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(1)

Do Wireless Sensor Networks need to be

completely integrated within the Internet?

Rodrigo Roman, Javier Lopez, Cristina Alcaraz

Universidad de Málaga

Spain

(2)
(3)

Real World

Virtual World

SENSE

(4)

…Sensor Nodes!...

Thinking!

Feeling!

Speaking!

(5)

…Sensor Networks!...

Easy to deploy

Run unattended

Not Expensive*

(6)
(7)
(8)
(9)
(10)
(11)

Connecting WSN

↔ Internet

LAN

REMOTE

Remote Access?

(12)

Sensor Networks* and the Internet

(13)

Connecting WSN

↔ Internet

LAN

REMOTE

IPv6

(14)

Connecting WSN

↔ Internet

LAN

REMOTE

IPv6

6LoWPAN

TCP/IP

TCP/IP Solution

Internet

(15)

THE QUESTION

“But the goal is to learn how to do creative work, and to challenge

everything [...] people have to be trained for creativity and

disobedience” – Noam Chomsky

Do

ALL Wireless Sensor Networks need to be

ALL

(16)

Integration Strategies

Stack-Based Approaches

TCP/IP WSN-Specific

Front-End Solution

Internet WSN TCP/IP WSN-Specific

Gateway Solution

Internet (Tunneled)

TCP/IP

TCP/IP Solution

Internet

(17)

Sensor Networks* and the Integration Strategies

(18)

Integration Strategies – Security Factors

LAN

REMOTE

User Auth

2

Secure Communication

Resilience

HW Capabilities

Disclaimer: We use red to highlight the contents, not to

(19)

Integration Strategies – Security

TCP/IP WSN-Specific

Front-End Solution

Internet WSN TCP/IP WSN-Specific

Gateway Solution

Internet (Tunneled)

TCP/IP

TCP/IP Solution

Internet

User Auth

2

(20)

Integration Strategies – Security

TCP/IP WSN-Specific

Front-End Solution

Internet WSN TCP/IP WSN-Specific

Gateway Solution

Internet (Tunneled)

TCP/IP

TCP/IP Solution

Internet

Secure Communication

(21)

Integration Strategies – Security

TCP/IP WSN-Specific

Front-End Solution

Internet WSN TCP/IP WSN-Specific

Gateway Solution

Internet (Tunneled)

TCP/IP

TCP/IP Solution

Internet

Resilience

(22)

Integration Strategies – Security

TCP/IP WSN-Specific

Front-End Solution

Internet WSN TCP/IP WSN-Specific

Gateway Solution

Internet (Tunneled)

TCP/IP

TCP/IP Solution

Internet

HW Capabilities

(23)

Integration Strategies – Mastering Security

TCP/IP

TCP/IP Solution

Internet

Efficient Auth

2

Secure Protocols

Protection

(24)

Integration Strategies – Mastering …

Efficient Auth

2

Secure Protocols

Protection

Enough HW

TCP/IP

TCP/IP Solution

(25)

Integration Strategies – Application Factors

LAN

REMOTE

Network Redundancy

Inteligence

Protocol Optimization

(26)

Integration Strategies – Application

Network Redundancy

I want…

One day

ago…

(27)

Integration Strategies – Application

Intelligence

1001……001

Do I know what is

the human body?

Do I know what is

the Internet?

(28)

Integration Strategies – Application

Protocol Optimization

Quality of

Service

Self

-Healing

(29)
(30)
(31)

Integration Strategies for SCADA/Industrial Systems

TCP/IP ISA - WHART

Front-End Solution

DNP3, Modbus ISA, WHART

TCP/IP ISA - WHART

Gateway Solution

DNP3, Modbus (Tunneled)

TCP/IP

TCP/IP Solution

DNP, Modbus

Resilience - SPoF

Full Integration

Security Aspects

Protocol Opt.

Existing Solutions

Availability

Existing Solutions

Integration

Node Complexity

(32)

Underwater Sensor Networks

Underwater

Air

(33)
(34)
(35)

THE ANSWER

Do Wireless Sensor Networks need to be

integrated within the Internet?

YES

YES

Do

ALL Wireless Sensor Networks need to be

ALL

completely integrated within the Internet?

Depends on the application

(36)

THE ANSWER – Part Deux

Do not forget these things:

User Auth

2

Secure Communication

Resilience

HW Capabilities

Network Redundancy

Functionality

Protocol Optimization

(37)

Do Wireless Sensor Networks need to be

completely integrated within the Internet?

Rodrigo Roman, Javier Lopez, Cristina Alcaraz

Universidad de Málaga

Spain

References

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