NDLI: TED models for ATM internetworks

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TED models for ATM internetworks

Content Provider	ACM Digital Library
Author	Perumalla, Kalyan Andrews, Matthew Bhatt, Sandeep
Abstract	We describe our experiences designing and implementing a virtual PNNI network testbed. The network elements and signaling protocols modeled are consistent with the ATM Forum PNNI draft specifications. The models will serve as a high-fidelity testbed of the transport and network layers for simulation-based studies of the scalability and performance of PNNI protocols.Our models are written in the new network description language TeD which offers two advantages. First, the testbed design is transparent; the model descriptions are developed separately from, and are independent of, the simulation-specific code. Second, TeD is compiled to run with the GTW (Georgia Tech Time Warp) simulation engine which is supported on shared-memory multiprocessors. Therefore, we directly obtain the advantages of parallel simulation.This is one of the first complex tests of the TeD modeling and simulation software system. The feedback from our experiences resulted in some significant improvements to the simulation software. The resulting PNNI models are truly transparent and the performance of the simulations is encouraging. We give results from preliminary simulations of call admission, set-up and tear-down in sample PNNI networks consisting of two hundred nodes and over three hundred edges. The time to simulate ten thousand call requests decreases significantly with the number of processors; we observe a speedup factor of 5.05 when 8 processors are employed compared to a single processor. Our initial implementations demonstrate the advantages of TeD for parallel simulations of large-scale networks.
Starting Page	12
Ending Page	21
Page Count	10
File Format	PDF
ISSN	01635999
DOI	10.1145/274084.274086
Journal	ACM SIGMETRICS Performance Evaluation Review (PERV)
Volume Number	25
Issue Number	4
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2014-01-10
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software

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
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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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