NDLI: On the effectiveness of optical parallel transmission in IP offloading

Content Provider	IEEE Xplore Digital Library
Author	Xiaomin Chen Chamania, M. Jukan, A.
Copyright Year	2012
Description	Author affiliation: Technische Universität Carolo-Wilhelmina zu Braunschweig, Germany (Xiaomin Chen; Chamania, M.; Jukan, A.)
Abstract	The use of dynamic optical circuits for IP offloading, also referred to as optical bypass, was proposed to counter overloading in IP networks caused by sudden traffic surges. Approaches proposed to date use single path routing to setup optical bypass. However, the discrete bandwidth granularities of optical circuits may lead to the so-called bandwidth mismatch issue where the capacity of an optical circuit can either be far greater or smaller than the bandwidth required for IP offloading. This eventually increases the cost of IP offloading and leads to inefficient capacity utilization of optical bypasses. In this paper, we propose to employ optical parallel transmission to counter the bandwidth mismatch in IP offloading with consideration of differential delay caused by path diversity. We formulate the problem using Integer Linear Programming (ILP) and analyze the effectiveness of optical parallel transmission to counter bandwidth mismatch in IP offloading. We model the problem under conditions where a) the complete IP traffic matrix is known or b) only typical IP traffic measurements are available. The numerical results show that the use of optical parallel transmission in IP offloading can better match bandwidth requirements of IP offloading, thereby improving resource utilization and reducing the cost of optical bypasses comparing with single path routing.
Starting Page	1
Ending Page	6
File Size	1372285
Page Count	6
File Format	PDF
ISBN	9781467309493
e-ISBN	9781467309516
e-ISBN	9781467309509
DOI	10.1109/NOC.2012.6249951
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-20
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical buffering Bandwidth Routing Optical network units IP networks Delay
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
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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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