Abstract
The information technology sector has experienced phenomenal growth during recent years. To follow this development many new technologies have emerged to satisfy the expectations of businesses and customers, such as Cloud Computing, mobility, virtualization, Internet of things and big data. Traditional network cannot longer support this growth and suffers more and more in terms of misconfiguration,management and configurations complexity. Software defined network (SDN) architectures can be considered as a big revolution in the field of computer networks, because they offer a centralized control on infrastructure, services and the applications deployed which facilitate configuration and management on the network. The implementation of this type of architecture is not obvious and requires great expertise and good handling and management of network equipment. To remedy this problem the SDN architectures have evolved towards distributed and hybrid architectures. Despites the advantages of using SDN, security issues remain a real obstacle in front of the deployment of this type of architecture. The centralized architecture of this type of networks makes it vulnerable to several types of attacks and intrusions, and the implementation of security equipment generally causes a decrease in performance and increase latency.
Highlights
According to CISCO [1] more than 50 trillion devices will be connected by 2020, 80% enterprise applications are deployed in the cloud and more than 2 million applications available between 2014 and 2016
NIPS Server Module: In this module we propose the use of a network intrusion detection server adapted to an Software defined network (SDN) environment to inspect the transiting packets in the network
State full Firewall Module: In this module we propose the use of a state full firewall adapted to an SDN environment to filter the transiting packets in the network
Summary
According to CISCO [1] more than 50 trillion devices will be connected by 2020, 80% enterprise applications are deployed in the cloud and more than 2 million applications available between 2014 and 2016 This expansion of information technology has given rise to several challenges such as the security of computer networks, lower bandwidth cost, and the good deployment of new technologies and the management of network performance. Software defined networks (SDN) is a new software centric approach to networking that reduces capital and operational cost through programmatic control of network infrastructure, facilitating customization, optimization, and innovation [2,3] This new network model offers several advantages in terms of policy driven, automation and agility which make it easy to support the adoption of all kinds of technologies, services and applications.
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