Title	Study, Evaluation and Measurement of 802.11e and 802.16e Quality of Service Mechanisms in the Context of a Vertical Handover Case of Real Time Applications
Author	Azeddine KHIAT, Ayoub BAHNASSE, Mohamed EL KHAILI, Jamila BAKKOURY
Citation	Vol. 17  No. 2  pp. 119-130
Keywords	802.16e 802.11e VOIP QoS UGS RTPS DCF PCF HCF Video Conferencing Vertical handover OPNET Modeler.

Title	SAQ-2HN: A Novel SDN-Based Architecture for the Management of Quality of Service in Homogeneous and Heterogeneous Wireless Networks
Author	Azeddine KHIAT, Ayoub BAHNASSE, Mohamed EL KHAILI, Jamila BAKKOURY
Citation	Vol. 17  No. 3  pp. 55-64
Keywords	SDN, QoS, Handover, Heterogeneous Networks, Homogeneous Networks, Wireless, WiMAX, WiFi.

Title	Evaluation of tunnel layer impact on VOIP performances (IP – MPLS – MPLS VPN – MPLS VPN IPsec)
Author	Faycal Bensalah, Najib El Kamoun, Ayoub BAHNASSE
Citation	Vol. 17  No. 3  pp. 87-92
Keywords	IP, VPN, MPLS VPN, IPsec MPLS, VOIP, GNS3, IP SLA, Scalability.

Title	A Comparison of VoIP Performance Evaluation on different environments Over VPN Multipoint Network
Author	Adel Alharbi, Ayoub Bahnasse, and Mohamed Talea
Citation	Vol. 17  No. 4  pp. 123-128
Keywords	VPN multipoint, VoIP, Delay, Jitter, Packet loss, MOS, Simulation, Emulation, Security