A comparison of adaptive wormhole routing algorithms
ISCA '93 Proceedings of the 20th annual international symposium on computer architecture
Using a Multipath Network for Reducing the Effects of Hot Spots
IEEE Transactions on Parallel and Distributed Systems
TNet: A Reliable System Area Network
IEEE Micro
Performance Analysis of Mesh Interconnection Networks with Deterministic Routing
IEEE Transactions on Parallel and Distributed Systems
ServerNet Deadlock Avoidance and Fractahedral Topologies
IPPS '96 Proceedings of the 10th International Parallel Processing Symposium
Tandem Computers Incorporated: Performance Modeling of ServerNetTM Topologies
IPPS '96 Proceedings of the 10th International Parallel Processing Symposium
Fault-tolerant adaptive routing for two-dimensional meshes
HPCA '95 Proceedings of the 1st IEEE Symposium on High-Performance Computer Architecture
A Flexible ServerNet-Based Fault-Tolerant Architecture
FTCS '95 Proceedings of the Twenty-Fifth International Symposium on Fault-Tolerant Computing
Performance Modeling of ServerNet™ SAN Topologies
The Journal of Supercomputing
Optimizing router arbitration in point-to-point networks
Computer Communications
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This paper centers on analysis of the performance characteristics of ServerNet topologies, concentrating on the prediction through simulation and statistical analysis of the maximum two-way delivery time, the identification of congested links (hot spots) and tree saturation. ServerNet/sup TM/, developed by Tandem Computers Inc., is a wormhole-routed, packet-switched, point-to-point network, with special attention paid to reducing latency and to assuring reliability. ServerNet uses multiple high-speed, low-cost routers to rapidly switch data directly between data sources and destinations. Our study is based on data generated by a simulation tool. Statistical analysis and inference methods were used to process the samples generated by the simulator and to obtain estimates for the maximum two-way packet delivery time. Link usage statistics were recorded by the simulator for the purpose of performing a detailed investigation of congestion effects and hot spots. Hot spots may cause the occurrence of tree saturation in the network i.e., where an individual tree will become congested (tree saturation) while all other trees are mostly idle, which leads to significant performance degradation.