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In this paper, a potential threat to reliability of Software Defined Networking (SDN) is disclosed: the cascading failures of controllers. Current SDN designs have widely utilized multiple controllers and the load of a failed controller can be redistributed to the other controllers. However, simply utilizing multiple controllers cannot protect SDN networks from a single point of failure: the load...
In this work, we outline how to enable Information-Centric Networking (ICN) on existing IP networks, such as ISP or data center networks, using Software-Defined Networking (SDN) functions and control. We describe a mechanism that requires neither new or extended network/L3 and transport/L4 protocols nor changes of ICN host network stacks, and supports aggregation of routes inside the SDN controlled...
Despite of various benefits such as load balance and energy saving virtual machine (VM) migration promises to provide, its application in realistic data centers is still limited due to the limitation of migration in the LAN environment and the unpredictable performance. Through separation of control plane and data plane, software defined network (SDN) provides the possibility for an alternate solution...
Video conferencing applications pose fundamentally different service requirements than traditional data traffic on the Internet. Strong real-time interactivity is very important among participants unlike video streaming in VoD applications. Requirements are even more stringent in multi-stream and multi-site teleimmersive applications due to strong dependencies across geographically distributed streams...
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