NDLI: Scalability and Bandwidth Optimization for Data Center Networks

Content Provider	IEEE Xplore Digital Library
Author	Teng Zhang Jiaxing Song Weidong Liu
Copyright Year	2012
Abstract	Data centers now being built may contain tens of thousands hosts, and this number is still growing. Deficiencies of the conventional network architecture are gradually revealed. It is facing a set of limitations such as poor scalability, resources fragmentation, lack of support for virtual machine migration and inefficient packets forwarding. In this paper, we propose an alternative solution which is more suitable for data center than the traditional structure. We redesign a large and scalable layer 2 network that supports VM migration better and removes resource fragmentation. We employ a global controller to maintain network information which can be accessed through a directory service running on the controller. With the directory service we achieve proxy ARP resolving and MAC-in-MAC tunneling while forwarding data frames. Moreover, we replace the shortest path first route algorithm with bandwidth-aware forwarding algorithm that dynamically adjusts route when overloaded link detected. The simulation results show that our approach can significantly increase the aggregate throughput and is more efficient.
Starting Page	935
Ending Page	940
File Size	334484
Page Count	6
File Format	PDF
ISBN	9781467321648
DOI	10.1109/HPCC.2012.135
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-25
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Network topology Data center network Switches Bandwidth Tunneling Topology IP networks bandwidth-aware forwarding
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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