NDLI: Packet clustering introduced by routers: Modeling, analysis and experiments

Content Provider	IEEE Xplore Digital Library
Author	Chiun Lin Lim Ki Suh Lee Han Wang Weatherspoon, H. Ao Tang
Copyright Year	2014
Description	Author affiliation: Dept. of Comput. Sci., Cornell Univ., Ithaca, NY, USA (Ki Suh Lee; Han Wang; Weatherspoon, H.) \|\| Sch. of Electr. & Comput. Eng., Cornell Univ., Ithaca, NY, USA (Chiun Lin Lim; Ao Tang)
Abstract	Utilizing a highly precise network measurement device, we investigate router's inherent variation on packet processing time and its effect on interpacket delay and packet clustering. We propose a simple pipeline model incorporating the inherent variation and a metric to measure packet clustering. To isolate the effect of the inherent variation, we begin our analysis with no cross traffic and step through setups where the input streams have different data rate, packet size and go through different number of hops. We show that a homogeneous input stream with a sufficiently large interpacket gap will emerge at the router's output with interpacket delays that are negative correlated with adjacent values and have symmetrical distributions. We show that for smaller interpacket gaps, the change in packet clustering is smaller. It is also shown that the degree of packet clustering could in fact decrease for a clustered input. We generalize our results by adding cross traffic. We apply these results to demonstrate how we could reduce jitter by minimizing interpacket gap. All the results predicted by the model are validated with experiments with real routers.
Sponsorship	IEEE Inf. Theory Soc.
Starting Page	1
Ending Page	6
File Size	688364
Page Count	6
File Format	PDF
ISBN	9781479930012
DOI	10.1109/CISS.2014.6814168
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-03-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power queuing theory Correlation Jitter Router modeling traffic burstiness Delays Servers Equations
Content Type	Text
Resource Type	Article

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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
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