126379 741 Adding Intelligence to Internet Through Satellite
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Transcript of 126379 741 Adding Intelligence to Internet Through Satellite
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ADDING INTELLIGENCE TO
INTERNET THROUGH SATELLITE
BY
SHRIKANTH [email protected]
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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 anAmerican network.
1996: The first consumer satellite Internet servicewent into service
1998: Intel has invested in satellite Internetbusinesses
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 Hughesoffer 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 emergingmarkets.
2009: Hughes satellite internet service is availableat 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 overlong time
A
Publisher pushed B
Automatically identifiedas hot Web sites
C
Real-time streaming DKiosk 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 globalconnectivity, but also present new challengesto common Internet applications.
Further improvements can be made at theprotocol level by extending the current TCPstandard.
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FUTUREOFTECHNOLOGY
Improving the availability.
A transport and proxy for real-time streaming
traffic within IDS.
Improved Security and QoS for all trafficflowing through IDS.
Information mined from warehouse and kioskdatabases
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Contd..
Future launches:
W3B
KA-SAT
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BIBLIOGRAPHY
BOOKS:
Ghaleb Abdulla, Edward A. Fox, Marc Abrams,"Shared User Behavior on the World Wide
Web".
Chen et. al, "Wormhole Caching with HTTPPush Method for a Satellite-Based GlobalMulticast Replication System".
James Gwertzman and Margo Seltzer, "TheCase 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..?