The Experts below are selected from a list of 46722 Experts worldwide ranked by ideXlab platform
Hannu Flinck - One of the best experts on this subject based on the ideXlab platform.
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coalitional game for the creation of efficient virtual core network slices in 5g mobile systems
IEEE Journal on Selected Areas in Communications, 2018Co-Authors: Miloud Bagaa, Adlen Ksentini, Tarik Taleb, Abdelquoddouss Laghrissi, Hannu FlinckAbstract:Many ongoing research activities relevant to 5G mobile systems concern the virtualization of the mobile core network, including the evolved packet core (EPC) elements, aiming for system scalability, elasticity, flexibility, and cost-efficiency. Virtual EPC (vEPC)/5G core will principally rely on some key technologies, such as network function virtualization, software defined networking, and cloud computing, enabling the concept of mobile carrier cloud. The key idea beneath this concept, also known as core network as a service, consists in deploying virtual instances (i.e., virtual machines or containers) of key core network functions [i.e., virtual network functions (VNF) of 4G or 5G], such as the mobility Management entity (MME), Serving GateWay (SGW), Packet Data network gateWay (PGW), access and mobility Management function (AMF), Session Management function (SMF), authentication server function (AUSF), and user plane functions, over a federated cloud. In this vein, an efficient VNF placement algorithm is highly needed to sustain the quality of service (QoS) while reducing the deployment cost. Our contribution in this paper is twofold. First, we devise an algorithm that derives the optimal number of virtual instances of 4G (MME, SGW, and PGW) or 5G (AMF, SMF, and AUSF) core network elements to meet the requirements of a specific mobile traffic. Second, we propose an algorithm for the placement of these virtual instances over a federated cloud. While the first algorithm is based on mixed integer linear programming, the second is based on coalition formation game, wherein the aim is to build coalitions of cloud networks to host the virtual instances of the vEPC/5G core elements. The obtained results clearly indicate the advantages of the proposed algorithms in ensuring QoS given a fixed cost for vEPC/5G core deployment, while maximizing the profits of cloud operators.
Miloud Bagaa - One of the best experts on this subject based on the ideXlab platform.
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coalitional game for the creation of efficient virtual core network slices in 5g mobile systems
IEEE Journal on Selected Areas in Communications, 2018Co-Authors: Miloud Bagaa, Adlen Ksentini, Tarik Taleb, Abdelquoddouss Laghrissi, Hannu FlinckAbstract:Many ongoing research activities relevant to 5G mobile systems concern the virtualization of the mobile core network, including the evolved packet core (EPC) elements, aiming for system scalability, elasticity, flexibility, and cost-efficiency. Virtual EPC (vEPC)/5G core will principally rely on some key technologies, such as network function virtualization, software defined networking, and cloud computing, enabling the concept of mobile carrier cloud. The key idea beneath this concept, also known as core network as a service, consists in deploying virtual instances (i.e., virtual machines or containers) of key core network functions [i.e., virtual network functions (VNF) of 4G or 5G], such as the mobility Management entity (MME), Serving GateWay (SGW), Packet Data network gateWay (PGW), access and mobility Management function (AMF), Session Management function (SMF), authentication server function (AUSF), and user plane functions, over a federated cloud. In this vein, an efficient VNF placement algorithm is highly needed to sustain the quality of service (QoS) while reducing the deployment cost. Our contribution in this paper is twofold. First, we devise an algorithm that derives the optimal number of virtual instances of 4G (MME, SGW, and PGW) or 5G (AMF, SMF, and AUSF) core network elements to meet the requirements of a specific mobile traffic. Second, we propose an algorithm for the placement of these virtual instances over a federated cloud. While the first algorithm is based on mixed integer linear programming, the second is based on coalition formation game, wherein the aim is to build coalitions of cloud networks to host the virtual instances of the vEPC/5G core elements. The obtained results clearly indicate the advantages of the proposed algorithms in ensuring QoS given a fixed cost for vEPC/5G core deployment, while maximizing the profits of cloud operators.
K Venkataramana - One of the best experts on this subject based on the ideXlab platform.
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client centric model for secure Session Management for saas in cloud environment
Social Science Research Network, 2018Co-Authors: Ramesh G Babu, K VenkataramanaAbstract:Now days Cloud computing is playing major role in IT Sector in terms of reducing expenditure and also playing major part in earning revenue but security and privacy issues making clients in doubt of adapting Cloud environment. Since cloud environment is new which contains three parties (i.e., Cloud service user, Cloud service provider/Cloud user, Cloud provider) the way of protecting the users private information will be different which may not be same as in older web application environments. For this reason, we propose in this paper that at the time of Service Level Agreement (SLA) provider provides online registered Software Component (SC) to be installed at the consumer (Client side) as add-on or as a software component as part of Browser (runtime component) which will have an unique-id and will be activated by the provider at the time of installation of component at client side over SSL protocol. The ID of the component is generated by an Application key or an enterprise key. When the client sends data (user-id, password, message) every time it is encrypted by SC along with ID by using Encryption scheme. So by using this mechanism we propose some of the solutions in this paper to Session Management and attacks at the client side in Cloud computing environment (SaaS).
Adlen Ksentini - One of the best experts on this subject based on the ideXlab platform.
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coalitional game for the creation of efficient virtual core network slices in 5g mobile systems
IEEE Journal on Selected Areas in Communications, 2018Co-Authors: Miloud Bagaa, Adlen Ksentini, Tarik Taleb, Abdelquoddouss Laghrissi, Hannu FlinckAbstract:Many ongoing research activities relevant to 5G mobile systems concern the virtualization of the mobile core network, including the evolved packet core (EPC) elements, aiming for system scalability, elasticity, flexibility, and cost-efficiency. Virtual EPC (vEPC)/5G core will principally rely on some key technologies, such as network function virtualization, software defined networking, and cloud computing, enabling the concept of mobile carrier cloud. The key idea beneath this concept, also known as core network as a service, consists in deploying virtual instances (i.e., virtual machines or containers) of key core network functions [i.e., virtual network functions (VNF) of 4G or 5G], such as the mobility Management entity (MME), Serving GateWay (SGW), Packet Data network gateWay (PGW), access and mobility Management function (AMF), Session Management function (SMF), authentication server function (AUSF), and user plane functions, over a federated cloud. In this vein, an efficient VNF placement algorithm is highly needed to sustain the quality of service (QoS) while reducing the deployment cost. Our contribution in this paper is twofold. First, we devise an algorithm that derives the optimal number of virtual instances of 4G (MME, SGW, and PGW) or 5G (AMF, SMF, and AUSF) core network elements to meet the requirements of a specific mobile traffic. Second, we propose an algorithm for the placement of these virtual instances over a federated cloud. While the first algorithm is based on mixed integer linear programming, the second is based on coalition formation game, wherein the aim is to build coalitions of cloud networks to host the virtual instances of the vEPC/5G core elements. The obtained results clearly indicate the advantages of the proposed algorithms in ensuring QoS given a fixed cost for vEPC/5G core deployment, while maximizing the profits of cloud operators.
Tarik Taleb - One of the best experts on this subject based on the ideXlab platform.
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coalitional game for the creation of efficient virtual core network slices in 5g mobile systems
IEEE Journal on Selected Areas in Communications, 2018Co-Authors: Miloud Bagaa, Adlen Ksentini, Tarik Taleb, Abdelquoddouss Laghrissi, Hannu FlinckAbstract:Many ongoing research activities relevant to 5G mobile systems concern the virtualization of the mobile core network, including the evolved packet core (EPC) elements, aiming for system scalability, elasticity, flexibility, and cost-efficiency. Virtual EPC (vEPC)/5G core will principally rely on some key technologies, such as network function virtualization, software defined networking, and cloud computing, enabling the concept of mobile carrier cloud. The key idea beneath this concept, also known as core network as a service, consists in deploying virtual instances (i.e., virtual machines or containers) of key core network functions [i.e., virtual network functions (VNF) of 4G or 5G], such as the mobility Management entity (MME), Serving GateWay (SGW), Packet Data network gateWay (PGW), access and mobility Management function (AMF), Session Management function (SMF), authentication server function (AUSF), and user plane functions, over a federated cloud. In this vein, an efficient VNF placement algorithm is highly needed to sustain the quality of service (QoS) while reducing the deployment cost. Our contribution in this paper is twofold. First, we devise an algorithm that derives the optimal number of virtual instances of 4G (MME, SGW, and PGW) or 5G (AMF, SMF, and AUSF) core network elements to meet the requirements of a specific mobile traffic. Second, we propose an algorithm for the placement of these virtual instances over a federated cloud. While the first algorithm is based on mixed integer linear programming, the second is based on coalition formation game, wherein the aim is to build coalitions of cloud networks to host the virtual instances of the vEPC/5G core elements. The obtained results clearly indicate the advantages of the proposed algorithms in ensuring QoS given a fixed cost for vEPC/5G core deployment, while maximizing the profits of cloud operators.
