This book constitutes the refereed proceedings of the 4th International Workshop on Distributed Computing, IWDC 2002, held in Calcutta, India, in December 2002.The 31 revised full papers and 3 student papers presented together with 3 keynote papers were carefully reviewed and selected from more than 90 submissions.

Keynote Talk I.- Bandwidth Management in Community Networks.- Web Caching.- A Generalised Cost-Aware Caching Scheme for Caching Continuous Media Objects in Best-Effort Network Environments.- Improving Web Access Efficiency Using P2P Proxies.- Web Recency Maintenance Protocol.- Tools and Techniques for Measuring and Improving Grid Performance.- Keynote Talk II.- Coarse-Grained Parallelization of Distance-Bound Smoothing for the Molecular Conformation Problem.- Distributed Computing.- Concurrent Reading and Writing with Mobile Agents.- A Fault-Tolerant Distributed Deadlock Detection Algorithm.- Performance Evaluation of a Two Level Error Recovery Scheme for Distributed Systems.- 4-Systolic Broadcasting in a Wrapped Butter.y Network.- Keynote Talk III.- Understanding Wireless Mobile Systems: A Simplified Simulation Approach.- Wireless Networks.- On the Radiocoloring Problem.- Efficient Algorithms for Channel Assignment in a Cellular Network.- Channel Assignment for Wireless Networks Modelled as d-Dimensional Square Grids.- Efficient Location Management by Movement Prediction of the Mobile Host.- Mobile Ad Hoc Networks.- Multipath Routing to Provide Quality of Service in Mobile Ad Hoc Networks.- Energy-Aware On-Demand Routing for Mobile Ad Hoc Networks.- Prospects of Group-Based Communication in Mobile Ad hoc Networks.- Multipath Routing in Ad Hoc Wireless Networks with Omni Directional and Directional Antenna: A Comparative Study.- Wireless Mobile Systems.- Performance Modeling of Wireless Voice over IP.- Push Less and Pull the Current Highest Demanded Data Item to Decrease the Waiting Time in Asymmetric Communication Environments.- An Adaptive Resource Reservation and Distributed Admission Control Scheme for Mobile Networks.- On Restructuring Distributed Algorithms for Mobile Computing.- VLSI and Parallel Systems.- Design of Aliasing Free Space Compressor in BIST with Maximal Compaction Ratio Using Concepts of Strong and Weak Compatibilities of Response Data Outputs and Generalized Sequence Mergeability.- A Behavioral Synthesis Tool for Exploiting Fine Grain Parallelism in FPGAs.- Performance Driven Routing in Distributed Environment.- Performance Prediction Methodology for Parallel Programs with MPI in NOW Environments.- Optical Networks.- New Scheme for Design of Static Virtual Topology in Wide Area Optical Networks.- A Fast Technique for Assigning Wavelengths in WDM All-Optical Networks (AONs).- Design of 1-FT Communication Network under Budget Constraint.- Distributed Systems.- Approximating the Range Sum of a Graph on CREW PRAM.- Design and Implementation of a Soft Real Time Fault Tolerant System.- Expressing Constraint Models in Object Oriented Data Using UML and ODL.- Student Papers.- Grid Computing: The Future of Distributed Computing for High Performance Scientific and Business Applications.- A Token-Based Distributed Algorithm for Total Order Atomic Broadcast.- Task Allocation in Heterogeneous Computing Environment by Genetic Algorithm.

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