Service-Oriented Analysis Service Modeling




Service modeling guidelines



Take into account potential cross-process reusability of logic being encapsulated
Consider potential intra-process reusability of logic being encapsulated
Factor in process-related dependencies
Model for cross-application reuse
Speculate on further decomposition requirements
Identify logical units of work with explicit boundaries
Prevent logic boundary creep
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Abstract
LEO is Low Earth Orbit satellite.It circulates on a lower orbit in a shorter period . Additionally LEO systems try to ensure a high elevation for every spot of the earth to provide a highquality communication page link . The networks will play an important role in the evolving information infrastructure . It provides communication with shorter endto- end delays and e_ciency frequency usages . Some problems need to be solved before LEO satellite system can be successfully deployed . One of these problems is handover management . Even ....etc

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ADDING INTELLIGENCE TO INTERNET THROUGH SATELLITE




INTRODUCTION

Generations of satellites in the Internet
key questions arising in the design of a satellitebased
system:
1) Satellite v/s terrestrial networks
2) Elements of satellite-based Internet link
3) Design issues


CURRENT TRENDS

Advanced Satellite Internet Modems.
Secure communications - 3DES Encryption.
Enforced Quality of Service (QoS).


APPLICATION AREAS

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presented by:
Dalia Mohamed Mahmoud


Internet Via Satellite
The Internet “Bucket” is Far From Full…
 Only 5% of the world’s population use the Internet
 Penetration rate in North America is only 45%
Internet Over Satellites: A Summary
 INTERNET over INTELSAT’s satellites:
-Over 80% of African countries use INTELSAT for their Internet traffic with Europe and North America
-INTELSAT carries more than 10x36 MHz of Internet traffic
Internet Delivery via Satellites: What ....etc

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Abstract

Two scaling problems face the Internet today. First, it will be years before terrestrial networks are able to provide adequate bandwidth uniformly around the world, given the explosive growth in Internet bandwidth demand and the amount of the world that is still unwired. Second, the traffic distribution is not uniform worldwide: Clients in all countries of the world access content that today is chiefly produced in a few regions of the world . A new generation of Internet access built around geosynchronous satellites can provide imme ....etc

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