Trust-aware and Cooperative Routing Protocol for IoT Security (2020)
Journal Article
Djedjig, N., Tandjaoui, D., Medjek, F., & Romdhani, I. (2020). Trust-aware and Cooperative Routing Protocol for IoT Security. Journal of Information Security and Applications, 52, Article 102467. https://doi.org/10.1016/j.jisa.2020.102467

The resource-constrained nature of IoT objects makes the Routing Protocol for Low-power and Lossy Networks (RPL) vulnerable to several attacks. Although RPL specification provides encryption protection to control messages, RPL is still vulnerable to... Read More about Trust-aware and Cooperative Routing Protocol for IoT Security.

Addressing the DAO Insider Attack in RPL’s Internet of Things Networks (2018)
Journal Article
Ghaleb, B., Al-Dubai, A., Ekonomou, E., Qasem, M., Romdhani, I., & Mackenzie, L. (2019). Addressing the DAO Insider Attack in RPL’s Internet of Things Networks. IEEE Communications Letters, 23(1), 68-71. https://doi.org/10.1109/LCOMM.2018.2878151

In RPL routing protocol, the DAO (Destination Advertisement Object) control messages are announced by the child nodes to their parents to build downward routes. A malicious insider node can exploit this feature to send fake DAOs to its parents period... Read More about Addressing the DAO Insider Attack in RPL’s Internet of Things Networks.

A Novel Adaptive and Efficient Routing Update Scheme for Low-Power Lossy Networks in IoT (2018)
Journal Article
Ghaleb, B., Al-Dubai, A., Ekonomou, E., Romdhani, I., Nasser, Y., & Boukerche, A. (2018). A Novel Adaptive and Efficient Routing Update Scheme for Low-Power Lossy Networks in IoT. IEEE Internet of Things Journal, 5(6), 12. https://doi.org/10.1109/JIOT.2018.2862364

In this paper, we introduce Drizzle, a new algorithm for maintaining routing information in the Low-power and Lossy Networks (LLNs). The aim is to address the limitations of the currently standardized routing maintenance (i.e. Trickle algorithm) in s... Read More about A Novel Adaptive and Efficient Routing Update Scheme for Low-Power Lossy Networks in IoT.

Reliable and Energy-Efficient Two Levels Unequal Clustering Mechanism for Wireless Sensor Networks (2018)
Presentation / Conference Contribution
Ali, A. E., Al-Dubai, A., Romdhani, I., & Eshaftri, M. (2018, June). Reliable and Energy-Efficient Two Levels Unequal Clustering Mechanism for Wireless Sensor Networks. Paper presented at The 16th IEEE International Conference on Smart City (IEEE SmartCity-2018)

In Wireless Sensor Networks, clustering sensor nodes into disjoint groups is widely used to achieve load balance and increase network lifetime. In particular, traditional unequal clustering approaches where small clusters located close to the base st... Read More about Reliable and Energy-Efficient Two Levels Unequal Clustering Mechanism for Wireless Sensor Networks.

Drizzle Algorithm (2018)
Report
Ghaleb, B., Al-Dubai, A., Romdhani, I., & Qasem, M. (2018). Drizzle Algorithm. USA: IETF

Trickle algorithm used in RPL routing protocol suffers from some issues related to power, network convergence time and overhead and
load-distribution. To optimize this algorithm for Low-power and Lossy Networks (LLNs), a new algorithm called Dr... Read More about Drizzle Algorithm.

Reliability and Energy Efficiency Enhancement for Emergency-Aware Wireless Body Area Networks (WBANs) (2018)
Journal Article
Salayma, M., Al-Dubai, A., Romdhani, I., & Nasser, Y. (2018). Reliability and Energy Efficiency Enhancement for Emergency-Aware Wireless Body Area Networks (WBANs). IEEE Transactions on Green Communications and Networking, 2(3), 804-816. https://doi.org/10.1109/tgcn.2018.2813060

Medium Access Control (MAC) protocols based on Time Division Multiple Access (TDMA) can improve the reliability and efficiency of WBAN. However, traditional static TDMA techniques adopted by IEEE 802.15.4 and IEEE 802.15.6 do not sufficiently conside... Read More about Reliability and Energy Efficiency Enhancement for Emergency-Aware Wireless Body Area Networks (WBANs).

Load Balancing Objective Function in RPL draft-qasem-roll-rpl-load-balancing-01 (2018)
Report
Qasem, M., Al-Dubai, A., Romdhani, I., & Ghaleb, B. (2018). Load Balancing Objective Function in RPL draft-qasem-roll-rpl-load-balancing-01. USA: IETF

This document proposes an extended Objective Function(OF) that balances the number of children nodes of the parent nodes to avoid the overloading problem and ensure node lifetime maximization in the IPv6 Routing Protocol for Low-Power and Lossy Net... Read More about Load Balancing Objective Function in RPL draft-qasem-roll-rpl-load-balancing-01.

Load Balancing Objective Function in RPL (Draft 2) (2017)
Report
Qasem, M., Al-Dubai, A., Romdhani, I., Ghaleb, B., Hou, J., & Jadhav, R. A. (2017). Load Balancing Objective Function in RPL (Draft 2). USA: IETF

This document proposes an extended Objective Function(OF) that balances the number of child nodes of the parent nodes to avoid the overloading problem and ensure node lifetime maximization in the IPv6 Routing Protocol for Low-Power and Lossy Ne... Read More about Load Balancing Objective Function in RPL (Draft 2).

Wireless Body Area Network (WBAN): A Survey on Reliability, Fault Tolerance, and Technologies Coexistence (2017)
Journal Article
Salayma, M., Al-Dubai, A., Romdhani, I., & Nasser, Y. (2017). Wireless Body Area Network (WBAN): A Survey on Reliability, Fault Tolerance, and Technologies Coexistence. ACM computing surveys, 50(1), Article 3. https://doi.org/10.1145/3041956

Wireless Body Area Network (WBAN) has been a key element in e-health to monitor bodies. This technology enables new applications under the umbrella of different domains, including the medical field, the entertainment and ambient intelligence areas. T... Read More about Wireless Body Area Network (WBAN): A Survey on Reliability, Fault Tolerance, and Technologies Coexistence.

Securing the Internet of Things (2017)
Book
Romdhani, I. (2017). S. Li, & L. Da Xu (Eds.), Securing the Internet of Things. Elsevier

Key Features

Helps researchers and practitioners understand the security architecture in IoT and the state-of-the-art in IoT security countermeasures
Explores how the threats in IoT are different from traditional ad hoc or infrastructural network... Read More about Securing the Internet of Things.

3LS-authenticate: an e-commerce challenge-response mobile application. (2016)
Presentation / Conference Contribution
Molla, R., Romdhani, I., & Buchanan, B. (2016, November). 3LS-authenticate: an e-commerce challenge-response mobile application. Paper presented at 13th ACS/IEEE International Conference on Computer Systems and Applications AICCSA 2016

The rapid growth of e-commerce has been associated with a number of security concerns, which challenge its continual success. In view of this, an investigative study determining the most secure and convenient solution to protect online clients has be... Read More about 3LS-authenticate: an e-commerce challenge-response mobile application..

Cooja Simulator Manual (2016)
Report
Thomson, C., Romdhani, I., Al-Dubai, A., Qasem, M., Ghaleb, B., & Wadhaj, I. (2016). Cooja Simulator Manual. Edinburgh: Edinburgh Napier University

While Cooja has been proven to be an ideal tool for the simulation of RPL in WSNs, there are challenges involved in its use, particularly in regard to a lack of documentation. The Contiki website provides an image of Instant Contiki which can then be... Read More about Cooja Simulator Manual.

Password Pattern and Vulnerability Analysis for Web and Mobile Applications (2016)
Journal Article
Li, S., Romdhani, I., & Buchanan, W. (2016). Password Pattern and Vulnerability Analysis for Web and Mobile Applications. ZTE Communications, 14, 32-36. https://doi.org/10.3969/j.issn.1673-5188.2016.S0.006

Text⁃based passwords are heavily used to defense for many web and mobile applications. In this paper, we investigated the patterns and vulnerabilities for both web and mobile applications based on conditions of the Shannon entropy, Guessing entropy a... Read More about Password Pattern and Vulnerability Analysis for Web and Mobile Applications.

An agility-oriented and fuzziness-embedded semantic model for collaborative cloud service search, retrieval and recommendation (2015)
Journal Article
Fang, D., Liu, X., Romdhani, I., Jamshidi, P., & Pahl, C. (2016). An agility-oriented and fuzziness-embedded semantic model for collaborative cloud service search, retrieval and recommendation. Future Generation Computer Systems, 56, 11-26. https://doi.org/10.1016/j.future.2015.09.025

Cloud computing enables a revolutionary paradigm of consuming ICT services. However, due to the inadequately described service information, users often feel confused while trying to find the optimal services. Although some approaches are proposed to... Read More about An agility-oriented and fuzziness-embedded semantic model for collaborative cloud service search, retrieval and recommendation.

An approach to unified cloud service access, manipulation and dynamic orchestration via semantic cloud service operation specification framework (2015)
Journal Article
Fang, D., Liu, X., Romdhani, I., & Pahl, C. (2015). An approach to unified cloud service access, manipulation and dynamic orchestration via semantic cloud service operation specification framework. Journal of cloud computing: advances, systems and applications, 4(1), https://doi.org/10.1186/s13677-015-0039-3

Cloud computing offers various computational resources via convenient on-demand service provision. Currently, heterogeneous services and cloud resources are usually utilized and managed through diverse service portals. This significantly limits the e... Read More about An approach to unified cloud service access, manipulation and dynamic orchestration via semantic cloud service operation specification framework.

Mobile User Authentication System for E-commerce Applications. (2014)
Presentation / Conference Contribution
Molla, R., Romdhani, I., Buchanan, W. J., & Fadel, E. Y. (2014, June). Mobile User Authentication System for E-commerce Applications. Paper presented at International Conference on Advanced Networking, Distributed Systems and Applications 2014

E-commerce applications provide on-line clients and merchants with a quick and convenient way to exchange goods and services. However, the deployment of these applications is still facing many problems such as security threats; and on-line attacks. T... Read More about Mobile User Authentication System for E-commerce Applications..

Towards OWL 2 Natively Supported Fuzzy Cloud Ontology (2012)
Presentation / Conference Contribution
Fang, D., Liu, X., Romdhani, I., & Zhao, H. (2012, July). Towards OWL 2 Natively Supported Fuzzy Cloud Ontology. Presented at 2012 IEEE 36th Annual Computer Software and Applications Conference Workshops

Cloud Computing introduces a revolutionary paradigm of computing to Service Oriented Architecture (SOA), by provisioning various types of computational resources and applications as on-demand services. While presenting cloud services semantically usi... Read More about Towards OWL 2 Natively Supported Fuzzy Cloud Ontology.

Experimental investigation of link layer adaptation in IEEE 802.11n WLANs (2012)
Presentation / Conference Contribution
Al-Adhami, M., Al-Dubai, A. Y., & Romdhani, I. (2012). Experimental investigation of link layer adaptation in IEEE 802.11n WLANs. In 11th IEEE International Wireless Telecommunications Symposium (1-7). https://doi.org/10.1109/wts.2012.6266144

Due to its low cost wireless communication methodology and improvements in both its physical (PHY) and MAC (Link) layers, the IEEE 802.11n wireless LAN (WLAN) technology has been adopted widely. However, fairness of current 802.11n rate adaptation (R... Read More about Experimental investigation of link layer adaptation in IEEE 802.11n WLANs.

Patent: A new addressing scheme for multicast IP with an extended scope field to include access rights. (2010)
Patent
Romdhani, I. (2010). Patent: A new addressing scheme for multicast IP with an extended scope field to include access rights

Security and Routing Scoped IP Multicast Addresses (2009)
Presentation / Conference Contribution
Romdhani, I., Al-Dubai, A., & Kellil, M. (2009). Security and Routing Scoped IP Multicast Addresses. In International Conference on Parallel Processing Workshops, 2009. ICPPW '09 (228-235). https://doi.org/10.1109/icppw.2009.81

IP multicast is an efficient and scalable network layer delivering method for multimedia content to a large number of receivers across the Internet. It saves the network bandwidth and optimizes the processing overhead of the source. However, current... Read More about Security and Routing Scoped IP Multicast Addresses.