Data Center Networks: Trends, Opportunities, and Challenges
Speakers: Samee Khan
Topic(s): Cloud and Infomation Retrieval,Computer Systems,Distributed Systems and Algorithms,Education
The major Information and Communication Technology (ICT)
components within a data center are: (a) servers, (b) storage, and (c)
interconnection networks. The data center network (DCN) is considered the
communication backbone of a data center; consequently, a DCN is one of the
prime design concerns in the data center, which plays a pivotal role in
ascertaining the performance factors and initial capital investment. However,
the legacy DCN infrastructures inherently lack the capability to meet the
current growth trend and bandwidth demands. The legacy DCN architectures mainly
suffer from: (a) energy-inefficiency, (b) poor scalability, (c) high cost, (d)
low cross-section bandwidth, and (e) non-agility.
In this talk, we will discuss a few legacy DCN architectures
and elaborate on the current industrial standard DCN architectures, such as the
fat-tree, DCell, VL2, BCube, flattened butterfly, and FiConn. We will discuss
the current trends in DCN architectural research and elaborate on the
challenges, such as (a) performance, (b) reliability, (c) fault tolerance, (d)
high end-to-end bandwidth, and (e) agility that will quantify for several
About this Lecture
Number of Slides: 40
Duration: 60 minutes
Languages Available: English
Last Updated: 08-25-2015
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