Modelling Tools -- The Challenge of Combining Text and Graphics in Modelling Support Environment -- Compiling Techniques for the Analysis of Stochastic Petri Nets -- PANACEA: An Integrated Set of Tools for Performance Analysis -- Distributed Systems Design: an Integrated Software Tool for Performance Analysis -- Towards a Performance Modelling Environment: News on HIT -- Networking -- LANSF - A Modular Approach for Modeling Low-level Communication Protocols -- IPwatch: A Tool for Monitoring Network Locality -- QUARTZ: A Tool for Performance Evaluation of Data Networks -- Architecture and Workload -- TEL: A versatile Tool for Emulating system Load -- A Tool for Performance-Driven Design of Parallel Systems -- Protocols -- Performance Analysis of a Buffer under Locking Protocols -- Average Message Delay of an Asymmetric Single-Buffer Polling System with Round-Robin Scheduling of Services -- On a Multi-Class Queue with Class Dependent Window-Flow Control -- Architecture Configuration -- Solving some Practical Problems of Computing System Configuration and Design by Throughput Control in Closed Separable Queueing Networks -- Modeling DASD Configurations with Multipathing and Multiple Blocking Points -- A Unified Approach to the Performace Evaluation of Multiprocessors -- A Hardware Instrumentation Approach for Performance Measurement of a Shared-Memory Multiprocessor" -- Parallelism -- Artificial Intelligence Modelling of Complex Systems -- PEPS: A Package for Solving Complex Markov Models of Parallel Systems -- Performance of Concurrent Redezvous Systems with Complex Performance Structures -- On the Tradeoff between Parallelism and Communication -- Performability -- PROPER, A Performability Modelling and Analysis Tool -- Petri Nets Generating Markov Reward Models for Performance/Reliability Analysis of Degradable Systems -- Failure Data Analysis of a Computer System -- Algorithms -- Fast Approximate Solution of Queueing Networks with Multi-Server Chain-Dependent FCFS Queues -- A Universal Maximum Entropy Algorithm for General Multiple Class Open Networks with Mixed Service Disciplines -- Piecewise Approximation of Densities Applying the Principle of Maximum Entropy: Waiting Times in G/G/1-Systems -- Two-Stage Cyclic Network with Blocking: Cycle Time Distribution and Equivalent Properties.