adding intelligence to internet through satellite
TRANSCRIPT
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ADDING INTELLIGENCE TO INTERNET THROUGH SATELLITE
BY
SHRIKANTH N
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CONTENTS Introduction Current trends Architecture design Data Flow diagram Application domain Research and development Conclusion Future of technology Bibliography
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INTRODUCTION
Generations of satellites in the Internet
key questions arising in the design of a satellite-based system:
1) Satellite v/s terrestrial networks 2) Elements of satellite-based Internet link 3) Design issues
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HISTORY
1973: Two European computers linked to an American network.
1996: The first consumer satellite Internet service went into service
1998: Intel has invested in satellite Internet businesses
2000: America Online Inc, and Hughes tested a
high-speed satellite Internet service in 16 cities.
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HISTORY (contd..) 2002: StarBand Communications Inc. and Hughes
offer satellite Internet
2005: WildBlue's brought its satellite Internet service to rural areas around US
2008: Google and HSBC plan to provide cheap, high-speed net to Africa and other emerging markets.
2009: Hughes satellite internet service is available at US military bases.
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CURRENT TRENDS Advanced Satellite Internet Modems.
Secure communications - 3DES Encryption.
Enforced Quality of Service (QoS).
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ARCHITECTURE DESIGN
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INTERNET TRAFFIC CATEGORIES
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Contd..
Traffic Definition IDS traffic category
Web sites popular over long time
A
Publisher pushed BAutomatically identified as hot Web sites
C
Real-time streaming D
Kiosk unicast requests E
Semi-real time F
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DATA FLOW
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Contd..
Caching at both ends of the satellite.
Automated monitoring.
Proactive content refreshing.
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Contd..
IDS issues:
Throughput balance.
Missing web pages.
DNS lookup.
Fault tolerance.
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WORK MODEL
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Contd..
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BEAM SPOTS OF SATELLITE
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UTILITY
Efficient internet for homes, business etc.
Availability.
Less login time.
State of the art technology.
No land line phone requirement.
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APPLICATION AREAS Rural and remote areas.
Internet based applications.
Disaster places.
War fields.
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Internet on the move
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SCOPE
Areas with no cable connection.
Fairly decent upload and download speed.
Latency is reducing day by day, suiting
real-time applications.
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STATISTICAL DETAILS
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CONCLUSION Satellite Internet promise a new era of global
connectivity, but also present new challenges to common Internet applications.
Further improvements can be made at the protocol level by extending the current TCP standard.
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FUTURE OF TECHNOLOGY Improving the availability.
A transport and proxy for real-time streaming traffic within IDS.
Improved Security and QoS for all traffic flowing through IDS.
Information mined from warehouse and kiosk
databases
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Contd..
Future launches:
W3B
KA-SAT
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BIBLIOGRAPHYBOOKS:
Ghaleb Abdulla, Edward A. Fox, Marc Abrams, "Shared User Behavior on the World Wide Web".
Chen et. al, "Wormhole Caching with HTTP Push Method for a Satellite-Based Global Multicast Replication System".
James Gwertzman and Margo Seltzer, "The Case for Geographical Push-Caching” and "World-Wide Web Cache Consistency".
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Contd..WEB SITES:
www.wikipedia.com
www.cs.vt.edu
www.skycache.com
www.intelsat.com
www.ibeam.com.
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Thank You..
QUERIES..?