NDLI: Credibility and Validation of Simulation Models for Tactical IP Networks

Content Provider	IEEE Xplore Digital Library
Author	Boltjes, B. Thiele, F. Diaz, I.F.
Copyright Year	2006
Description	Author affiliation: TNO, Delft (Boltjes, B.; Thiele, F.; Diaz, I.F.)
Abstract	The task of TNO is to provide predictions of the scalability and performance of the new all-IP tactical networks of the Royal Netherlands Army (RNLA) that are likely to be fielded. The inherent properties of fielded tactical networks, such as low bandwidth and quality of service (QoS) policies require models of the key tactical network devices that, under similar traffic conditions, accurately simulate the behavior of the devices they represent. TNO uses OPNET for modeling military communication networks. However, validation reports of the standard models of the key devices provided by OPNET, or experimental values to compare their behavior with the behavior of the devices they represent, could not be obtained from the device vendors or OPNET. Subsequently, TNO embarked on experiments to validate models of the key IP routers and switches. The first results from this ongoing study were presented at the OPNET user conference in 2002. These results, and the ones in here, reveal the validity of the standard models. The experiments provide effective values for basic model attributes such as packet forwarding speed, effective queue sizes, and QoS mechanisms. Experiments revealed that effective values can differ significantly from vendor specifications. Sometimes the attributes of the corresponding standard OPNET model could not be tuned to match its behavior sufficiently with the measured one. Modifications were implemented to improve the match when the effort was not too great. Some flaws were considered too fundamental for modification but the modeler is now at least aware of them. This paper reports new experiments, simulations and results in our effort to extend our suite of valid models for tactical equipment. To incite discussion and to place our work in perspective, this paper also gives a concise overview of related studies reported in the literature on the validity of models and credibility of simulation studies of communication networks
Starting Page	1
Ending Page	10
File Size	13186547
Page Count	10
File Format	PDF
ISBN	142440617X
DOI	10.1109/MILCOM.2006.302406
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	IP networks Quality of service Scalability Bandwidth Telecommunication traffic Traffic control Military communication Switches Measurement standards Communication networks
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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