Utilizing Public Transport Networks for Bulk Data Transfer

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http://urn.fi/URN:NBN:fi:hulib-201908133198
Title: Utilizing Public Transport Networks for Bulk Data Transfer
Author: Ahmad, Ayesha
Contributor: University of Helsinki, Faculty of Science
Publisher: Helsingin yliopisto
Date: 2019
Language: eng
URI: http://urn.fi/URN:NBN:fi:hulib-201908133198
http://hdl.handle.net/10138/304693
Thesis level: master's thesis
Discipline: Tietojenkäsittelytiede
Abstract: Public transport networks are a subset of vehicular networks with some important distinctions; the actors in the network include buses and bus-stops, they are predictable and they provide reliable physical coverage of an area. The Public Transport Network of a city can also be interpreted as an opportunistic network where nodes are bus-stops and communication between these nodes occurs when a bus travels between two bus-stops. How will a data communication network perform when built upon the opportunistic network formed by the public transport system of a city? In this thesis we explore this question basing our analysis on Helsinki Region’s public bus transport system as a real example. We explore the performance of a public transport network when used for communication of data using both simulation of the network and graph analysis. The key performance factors studied are the data delivery ratio and data delivery time. Additional issues considered are the kind of applications such a system is suited for, the important characteristics governing the reliability and efficacy of such a data communications system, and the design guidelines for building such an application. The results demonstrate that data transfer applications can be built over a city’s Public Transport Network.


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