• Corpus ID: 5419107

Implementation of PFC and RCM for RoCEv2 Simulation in OMNeT++

@article{Liu2015ImplementationOP,
  title={Implementation of PFC and RCM for RoCEv2 Simulation in OMNeT++},
  author={Li-Yu Daisy Liu and Robert D. Russell and Fabrice Mizero and Malathi Veeraraghavan and John M. Dennis and Benjamin F. Jamroz},
  journal={ArXiv},
  year={2015},
  volume={abs/1509.03559}
}
As traffic patterns and network topologies become more and more complicated in current enterprise data centers and TOP500 supercomputers, the probability of network congestion increases. If no countermeasures are taken, network congestion causes long communication delays and degrades network performance. A congestion control mechanism is often provided to reduce the consequences of congestion. However, it is usually difficult to configure and activate a congestion control mechanism in… 

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References

SHOWING 1-10 OF 16 REFERENCES
InfiniBand congestion control: modelling and validation
TLDR
This paper presents a CC capable IB model implemented in the OMNeT++ environment, explains the basics of the model, and validates it against CC capable hardware to show its high accuracy.
Impact of Inter-application Contention in Current and Future HPC Systems
TLDR
The work evaluates the impact of inter-application contention for actual competing HPC workloads under different routing schemes in slimmed Fat Trees, and suggests that the increase in network speed does not need to keep the same fast pace as the increaseIn computation power, but it still needs to be scaled up.
Efficient data transfer protocols for big data
TLDR
This work compares the performance of TCP, UDP, UDT, and RoCE over high latency 10Gbps and 40Gbps network paths, and shows that RoCE-based data transfers can fill a40Gbps path using much less CPU than other protocols.
There goes the neighborhood: Performance degradation due to nearby jobs
TLDR
This paper focuses on Cray machines and investigates potential causes for performance variability such as OS jitter, shape of the allocated partition, and interference from other jobs sharing the same network links.
Principles and Practices of Interconnection Networks
TLDR
This book offers a detailed and comprehensive presentation of the basic principles of interconnection network design, clearly illustrating them with numerous examples, chapter exercises, and case studies, allowing a designer to see all the steps of the process from abstract design to concrete implementation.
The Addition of Explicit Congestion Notification (ECN) to IP
This memo specifies the incorporation of ECN (Explicit Congestion Notification) to TCP and IP, including ECN's use of two bits in the IP header.
Infiniband Architecture Specification Volume 1, Release 1.3
  • Mar. 2015.
  • 2015
Supplement to InfiniBand Architecture Specification Volume 1 Release 1.2.1 Annex A17: RoCE-v2
  • Sep. 2014.
  • 2014
Supplement to InfiniBand Architecture Specification Volume 1 Release 1.2.1 Annex A16: RDMA over Converged Ethernet (RoCE)
  • Apr. 2010.
  • 2010
Supplement to InfiniBand Architecture Specification Volume 1 Release 1.2.1 Annex A16: RDMA over Converged Ethernet (RoCE)
  • Supplement to InfiniBand Architecture Specification Volume 1 Release 1.2.1 Annex A16: RDMA over Converged Ethernet (RoCE)
  • 2010
...
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