You are cordially invited to attend the following seminar on Wed. 23 March 2016, 2:30 pm, Room 22-119

 

 

 

Title: Mitigating Fraudulent Economic Denial of Sustainability (EDoS)Attack in Cloud Systems

 

Abstract: Fraudulent EDoS is a subtle attack that exploits the auto-scaling feature of the cloud by sending a moderate number of requests per user that do not violate the EDoS attack threshold, to deplete the cloud resources fraudulently. Fraudulent EDoS attacker can avoid an EDoS mitigation technique that is based on rate limiting to a certain maximum number of requests per time per user by sending a moderate number of requests from each user that do not cross the rate limit threshold. In this work an enhanced approach is proposed to accelerate the detection and reduce the effect of the Fraudulent EDoS attack in cloud systems. An additional component called VMTest has been added to the architecture to reduce the effect of the attack against the cloud services.

 

Biography: Ahmad Ali Bawazir is a KFUPM master student, studying computer networks. My Interest is in performance evaluation of multi hop internet protocols.

 

 

 

Title: Multi-hop Wireless Network: A Comparative Study for Routing Protocols Using OMNET++ Simulator

 

Abstract: The growth of ad hoc networks which occurred in the last few years results in an improvement in routing protocols to handle multi-hop communications. The multi-hop communication is the most suitable solution to overcome the limitation of transmission range of mobile terminals. The selection of routing protocol among the existing ones is a crucial issue, and based on its performance. Thus, in this work the performance of four well-known routing protocols named DSR, AODV, OLSR and DSDV was evaluated based on ad hoc network size (number of nodes). In this paper, we have achieved several simulation scenarios to estimate the performance of the mentioned protocols. Results have been achieved by using OMNet++ simulator and we have considered three metrics: end-to-end delay, collision and packet delivery ratio for comparison purpose. The metrics are compared with respect to the number of nodes which have directly affected the number of hops.

 

Biography: Ghashmi Bin Talib obtained the BS degree in electronics engineering from Yarmouk University, Jordan, and MS degree in computer engineering from The Jordan University of Science and Technology, Jordan. Currently, he is a PhD student in CSE Collage at KFUPM. His current areas of interest include: Ad hoc and wireless networks, digital arithmetic circuits, and digital system design and testing.

 

 

Thank you.

Dr. Alaaeldin Amin(COE)

Dr. Kanaan Faisal (ICS)