NDLI: Performance of Satellite Gateway over Geostationary Satellite Links

Content Provider	IEEE Xplore Digital Library
Author	Vankka, J.
Copyright Year	2013
Description	Author affiliation: Dept. of Mil. Technol., Nat. Defence Univ., Finland (Vankka, J.)
Abstract	A significant amount of today's Internet traffic, including World Wide Web (WWW), file transfer, e-mail and remote access traffic, is carried by the Transmission Control Protocol (TCP) transport protocol. Geostationary satellite links have a number of features that may degrade the performance of the TCP over them. The satellite links have an average round-trip time (RTT) of around 500 ms. The TCP uses a slow-start phase to probe the network at the start of a connection. The time spent in the slow-start phase is directly proportional to the RTT. For a satellite link, it means that the TCP stays in the slow-start phase for a longer time than in the case of a small RTT link. This drastically decreases the throughput of the short-duration TCP connection. Furthermore, when packets are lost, the TCP enters the congestion-avoidance phase. Due to the higher RTT, the TCP remains in the congestion-avoidance phase for a longer time, which reduces the throughput of both short and long-duration TCP connections. Satellite gateways are proven to improve the TCP throughput by 300 -- 800% across high-delay and lossy satellite links.
Sponsorship	IEEE Commun. Soc.
Starting Page	289
Ending Page	292
File Size	215340
Page Count	4
File Format	PDF
ISBN	9780769551241
DOI	10.1109/MILCOM.2013.57
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Logic gates Satellites Virtual private networks Bandwidth Throughput Servers Acceleration virtual private networks satellite gateway transmission control protocol wide-area network acceleration
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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