" (demo)
  Paul B. Beskow, Håkon K. Stensland, Håvard Espeland, Espen A. Kristiansen, Preben N. Olsen, Ståle Kristoffersen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Multimedia Conference (ACM MM), Scottsdale, AZ, USA, November/December 2011, pp. 819-820
  [pdf] [ACM Author-Izer]

• "A Demonstration Of a Lockless, Relaxed Atomicity State Parallel Game Server (LEARS)" (demo)
  Kjetil Raaen, Håvard Espeland, Håkon Kvale Stensland, Andreas Petlund, Pål Halvorsen, Carsten Griwodz
  Proceedings of the Workshop on Network and Systems Support for Games (NetGames), Ottawa, Canada, October 2011
  [pdf]

• "An Evaluation of Live Adaptive HTTP Segment Streaming Request Strategies"
  Tomas Kupka, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE Conference on Local Computer Networks (LCN), Bonn, Germany, October 2011, pp. 608-616
  [pdf]

• "Spatial Flicker Effect in Video Scaling"
  Pengpeng Ni, Ragnhild Eg, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
  Proceedings of the International Workshop on Quality of Multimedia Experience (QoMEX), Mechelen, Belgium, September 2011, pp. 55-60
  [pdf] [DOI: 10.1109/QoMEX.2011.6065712]

• "Bitrate and video quality planning for mobile streaming scenarios using a GPS-based bandwidth lookup service"
  Haakon Riiser, Paul Vigmostad, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE International Conference on Multimedia and Expo (ICME), Barcelona, Spain, July 2011
  [pdf] [DOI: 10.1109/ICME.2011.6012045]

• "P2G: A Framework for Distributed Real-Time Processing of Multimedia Data"
  Håvard Espeland, Paul B. Beskow, Håkon K. Stensland, Preben N. Olsen, Ståle Kristoffersen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the International Conference on Parallel Processing (ICPP) Workshops - the International Workshop on Scheduling and Resource Management for Parallel and Distributed Systems (SRMPDS), Taipei, Taiwan, September 2011, pp. 416-426
  [pdf]

• "Demo: Quality-Adaptive Video Streaming With Dynamic Bandwidth Aggregation on Roaming, Multi-Homed Clients" (demo)
  Kristian Evensen, Andreas Petlund, Haakon Riiser, Paul Vigmostad, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Conference on Mobile Systems, Applications and Services (MobiSys), Washington, DC, USA, June/July 2011, pp. 355-356
  [pdf]

• "Using Multiple Links to Increase the Performance of Bandwidth-Intensive UDP-Based Applications"
  Kristian Evensen, Dominik Kaspar, Audun F. Hansen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE Symposium on Computers and Communications (ISCC), Corfu, Greece, June/July 2011, pp. 1117-1122
  [pdf]

• "Mobile Video Streaming Using Location-Based Network Prediction and Transparent Handover"
  Kristian Evensen, Andreas Petlund, Haakon Riiser, Paul Vigmostad, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen
  Proceedings of the International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Vancouver, British Columbia, Canada, June 2011, pp. 21-26
  [pdf]

• "Distributed Real-Time Processing of Multimedia Data with the P2G Framework" (poster)
  Paul B. Beskow, Håvard Espeland, Håkon K. Stensland, Preben N. Olsen, Ståle Kristoffersen, Espen A. Kristiansen, Carsten Griwodz, Pål Halvorsen
  Web-site of EuroSys 2011 Conference, Salzburg, Austria, April 2011
  [web-site]

• "Improving the Performance of Quality-Adaptive Video Streaming over Multiple Heterogeneous Access Networks"
  Kristian Evensen, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen, Audun F. Hansen, Paal E. Engelstad
  Proceedings of the ACM Multimedia Systems (MMSys), San Jose, CA, USA, February 2011, pp. 57-68
  [pdf]

2010

• "The Nornir run-time system for parallel programs using Kahn process networks on multi-core machines - A flexible alternative to MapReduce"
  Zeljko Vrba, Pål Halvorsen, Carsten Griwodz, Paul Beskow, Håvard Espeland, Dag Johansen
  The Journal of Supercomputing, (so far, only online)
  [DOI: 10.1007/s11227-010-0503-2]

• "Maximizing video quality for several unicast streams in a multipath overlay network"
  Svetlana Boudko, Wolfgang Leister, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE International Conference on Internet Multimedia Systems Architecture and Application (IMSAA), Bangalore, India, December 2010
  

• "Reducing game latency by migration, core-selection and TCP modifications"
  Paul B Beskow, Andreas Petlund, Geir A. Erikstad, Carsten Griwodz, Pål Halvorsen
  The International Journal of Advanced Media and Communication, Vol. 4, No. 4, November 2010, p 343 - 363
  [DOI: 10.1504/IJAMC.2010.036835]

• "Support for enterprise consolidation of I/O bound services"
  Åge Kvalnes, Dag Johansen, Carsten Griwodz, Pål Halvorsen
  Software: Practice and Experience Journal, Vol. 40, Issue 12, November/December 2010, pp. 1035 - 1051
  [DOI: 10.1002/spe.990]

• "Cheat Detection Processing: A GPU versus CPU Comparison"
  Håkon Kvale Stensland, Martin Myrseth, Carsten Griwodz, Pål Halvorsen
  Proceedings of the workshop on network and systems support for games (NetGames), Taipei, Taiwan, November 2010, pp. 8:1 - 8:6
  [pdf]

• "Web Services Discovery across Heterogeneous Military Networks"
  Frank T. Johnsen, Trude Hafsøe, Anders Eggen, Carsten Griwodz, Pål Halvorsen
  IEEE Communications Magazine, Vol. 48, No. 10, October 2010, pp. 84 - 90
  [DOI: 10.1109/MCOM.2010.5594681]

• "Pull-Patching: A Combination of Multicast and Adaptive Segmented HTTP Streaming" (short)
  Espen Jacobsen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Multimedia Conference (ACM MM), Florence, Italy, October 2010, pp. 799 - 802
  [pdf]

• "vESP: Enriching Enterprise Document Search Results with Aligned Video Summarization" (demo)
  Pål Halvorsen, Dag Johansen, Bjørn Olstad, Tomas Kupka, Sverre Tennøe
  Proceedings of the ACM International Multimedia Conference (ACM MM), Florence, Italy, October 2010, pp. 1603 - 1604
  [pdf]

• "vESP: A Video-Enabled Enterprise Search Platform"
  Pål Halvorsen, Dag Johansen, Bjørn Olstad, Tomas Kupka, Sverre Tennøe
  Proceedings of the International Conference on Data and Knowledge Engineering (ICDKE), Melbourne, Australia, September 2010, pp. 534-541
  [pdf]

• "Composing Personalized Video Playouts Using Search"
  Dag Johansen, Håvard Johansen, Pål Halvorsen, Bjørn Olstad, Cathal Gurrin, Carsten Griwodz
  Proceedings of the International Workshop on Visual Content Identification and Search (VCIDS), Singapore, July 2010, pp. 1534 - 1539
  [pdf] [DOI: 10.1109/ICME.2010.5583236]

• "Frequent Layer Switching for Perceived Quality Improvements of Coarse-Grained Scalable Video"
  Pengpeng Ni, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
  Springer Multimedia Systems Journal, Vol. 16, No. 3, June 2010, pp. 171 - 182
  [DOI: 10.1007/s00530-010-0186-9]

• "Quality-Adaptive Scheduling for Live Streaming over Multiple Access Networks"
  Kristian Evensen, Tomas Kupka, Dominik Kaspar, Pål Halvorsen, Carsten Griwodz
  Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Amsterdam, The Netherlands, June 2010, pp. 21 - 26
  [pdf]

• "Tips, Tricks and Troubles: Optimizing for Cell and GPU"
  Håkon Kvale Stensland, Håvard Espeland, Carsten Griwodz, Pål Halvorsen
  Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Amsterdam, The Netherlands, June 2010, pp. 75 - 80
  [pdf]

• "Temming av multikjerneprosessorer - Fordeler og utfordringer" (invited abstract, in Norwegian)
  Håkon Kvale Stensland, Håvard Espeland, Carsten Griwodz, Pål Halvorsen
  The Gathering World & Pegasus, April 2010, p. 50

• "Latency Can Kill - Defeat The Lag!" (invited abstract, in Norwegian)
  Andreas Petlund, Pål Halvorsen, Carsten Griwodz
  The Gathering World & Pegasus, April 2010, p. 43
  

• "Low Overhead Container Format for Adaptive Streaming"
  Haakon Riiser, Pål Halvorsen, Carsten Griwodz, Dag Johansen
  Proceedings of the ACM Multimedia Systems (MMSys), Scottsdale, AZ USA, February 2010, pp. 193 - 198
  [pdf]

• "Program obfuscation by strong cryptography"
  Zeljko Vrba, Pål Halvorsen, Carsten Griwodz
  Proceedings of the International Conference on Availability, Reliability and Security (ARES), Krakow, Poland, February 2010, pp. 242 - 247
  [pdf]

• "A simple improvement of the work-stealing scheduling algorithm"
  Zeljko Vrba, Pål Halvorsen, Carsten Griwodz
  Proceedings of the International Conference on Complex, Intelligent and Software Intensive Systems (CISIS) - International Workshop on Multi-Core Computing Systems (MuCoCoS), Krakow, Poland, February 2010, 925 - 930
  [pdf]

• "Enhancing Video-on-Demand Playout over Multiple Heterogeneous Access Networks"
  Dominik Kaspar, Kristian R. Evensen, Paal E. Engelstad, Audun Fosslie Hansen, Pål Halvorsen, Carsten Griwodz
  Proceedings of the IEEE Consumer Communications and Networking Conference (CCNC), Las Vegas, NV, USA, January 2010, pp. 47 - 51
  [pdf]

• "RELAY - On the Performance and Resource Utilisation of Time-Dependent Large-Scale Distributed Systems" (book chapter)
  Carsten Griwodz, Pål Halvorsen
  In "Simula Research Laboratory - by Thinking Constantly about it", Aslak Tveito; Are Magnus Bruaset; Olav Lysne (eds.), Springer-Verlag, ISBN 978-3-642-01155-9, 2010, pp. 199 - 235
  

2009

• "Improving File Tree Traversal Performance by Scheduling I/O Operations in User Space"
  Carl Henrik Lunde, Håvard Espeland, Håkon K Stensland, Pål Halvorsen
  Proceedings of the IEEE International Performance Computing and Communications Conference (IPCCC), Phoenix, AZ, USA, December 2009, pp. 145 - 152
  

• "Evaluating Ginnungagap: a middleware for migration of partial game-state utilizing core-selection for latency reduction"
  Paul Beskow, Geir Erikstad, Pål Halvorsen, Carsten Griwodz
  Proceedings of the workshop on Network and System Support for Games (NetGames), Paris, France, November 2009
  

• "Improving SCTP Retransmission Delays for Time-Dependent Thin Streams"
  Andreas Petlund, Paul Beskow, Jon Pedersen, Espen S. Paaby, Carsten Griwodz, Pål Halvorsen
  Springer Multimedia Tools and Applications (MTAP), Vol. 45, Numbers 1-3, October 2009, pp 33 - 60
  [pdf]

• "The Partial Migration of Game State and Dynamic Server Selection to Reduce Latency"
  Paul Beskow, Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
  Springer Multimedia Tools and Applications (MTAP), Vol. 45, Numbers 1-3, October 2009, pp 83 - 107
  [pdf]

• "Improving disk I/O performance on Linux"
  Carl Henrik Lunde, Håvard Espeland, Håkon K Stensland, Pål Halvorsen
  UpTimes - Magazine of the German Unix User Group (Proceedings of Linux Kongress and OpenSolaris Developer Conference, Dresden, Germany, October 2009), No. 2, October 2009, pp. 61 - 70
  

• "DAVVI: A Prototype for the Next Generation Multimedia Entertainment Platform" (demo)
  Dag Johansen, Håvard Johansen, Tjalve Aarflot, Joseph Hurley, Åge Kvalnes, Cathal Gurrin, Sorin Sav, Bjørn Olstad, Erik Aaberg, Tore Endestad, Haakon Riiser, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Multimedia Conference (ACM MM), Beijing, China, October 2009, pp. 989 - 990
  [pdf]

• "Video streaming into Virtual Worlds - the effects of virtual screen distance and angle on perceived quality" (poster)
  Pengpeng Ni, Fredrik Gaarder, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Multimedia Conference (ACM MM), Beijing, China, October 2009, pp. 885 - 888
  [pdf]

• "The Nornir run-time system for parallel programs using Kahn process networks" - Best student paper award
  Zeljko Vrba, Pål Halvorsen, Carsten Griwodz, Paul Beskow, Dag Johansen
  Proceedings of the IFIP International Conference on Network and Parallel Computing (NPC), Gold Coast, Australia, October 2009, pp. 1 - 8
  [pdf]

• "Network-Layer Proxy for Bandwidth Aggregation and Reduction of IP Packet Reordering"
  Kristian R. Evensen, Dominik Kaspar, Paal E. Engelstad, Audun Fosslie Hansen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE Conference on Local Computer Networks (LCN), Zurich, Switzerland, October 2009
  [pdf]

• "Video Streaming: History, Current Trends and Future Visions" (keynote abstract)
  Pål Halvorsen
  Proceedings of the World Academy of Science, Engineering and Technology (WASET), Vol. 55, Oslo, Norway, July 2009
  [pdf]

• "An Analysis of the Heterogeneity and IP Packet Reordering over Multiple Wireless Networks"
  Dominik Kaspar, Kristian R. Evensen, Audun Fosslie Hansen, Paal E. Engelstad, Pål Halvorsen, Carsten Griwodz
  Proceedings of the IEEE Symposium on Computers and Communications (ISCC), Sousse, Tunisia, July 2009, pp 637 - 642
  [pdf]

• "Kahn process networks are a flexible alternative to MapReduce"
  Zeljko Vrba, Paul Beskow, Pål Halvorsen, Carsten Griwodz
  Proceedings of the IEEE International Conference on High Performance Computing and Communications (HPCC), Seoul, Korea, June 2009, pp. 154 - 162
  [pdf]

• "Fine-Grained Scalable Streaming from Coarse-Grained Videos"
  Pengpeng Ni, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
  Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Williamsburg, VA, USA, June 2009, pp. 103 - 108
  [pdf]

• "Limits of work-stealing scheduling"
  Zeljko Vrba, Håvard Espeland, Pål Halvorsen, Carsten Griwodz
  Proceedings of Workshops on Job Scheduling Strategies for Parallel Processing (JSSPP), Rome, Italy, May 2009, pp. 280 - 299
  [pdf]

• "Evaluating the run-time performance of Kahn process network implementation techniques on shared-memory multiprocessors"
  Zeljko Vrba, Pål Halvorsen, Carsten Griwodz
  Proceedings of the International Workshop on Multi-Core Computing Systems (MuCoCoS), Fukuoka, Japan, March 2009, pp. 639 - 644
  [pdf]

• "On the Influence of Latency Estimation on Dynamic Group Communication using Overlays"
  Knut-Helge Vik, Pål Halvorsen, Carsten Griwodz
  Proceedings of the Multimedia Computing and Networking (MMCN), San Jose, CA, USA, January 2009
  [pdf]

2008

• "An Architecture for Adaptive Multimedia Streaming to Mobile Nodes"
  Wolfgang Leister, Tiia Sutinen, Svetlana Boudko, Ian Marsh, Carsten Griwodz, Pål Halvorsen
  Proceedings of the International Conference on Advances in Mobile Computing & Multimedia (MoMM), Linz, Austria, November 2008, pp. 313 - 316
  

• "Improving application layer latency for reliable thin-stream game traffic"
  Andreas Petlund, Kristian Evensen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the workshop on Network and System Support for Games (NetGames), Worcester, MA, USA, October 2008, pp. 91 - 96
  [pdf]

• "Latency Reduction by Dynamic Core Selection and Partial Migration of Game State"
  Paul B. Beskow, Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
  Proceedings of the workshop on Network and System Support for Games (NetGames), Worcester, MA, USA, October 2008, pp. 79 - 84
  [pdf]

• "TCP mechanisms for improving the user experience for time-dependent thin-stream applications"
  Andreas Petlund, Kristian Evensen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE Conference on Local Computer Networks (LCN), Montreal, Canada, October 2008, pp. 176 - 183
  [pdf]

• "Constructing Low-Latency Overlay Networks: Tree vs. Mesh Algorithms"
  Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE Conference on Local Computer Networks (LCN), Montreal, Canada, October 2008, pp. 36 - 43
  [pdf]

• "Latency reducing TCP modifications for thin-stream interactive applications"
  Andreas Petlund, Kristian Evensen, Carsten Griwodz, Pål Halvorsen
  UpTimes - Magazine of the German Unix User Group (Proceedings of Linux Kongress, Hamburg, Germany, October 2008), No. 2, October 2008, pp. 150 - 154
  [pdf]

• "Evaluating Steiner tree heuristics and diameter variations for Application Layer Multicast"
  Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
  Elsevier Computer Networks, Vol. 52, No. 15, October 2008, pp. 2872 - 2893
  

• "Performance Measurements and Evaluation of Video Streaming in HSDPA Networks With 16QAM Modulation"
  Haakon Riiser, Carsten Griwodz, Pål Halvorsen, Bjørn Hestnes
  Proceedings of the IEEE International Conference on Multimedia & Expo (ICME), Hannover, Germany, June 2008, pp. 489 - 492
  [pdf]

• "A Benchmarking System for Multipath Overlay Multimedia Streaming"
  Svetlana Boudko, Wolfgang Leister, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE International Conference on Multimedia & Expo (ICME), Hannover, Germany, June 2008, pp. 853 - 856
  [pdf]

• "Evaluation of Multi-Core Scheduling Mechanisms for Heterogeneous Processing Architectures"
  Håkon K. Stensland, Carsten Griwodz, Pål Halvorsen
  Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Braunschweig, Germany, May 2008, pp. 33 - 38
  [pdf]

• "Transparent Protocol Translation and Load Balancing on a Network Processor in a Media Streaming Scenario" (demo)
  Håvard Espeland, Carl Henrik Lunde, Håkon K. Stensland, Carsten Griwodz, Pål Halvorsen
  Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Braunschweig, Germany, May 2008, pp. 129 - 130
  [pdf]

• "TCP Enhancements for Interactive Thin Stream Applications" (demo)
  Andreas Petlund, Kristian R. Evensen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Braunschweig, Germany, May 2008, pp. 127 - 128
  [pdf]

• "Redundant Bundling in TCP to Reduce Perceived Latency for Time-Dependent Thin Streams"
  Kristian R. Evensen, Andreas Petlund, Carsten Griwodz, Pål Halvorsen
  IEEE Communications Letters, Vol. 12, No. 4, April 2008, pp. 334 - 336
  [pdf]

• "Multicast tree diameter for dynamic distributed interactive applications"
  Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE International Conference on Computer Communications (INFOCOM), Phoenix, Arizona, USA, April 2008, pp. 1597 - 1605
  [pdf]

2007

• "Implementation and Evaluation of Late Data Choice for TCP in Linux"
  Erlend Birkedal, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE International Symposium on Multimedia 2007 (ISM), Taichung, Taiwan, December 2007, pp. 221 - 228
  [pdf]

• "Dynamic Group Membership Management for Distributed Interactive Applications"
  Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE Conference on Local Computer Networks (LCN), Dublin, Ireland, October 2007, pp. 141 - 148
  [pdf]

• "Assessment of Linux' Data Path Components for Download and Streaming"
  Pål Halvorsen, Tom Anders Dalseng, Carsten Griwodz
  The International Journal of Software Engineering and Knowledge Engineering (IJSEKE), Vol. 17, No. 4, August 2007, pp. 465 - 481
  [pdf]

• "Transparent Protocol Translation for Streaming" (short paper)
  Håvard Espeland, Carl Henrik Lunde, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Multimedia Conference (ACM MM), Augsburg, Germany, September 2007, pp. 771 - 774
  [pdf]

• "Latency Evaluation of Networking Mechanisms for Game Traffic"
  Szabolcs Harcsik, Andreas Petlund, Carsten Griwodz, Pål Halvorsen
  Proceedings of the workshop on Network and System Support for Games (NetGames), Melbourne, Australia, September 2007, pp. 129 - 134
  [pdf]

• "Latency Reduction in Massively Multi-player Online Games by Partial Migration of Game State"
  Paul B. Beskow, Carsten Griwodz, Pål Halvorsen
  Proceedings of the International Conferences on Internet Technologies and Applications (ITA), Wrexham, Wales, UK, September 2007, pp. 153 - 163
  [pdf]

• "Workload Characterization for News-on-Demand Streaming Services"
  Frank T. Johnsen, Trude Hafsøe, Carsten Griwodz, Pål Halvorsen
  Proceedings of the International Performance Computing and Communications Conference (IPCCC), New Orleans, LO, USA, April 2007, pp. 314 - 323
  [pdf]

2006

• "Applicability of Group Communication for Increased Scalability in MMOGs"
  Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
  Proceedings of the workshop on Network and System Support for Games (NetGames), Singapore, October 2006
  [pdf]

• "Consistency requirements in Multiplayer Online Games" (poster)
  Wladimir Palant, Carsten Griwodz, Pål Halvorsen
  Proceedings of the workshop on Network and System Support for Games (NetGames), Singapore, October 2006
  

• "GLS: Simulator for Online Multi-Player Games" (demo)
  Wladimir Palant, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM international conference on Multimedia (ACM MM), Santa Barbara, CA, USA 2006, pp. 805 - 806
  

• "Considerations for SCTP Retransmission Delays for Thin Streams" - Best paper award
  Jon Pedersen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the IEEE Conference on Local Computer Networks (LCN), Tampa, FL, USA, November 2006, pp. 135 - 142
  [pdf, ppt]

• "Translating latency requirements into resource requirements for game traffic"
  Chris Majewski, Carsten Griwodz, Pål Halvorsen
  Proceedings of the International Network Conference (INC), Plymouth, UK, July 2006, pp. 113 - 120
  [pdf]

• "Programmable Subsystems: A Traffic Shaping and Packet Prioritizing Case Study"
  Pål Halvorsen, Øystein Yri Sunde, Andreas Petlund, Carsten Griwodz
  Proceedings of the International Network Conference (INC), Plymouth, UK, July 2006, pp. 97 - 104
  [pdf]

• "Evaluating dead reckoning variations with a multi-player game simulator"
  Wladimir Palant, Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Newport, Rhode Island, USA, May 2006, pp. 20 - 25
  [pdf]

• "The Fun of using TCP for an MMORPG" - Best paper award
  Carsten Griwodz, Pål Halvorsen
  Proceedings of the ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Newport, Rhode Island, USA, May 2006, pp. 1 - 7
  [pdf]

• "Caching of Interactive Multiple Choice MPEG-4 Presentations"
  Carsten Griwodz, Frank T. Johnsen, Simen Rekkedal, Pål Halvorsen
  Proceedings of the 25th IEEE International Performance Computing and Communications Conference (IPCCC) - 2nd International Workshop on Multimedia Systems and Networking (WMSN), Phoenix, AZ, USA, April 2006, pp. 659 - 666
  [pdf, ppt]

• "Multicast Tree Reconfiguration in Distributed Interactive Applications"
  Carsten Griwodz, Knut-Helge Vik, Pål Halvorsen
  Proceedings of the IEEE Consumer Communications and Networking Conference (CCNC), Volume 2: The International Workshop on Networking Issues in Multimedia Entertainment (NIME), Las Vegas, NV, USA, Januar 2006, pp. 1219 - 1223
  [pdf]

2005

• "Assessment of Data Path Implementations for Download and Streaming"
  Pål Halvorsen, Tom Anders Dalseng, Carsten Griwodz
  Proceedings of the 11th International Conference on Distributed Multimedia Systems (DMS), Banff, Canada, September 2005, pp. 228 - 233
  [pdf, presentation (ppt)]

• "QoS-aware Mobile Middleware for Video Streaming"
  Sten L. Amundsen, Ketil Lund, Carsten Griwodz, Pål Halvorsen
  Proceedings of the 31th Euromicro Conference on Software Engineering and Advanced Applications (SEAA) - Component-Based Software Engineering track (CBSE), Porto, Portugal, August/September 2005, pp. 54 - 61
  [pdf]

• "Offloading Multimedia Proxies using Network Processors"
  Øyvind Hvamstad, Carsten Griwodz, Pål Halvorsen
  Proceedings of the International Network Conference (INC), Samos Island, Greece, July 2005, pp. 113 - 120
  [pdf]

2004

• "Translating Scalable Video Streams from Wide-Area to Access Networks"
  Carsten Griwodz, Steffen Fiksdal, Pål Halvorsen
  Campus-Wide Information Systems, Vol. 21, No. 5, December 2004, pp. 205-210
  [pdf]

• "Structured Partially Caching Proxies for Mixed Media"
  Frank T. Johnsen, Carsten Griwodz, Pål Halvorsen
  Proceedings of the 9th International Workshop on Web Content Caching and Distribution (WCW), Beijing, China, October 2004, pp. 144 - 153
  [pdf]

• "Middleware Services for Information Sharing in Mobile Ad-hoc Networks"
  Thomas Plagemann, Jon Andersson, Ovidiu Drugan, Vera Goebel, Carsten Griwodz, Pål Halvorsen, Ellen Munthe-Kaas, Matija Puzar, Norun Sanderson, Katrine Stemland Skjelsvik
  IFIP World Computer Congress (WCC), Workshop on Challenges of Mobility, Toulouse, France, August 2004
  [pdf]

• "Translating Scalable Video Streams from Wide-Area to Access Networks"
  Carsten Griwodz, Steffen Fiksdal, Pål Halvorsen
  Proceedings of the International Network Conference (INC), Plymouth, UK, July 2004, pp. 102-110
  [pdf]

• "Storage System Support for Continuous-Media Applications, Part 2: Multiple Disks, Memory, and Integration"
  Pål Halvorsen, Carsten Griwodz, Vera Goebel, Ketil Lund, Thomas Plagemann, Jonathan Walpole
  IEEE Distributed Systems Online (DSonline), Special Issue On Data Management, I/O Techniques, and Storage Systems for Large-Scale Data Intensive Applications, Vol. 5, No. 2, February 2004
  [pdf, DSonline vol. 5, no. 2]

• "Storage System Support for Continuous-Media Applications, Part 1: Requirements and Single-Disk Issues"
  Pål Halvorsen, Carsten Griwodz, Vera Goebel, Ketil Lund, Thomas Plagemann, Jonathan Walpole
  IEEE Distributed Systems Online (DSonline), Special Issue On Data Management, I/O Techniques, and Storage Systems for Large-Scale Data Intensive Applications, Vol. 5, No. 1, January 2004
  [pdf, DSonline vol. 5, no. 1]

2003

• "Improving the I/O performance of intermediate multimedia storage nodes"
  Pål Halvorsen, Thomas Plagemann, Vera Goebel
  ACM/Springer Multimedia Systems, Vol 9, No. 1, July 2003, pp. 56 - 67
  [pdf, see also PhD information]

• "Towards Scalable and Affordable Content Distribution Services"
  Thomas Plagemann, Vera Goebel, Carsten Griwodz, Pål Halvorsen, Laurent Mathy, Nicholas Race, Michael Zink
  Proceedings of the 7th IEEE International Conference on Telecommunications (ConTEL), Zagreb, Croatia, June 2003, pp. 307 - 313
  [pdf]

• "A Testbed for Advanced Content Distribution Experiments" (poster)
  Vera Goebel, Carsten Griwodz, Trude Hafsøe, Pål Halvorsen, Frank T. Johnsen, Thomas Plagemann, Karl-Andre Skevik, Ole Jørgen Tetlie
  Proceedings of the Conference on Telefommunications (conftele), Aveiro, Portugal, June 2003

• "Towards Middleware Services for Ad-Hoc Network Applications"
  Thomas Plagemann, Vera Goebel, Carsten Griwodz, Pål Halvorsen
  Proceedings of the 9th IEEE Workshop on Future Trends of Distributed Computing Systems, San Juan, Puerto Rico, May 2003, pp. 249 - 257
  [pdf]

2002

• "Performance Tradeoffs for Static Allocation of Zero-Copy Buffers"
  Pål Halvorsen, Espen Jorde, Karl-Andre Skevik, Thomas Plagemann, Vera Goebel,
  Proceedings of the 28th Euromicro Conference - Multimedia and Telecommunications Track (MTT), Dortmund, Germany, September 2002, pp. 138 - 143
  [pdf, presentation (ppt)]

• "How to Minimize Transport Protocol Processing: Implementation and Evaluation of Network Level Framing"
  Pål Halvorsen, Thomas Plagemann, Vera Goebel
  Proceedings of the 22nd International Conference on Distributed Computing Systems Workshops (ICDCS) - 4th International Workshop on Multimedia Network Systems and Applications (MNSA), Vienna, Austria, July 2002, pp. 149 - 155
  [pdf, ps, presentation (ppt)]

2001

• "Evaluation of a Zero-Copy Protocol Implementation"
  Karl-Andre Skevik, Thomas Plagemann, Vera Goebel, Pål Halvorsen
  Proceedings of the 27th Euromicro Conference - Multimedia and Telecommunications Track (MTT), Warsaw, Poland, September 2001
  [pdf, ps.gz]

• "Integrated Error Management for Media-on-Demand Services"
  Pål Halvorsen, Thomas Plagemann, Vera Goebel
  Proceedings of the 20th Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM), Anchorage, AK, USA, April 2001, pp. 621 - 630
  [pdf, ps.gz, presentation (ppt)]

2000

• "Network Level Framing in INSTANCE"
  Pål Halvorsen, Thomas Plagemann, Vera Goebel
  Proceedings of the 6th International Workshop on Multimedia Information Systems 2000 (MIS), Chicago, IL, USA, Oktober 2000, pp. 82 - 91
  [pdf, ps.gz, presentation (ppt)]

• "Requirements Analysis and Design for a Flexible Learning-on-Demand System"
  Ketil Lund, Pål Halvorsen, Vera Goebel, Thomas Plagemann
  Proceedings of the Fourth World Conference on Integrated Design & Process Technology 1999-2000 (IDPT), Dallas, Texas, June 2000
  [pdf]

• "Operating System Support for Multimedia Systems"
  Thomas Plagemann, Vera Goebel, Pål Halvorsen, Otto Anshus
  The Computer Communications Journal, Elsevier, Vol. 23, No. 3, February 2000, pp. 267 - 289
  [pdf, ps.gz]

1999

• "The INSTANCE Project: Operating System Enhancements to Support Multimedia Servers" (poster)
  Pål Halvorsen, Thomas Plagemann, Vera Goebel
  WWW-site for the 17th ACM Symposium on Operating Systems Principles (SOSP), Kiawah Island, SC, USA, December 1999
  [pdf, html, SOSP'99 poster web-site]

• "ConfMan: Integrated WWW and DBS Support for Conference Organization" (poster)
  Pål Halvorsen, Ketil Lund, Vera Goebel, Thomas Plagemann, Thomas Preuss, Hartmut Koenig
  Poster Proceedings of The Eighth International World Wide Web Conference (WWW), Toronto, Canada, May 1999, pp. 34 - 35
  [pdf, software]

1998

• "Bufferhåndtering i multimedia datahåndteringssystemer" (in Norwegian)
  Pål Halvorsen
  Elektronikk, Vol. 32, No. 9, September 1998, pp. 64 - 67
  [pdf, ps.gz]

• "Towards Quality-of-Service Support in Multimedia Database Management Systems" (poster)
  Vera Goebel, Pål Halvorsen, Ketil Lund, Nader Mirzadeh, Thomas Plagemann
  Art Demos - Technical Demos - Poster Papers' Proceedings of the 6th ACM International Multimedia Conference (ACM MM), Bristol, UK, September 1998, pp. 52 - 53
  [pdf, ps.gz]

• "Q-L/MRP: A Buffer Management Mechanism for QoS Support in a Multimedia DBMS"
  Pål Halvorsen, Vera Goebel, Thomas Plagemann
  Proceedings of 1998 IEEE International Workshop on Multimedia Database Management Systems (IW-MMDBMS), Dayton, Ohio, USA, August 1998, pp. 162 - 171
  [pdf, ps.gz]