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A New Ethernet Switching Based on Extended Shortcut Switching Strategy
Farhad Faghani,Ghasem Mirjalily 대한전자공학회 2017 대한전자공학회 학술대회 Vol.2017 No.1
Spanning Tree Protocol is a layer-2 IEEE approved standard that provides a loop-free forwarding topology in Ethernet networks. In STP some links are active and the others are blocked. This guarantees only one route between each node pair. As in STP there is not any traffic engineering mechanism for load balancing, these results in uneven load distribution and bottlenecks especially close to the Root. In this paper we propose a new forwarding strategy based on using Shortcut Switching Strategy and hierarchical addressing and we will show we can achieve better results in comparison with STP.
A Survey on Void Handling Techniques for Geographic Routing in VANET Network
Sanaz Parvin,Dr. Mehdi Agha Sarram,Dr. Ghasem Mirjalily,Dr. Fazlollah Adibnia 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.2
Geographic routing exerts geographic information to select the next-hop along the route to the destination. Greedy forwarding is a geographic routing mechanism that uses geographical location information of nodes and the distance of each node to the destination, to select next-hop node that achieve the most positive movement to the destination. Where greedy forwarding is not possible, it can be said a void occurred. In this case, if there is no an alternative mechanism, packets are easily removed. Hence a void-handling technique is need to continue routing and recovery greedy forwarding. There is a possibility of void in all types of wireless networks including vehicular ad hoc network (VANET). In this article we introduce void problem and present a survey on varied void-handling techniques which are suitable for VANET networks. At the end, we provide a comparative survey of these techniques based on some important features that are effective on the network performance.