NDLI: The use of parallel computers for space-network modeling [orbiting satellites or deep space vehicles]

Content Provider	IEEE Xplore Digital Library
Author	Hant, J. Lanzinger, D. Coodey, M.
Copyright Year	2004
Description	Author affiliation: Aerosp. Corp., Los Angeles, CA, USA (Hant, J.; Lanzinger, D.; Coodey, M.)
Abstract	Cost-effective parallel computing such as Beowulf clusters offer a new technology that can be employed for computer event modeling (simulators or emulators). The Beowulf network evaluation tool (BeoNET) is a network-modeling tool designed to address the specific issues of space networks. It includes a user-end problem definition subsystem that runs on desktop PCs and a run-time subsystem that runs on a Beowulf cluster, consisting of possibly hundreds of processors connected via a high-speed, dedicated LAN. In its standard configuration, it uses a one-to-one mapping of modeled network nodes (i.e. satellites, ground stations) to processors, and a one-to-one mapping modeled network messages to BeoNET messages. By taking advantage of parallelism, it can achieve run-times that are faster than real time. By running the network emulation in software, the human time to reconfigure the emulation and analyze results is minimized, allowing the assessment of many possible solutions. Finally, by having a one to one mapping of modeled nodes and messages with BeoNET internal nodes and messages, BeoNET can achieve a level of fidelity that many network simulators, which rely on aggregation and abstraction, cannot.
Starting Page	4506
Ending Page	4510
File Size	2099198
Page Count	5
File Format	PDF
ISBN	0780385217
ISSN	10903038
DOI	10.1109/VETECF.2004.1404932
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Concurrent computing Satellites Space vehicles Parallel processing Space technology Runtime Emulation Computational modeling Computer simulation Discrete event simulation
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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