Multistage interconnection networks based on central switches are ubiquitous in high-
performance computing. Applications and communication libraries typically make use of …

Congestion caused by hot-spot traffic can significantly degrade the performance of a
computer network. In this study, we present the Speculative Reservation Protocol (SRP), a …

Endpoint congestion in HPC networks creates tree saturation that is detrimental to
performance. Endpoint congestion can be alleviated by reducing the injection rate of traffic …

In lossless interconnection networks congestion control (CC) can be an effective mechanism
to achieve high performance and good utilization of network resources. Without CC …

Today's scalable high-performance applications heavily depend on the bandwidth
characteristics of their communication patterns. Contemporary multi-stage interconnection …

The overall performance of High-Performance Computing applications may depend largely
on the performance achieved by the network interconnecting the end-nodes; thus high …

Global adaptive routing exploits non-minimal paths to improve performance on adversarial
traffic patterns and load-balance network channels in large-scale networks. However, most …

This paper analyzes the performance of Ethernet layer congestion control mechanism
Quantized Congestion Notification (QCN) during data access from clustered servers in data …

Ensuring optimal communication latency in High Performance Computing (HPC) networks is
of critical importance to the efficient operation of facilitated applications. Different application …

This paper presents efficient algorithms that implement one-to-many, or multicast,
communication in wormhole-routed torus networks. By exploiting the properties of the …