1. 17th International Conference on E-health Networking, Applications & Services
Healthcom 2015
Boston, USA
On Resilience of Wireless Mesh Routing Protocol against DoS Attacks in IoT-based Ambient Assisted Living Applications
Shaker Alanazi
Jalal Al-Muhtadi
Abdelouahid Derhab
Kashif Saleem
Center of Excellence in Information Assurance (CoEIA)
King Saud University (KSU)
Riyadh, Saudi Arabia
Joel J.P.C Rodrigues
Instituto de Telecomunicações, University of Beira Interior, Covilhã, Portugal
King Saud University, Riyadh, Kingdom of Saudi Arabia
Afnan N. AlRomi
Hanan S. Alholaibah
National Center for Cyber Security Technology,
King Abdulaziz City for Science and Technology (KACST),
Riyadh, Kingdom of Saudi Arabia

2. Outline Introduction Related Work & Comparative Studies
Implementation and Simulation Results
Conclusion
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3. Introduction IoT-based AAL Application
internet of things IoT consists of all kinds of smart objects such as: sensors, actuators, RFID, smartphones, and home appliances
combination of wireless sensor networks (WSNs) and wireless mesh network (WMN)
mesh clients or mesh router.
AAL refers to intelligent systems of assistance for a better, healthier and safer life in the individual’s preferred living environment.
Figure depicts an architecture of IoT-based AAL application
Explain server side jobs and sensors side and hand held devices and how they connect

4. An Adversary Spoofing a Routing Update
Introduction
Network Layer Attacks
A Malicious Node with Multiple Identities Arise Sybil Attack
Selective Forwarding Attack by
a) Single Malicious Node, b) Two Malicious Nodes
Express bit about network layer attacks
Hello Flood Attack
An Adversary Spoofing a Routing Update

5. Introduction This Research Paper
A Comparative Studies most suitable secure mesh routing protocol.
The resilience of PASER against DoS attacks is studied with more focus on the hello flooding attacks.
PARSER is simulated and evaluated in terms of packet delivery ratio, delay and throughput.
Moreover the study consider the mobility factor and its impact on the security by simulating scenarios with mobile nodes.

6. Related Work & Comparative Studies
14. R. Matam and S. Tripathy, "Provably Secure Routing Protocol for Wireless Mesh Networks.," International Journal of Network Security, vol. 16.3, pp , 2014
15. H. Lin, J. Hu, J. Ma, L. Xu and A. Nagar, "A role based privacy-aware secure routing protocol for wireless mesh networks.," Wireless Personal Communications, vol. 75.3, pp , 2014.
17. J. Ben‐Othman and Y. I. S. Benitez, "IBC‐HWMP: a novel secure identity‐based cryptography‐based scheme for Hybrid Wireless Mesh Protocol for IEEE s.," Concurrency and Computation: Practice and Experience, vol. 25.5, pp , 2013
18. H. Wen and G. Luo., "Wormhole Attacks Detection and Prevention Based on 2-Hop Neighbor in Wireless Mesh Networks⋆," Information & Computational Science, vol. 1014, pp , 2013
19. M. Sbeiti, A. Wolff and C. Wietfeld, "PASER: Position Aware Secure and Efficient Route Discovery for Wireless Mesh Networks," in nternational Conference on Emerging Security Information, Systems and Technologies - SECURWARE, Nice/Saint Laurent du Var, France, 2011.

7. Related Work & Comparative Studies
Comparison Demonstrates
Previously, have difficulty to avail the simulation based WMN implementation with network layer attacks.
In addition, the mobility factor has also not been considered while proposing the secure routing protocols for WMN.
Lacks in comprehensive analysis for the most important attacks in WMN that can cause DoS problem.
PASER support real-time communication
And is designed to support rescue and emergency operations.
14. R. Matam and S. Tripathy, "Provably Secure Routing Protocol for Wireless Mesh Networks.," International Journal of Network Security, vol. 16.3, pp , 2014
15. H. Lin, J. Hu, J. Ma, L. Xu and A. Nagar, "A role based privacy-aware secure routing protocol for wireless mesh networks.," Wireless Personal Communications, vol. 75.3, pp , 2014.
17. J. Ben‐Othman and Y. I. S. Benitez, "IBC‐HWMP: a novel secure identity‐based cryptography‐based scheme for Hybrid Wireless Mesh Protocol for IEEE s.," Concurrency and Computation: Practice and Experience, vol. 25.5, pp , 2013
18. H. Wen and G. Luo., "Wormhole Attacks Detection and Prevention Based on 2-Hop Neighbor in Wireless Mesh Networks⋆," Information & Computational Science, vol. 1014, pp , 2013
19. M. Sbeiti, A. Wolff and C. Wietfeld, "PASER: Position Aware Secure and Efficient Route Discovery for Wireless Mesh Networks," in nternational Conference on Emerging Security Information, Systems and Technologies - SECURWARE, Nice/Saint Laurent du Var, France, 2011.

8. Implementation

9. Implementation

10. Simulation Results
PASER Performance under the following five scenarios:
Network without any mobile node
Network with one mobile node
Network with two mobile nodes
Network with three mobile nodes
Network with four mobile nodes

11. Simulation Results
Hello flooding attacks on stationary and mobile network is measured.
• S1: Network without any malicious node.
• S2: Network with two malicious nodes, one of them is mobile.
• S3: Network with three malicious nodes, two of them are mobile.
• S4: Network with four malicious nodes, three of them are mobile.

12. Conclusion
We have selected PASER as the the most suitable secure mesh routing protocol for IoT-based AAL applications.
We have studied the resilience of PASER against DoS attacks by focusing on the hello flood attack.
Simulation results have shown that PARSER is totally resilient against the hello flood attack, and
can be one of the best candidates to secure the data routing in IoT-based AAL applications.

13. Acknowledgement This Project is fully supported by
The National plan of Science, Technology and Innovation (MAARIFAH), King Abdulaziz City for Science and Technology, Kingdom of Saudi Arabia, Award Number (12-INF ) and
Partially by
The Instituto de Telecomunicações, Next Generation Networks and Applications Group (NetGNA), Portugal,
by the Visiting Professor Program at King Saud University, and
by National Funding from the FCT -Fundação para a Ciência e a Tecnologia through the UID/EEA/500008/2013 Project.
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14. -: Thank you :- Any Questions ? shaker.alanazi@gmail.com