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GHL Algorithm Extension Based on a New Technique of Reducing Congestion in OBS Networks
Fahd Loukdache,Said Elhajji,Abdellatif El Ghazi 보안공학연구지원센터 2015 International Journal of Software Engineering and Vol.9 No.9
Optical networks have known a great attention from researchers in the field of telecommunication due to the bandwidth offered. OBS compared to OCS and OPS allow a better use of bandwidth and an effective management of resources. Despite the advantages of OBS networks, they suffer from data loss due to contention and congestion. Given a number of channels on a link, choosing the erroneous number of control channels – depending on the traffic load – can lead to congestion in the control channels; whereas a good choice of the number of control channels allows increasing the rate of the control packet service. In this work, we propose to improve the GHL algorithm into a new one called “GHL +” based on a new congestion reduction technique in the control channels.