Traffic matrix estimation: existing techniques and new directions
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
MATE: multipath adaptive traffic engineering
Computer Networks: The International Journal of Computer and Telecommunications Networking
Optimal oblivious routing in polynomial time
Proceedings of the thirty-fifth annual ACM symposium on Theory of computing
Walking the tightrope: responsive yet stable traffic engineering
Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications
COPE: traffic engineering in dynamic networks
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
A scalable, commodity data center network architecture
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
Dcell: a scalable and fault-tolerant network structure for data centers
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
PortLand: a scalable fault-tolerant layer 2 data center network fabric
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
VL2: a scalable and flexible data center network
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
Understanding data center traffic characteristics
Proceedings of the 1st ACM workshop on Research on enterprise networking
The nature of data center traffic: measurements & analysis
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
c-Through: part-time optics in data centers
Proceedings of the ACM SIGCOMM 2010 conference
Helios: a hybrid electrical/optical switch architecture for modular data centers
Proceedings of the ACM SIGCOMM 2010 conference
Hedera: dynamic flow scheduling for data center networks
NSDI'10 Proceedings of the 7th USENIX conference on Networked systems design and implementation
Network traffic characteristics of data centers in the wild
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
Sharing the data center network
Proceedings of the 8th USENIX conference on Networked systems design and implementation
Programming your network at run-time for big data applications
Proceedings of the first workshop on Hot topics in software defined networks
vCRIB: virtualized rule management in the cloud
HotCloud'12 Proceedings of the 4th USENIX conference on Hot Topics in Cloud Ccomputing
Demand-aware flow allocation in data center networks
Proceedings of the 2012 ACM workshop on Capacity sharing
Scalable rule management for data centers
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
F10: a fault-tolerant engineered network
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
Participatory networking: an API for application control of SDNs
Proceedings of the ACM SIGCOMM 2013 conference on SIGCOMM
Leveraging endpoint flexibility in data-intensive clusters
Proceedings of the ACM SIGCOMM 2013 conference on SIGCOMM
Resource/accuracy tradeoffs in software-defined measurement
Proceedings of the second ACM SIGCOMM workshop on Hot topics in software defined networking
Per-packet load-balanced, low-latency routing for clos-based data center networks
Proceedings of the ninth ACM conference on Emerging networking experiments and technologies
Scalable, optimal flow routing in datacenters via local link balancing
Proceedings of the ninth ACM conference on Emerging networking experiments and technologies
Dahu: commodity switches for direct connect data center networks
ANCS '13 Proceedings of the ninth ACM/IEEE symposium on Architectures for networking and communications systems
HybNET: network manager for a hybrid network infrastructure
Proceedings of the Industrial Track of the 13th ACM/IFIP/USENIX International Middleware Conference
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The effects of data center traffic characteristics on data center traffic engineering is not well understood. In particular, it is unclear how existing traffic engineering techniques perform under various traffic patterns, namely how do the computed routes differ from the optimal routes. Our study reveals that existing traffic engineering techniques perform 15% to 20% worse than the optimal solution. We find that these techniques suffer mainly due to their inability to utilize global knowledge about flow characteristics and make coordinated decision for scheduling flows. To this end, we have developed MicroTE, a system that adapts to traffic variations by leveraging the short term and partial predictability of the traffic matrix. We implement MicroTE within the OpenFlow framework and with minor modification to the end hosts. In our evaluations, we show that our system performs close to the optimal solution and imposes minimal overhead on the network making it appropriate for current and future data centers.