On the self-similar nature of Ethernet traffic (extended version)
IEEE/ACM Transactions on Networking (TON)
Wide area traffic: the failure of Poisson modeling
IEEE/ACM Transactions on Networking (TON)
Guidelines for interdomain traffic engineering
ACM SIGCOMM Computer Communication Review
Towards a next generation data center architecture: scalability and commoditization
Proceedings of the ACM workshop on Programmable routers for extensible services of tomorrow
A scalable, commodity data center network architecture
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
3D beamforming for wireless data centers
Proceedings of the 10th ACM Workshop on Hot Topics in Networks
Less is more: trading a little bandwidth for ultra-low latency in the data center
NSDI'12 Proceedings of the 9th USENIX conference on Networked Systems Design and Implementation
Mirror mirror on the ceiling: flexible wireless links for data centers
Proceedings of the ACM SIGCOMM 2012 conference on Applications, technologies, architectures, and protocols for computer communication
EyeQ: practical network performance isolation for the multi-tenant cloud
HotCloud'12 Proceedings of the 4th USENIX conference on Hot Topics in Cloud Ccomputing
Mirror mirror on the ceiling: flexible wireless links for data centers
ACM SIGCOMM Computer Communication Review - Special october issue SIGCOMM '12
Computer Networks: The International Journal of Computer and Telecommunications Networking
EyeQ: practical network performance isolation at the edge
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
Correlation-aware virtual machine allocation for energy-efficient datacenters
Proceedings of the Conference on Design, Automation and Test in Europe
Proceedings of the fourth international conference on Future energy systems
Protocol Responsibility Offloading to Improve TCP Throughput in Virtualized Environments
ACM Transactions on Computer Systems (TOCS)
Scissors: dealing with header redundancies in data centers through SDN
Proceedings of the 8th International Conference on Network and Service Management
A toolchain for simplifying network simulation setup
Proceedings of the 6th International ICST Conference on Simulation Tools and Techniques
DBridges: Flexible floodless frame forwarding
Computer Networks: The International Journal of Computer and Telecommunications Networking
Information Sciences: an International Journal
A Traffic-Aware Virtual Machine Placement Method for Cloud Data Centers
UCC '13 Proceedings of the 2013 IEEE/ACM 6th International Conference on Utility and Cloud Computing
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As data centers become more and more central in Internet communications, both research and operations communities have begun to explore how to better design and manage them. In this paper, we present a preliminary empirical study of end-to-end traffic patterns in data center networks that can inform and help evaluate research and operational approaches. We analyze SNMP logs collected at 19 data centers to examine temporal and spatial variations in link loads and losses. We find that while links in the core are heavily utilized the ones closer to the edge observe a greater degree of loss. We then study packet traces collected at a small number of switches in one data center and find evidence of ON-OFF traffic behavior. Finally, we develop a framework that derives ON-OFF traffic parameters for data center traffic sources that best explain the SNMP data collected for the data center. We show that the framework can be used to evaluate data center traffic engineering approaches. We are also applying the framework to design network-level traffic generators for data centers.