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From: ECS Seminar Notification <seminar-admin@ecs.vuw.ac.nz>
Date: Thu, May 10, 2012 at 10:56 AM
Subject: [ECS Seminars] Seminar by Foh Chuan Heng
To: ecs-seminars@ecs.vuw.ac.nz

Date: Wednesday 16th May 2012
Time: 10:00 AM - 12:00 PM
Location: Cotton Club, Cotton 350

Foh Chuan Heng is scheduled to present a seminar about:
�� Data Traffic Management in Data Center Networks

School of Engineering and Computer Science Seminar

Abstract:
�� The emerging of cloud computing has triggered the demand for large data
centers. One of the key building blocks of data centers is the network
component. Data center networks have received considerable attention in
research in recent years with efforts focusing on transforming the
existing Ethernet technology to support data center networks. One key
missing feature in Ethernet for data center networks is the support of
lossless transmission. To address this shortcoming, a comprehensive data
traffic management is needed for Ethernet to operate in a data center,
and this need has prompted the creation of a number of standards
including IEEE 802.1Qbb for priority flow control, IEEE 802.1Qaz for
enhanced transmission selection, and also IEEE 802.1Qau for Ethernet
congestion management.

This talk presents our recent works on data traffic management in data
center networks. We first introduce two layer-2 solutions to combat
traffic congestion in data center networks. The first solution uses
multipathing technique to balance traffic and prevent congestion at
local links. When the offered load exceeds the network capacity, our
second solution offers controlling of traffic flows based on their
priority to avoid network-wide congestion. In layer-3, we introduce
multiple congestion points TCP specifically design for data center
environment. We show the significant performance benefit when multiple
congestion points can be detected in a data path. The talk concludes
with sharing of some ongoing works and preliminary results.

Short Bio:

Chuan Heng Foh (Ph.D, The University of Melbourne, 2002) is an Assistant
Professor at the School of Computer Engineering, Nanyang Technological
University (NTU) since December 2002. Priority to NTU, he was a lecturer
at Monash University for 6 months. Chuan Heng Foh is the author of 90
research papers and 1 patent. He is the Associate Editor of
International Journal of Communication Systems and guest editor of
International Journal of Distributed Sensor Networks, TPC member of many
mainstream IEEE conferences. His main research interests include
performances of computer networks, network coding, multimedia
transmission, cloud computing, and data center technology.

Any queries about this seminar, please email lindsay@ecs.vuw.ac.nz
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