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Building Intelligent Transportation Systems

over the Internet Using Publish/Subscribe Model

Sayed Ahmad NaweedSupervisor: Dr. Yokoyama Teruaki

14 November 2015

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Transportation in Afghanistan

World bank: “Afghanistan has one of the worst road systems in the world.”

• Unstandardized road infrastructure

• No advanced traffic technologies

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30 million

1.2 millionAfghanistan Japan

127 million

69 million

Traffic AccidentDeath Rate

per100,000 population

27.82 persons

2.28 persons

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Objectives

• Increase safety– citizens– vehicle

• Transportation efficiency

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Intelligent Transportation Systems (ITS)

Technology for surface transportation to ensure transit efficiency and safety of citizens and vehicles.

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Components of ITS

Data Flow

Physical Entities

The Functions

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Challenges of ITS in Afghanistan

• Construction cost• Computing resource cost

• Unstable network • Unreliable electricity

Physical Entities

Data Flow

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1. Is it possible to use public Internet as infrastructure for ITS?

2. How to deal with unstable network?

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Physical Entity Challenges

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Public Internet as Infrastructure

Public Internet

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1. Is it possible to use public Internet as infrastructure for ITS?

2. How to deal with unstable network?

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Publish/Subscribe Communication Model

• Tightly Coupled• Complex Deployment• Fragile to Fault

• Loosely Coupled• Plug & Play• Fault Resilient

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Our Proposed Model

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Goal

• Design overlay networks over IP for ITS• Building sensor network using MQTT as

application layer protocol.

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Prototyping

Bridge

MQTT Broker #1

MQTT Broker #2

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Results

Subscriber 1 Subscriber 2

Subscriber 3 Subscriber 4

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Thank you