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This paper presents a novel quality-of-service (QoS) management system for SDN networks with the feature of distributing bandwidth for applications in different slicing networks. Thus, the applications in different sliced networks (different divisions of an enterprise) can have different bandwidth management policies. The proposed system is also integrated into a vCPE framework to achieve network...
To provide the reliable connectivity between two endpoints over the Internet, a firewall cluster for stateful high availability removes the single-point failure by replicating and maintaining TCP connection states to a backup firewall node, at the expense of the costs of network and system resources. In this paper, through trace-based simulations on a prototype implementation, we evaluate the overheads...
Stateful tracking is a popular technique in firewall filtering and state replication is used to provide reliable connectivity. This paper proposes a new approach for improving existing state replication protocols which ensure state consistency amongst the nodes of a stateful HA cluster. Our goal is to develop a new scheme which reduces the update overhead in the face of both low and high connection...
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