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In Software Defined Networking (SDN), the configuration inconsistency during updates is one main source of network instability. An efficient updating scheme with configuration consistency is required. In this paper, we propose the scheme of Fast Incremental Consistent Update for SDN (FICUS) based on the relation graph (RG). In our scheme, we analyse the relation between update operations, construct...
Current Internet packet forwarding only relies on destination IP address and thus neglects the validation of packet's IP source address for Internet accountability, which incurs many cyber-security threats. State-of-the-art solutions either have issues in spoofing packet filtering accuracy, e.g., false positive and false negative, or encounter scalability and deployment problems, i.e., end-host TCP/IP...
Packet forwarding anomaly is an abnormal network state where flows are forwarded along wrong paths. Current practice of forwarding anomaly detection in Software Defined Networks (SDN) is achieved by sending probing packets or analyzing flow statistics. However, these approaches are not effective and efficient. For example, the probing approaches cannot capture all attacks, and the statistics approaches...
In Software Defined Networks (SDN), the configuration inconsistency during updates is one main source of network instability. Even if the validity of the initial and final configurations is guaranteed, the interim complex and inconstant network states might cause routing conflicts and transmission disruption. Therefore, an efficient updating scheme of configuration consistency is required. Current...
P2P application has accounted a large proportion of the total Internet traffic. However, existing P2P topology formation protocols always assume a homogeneous environment or neglect the underlying Internet topology. These methods will increase inter-domain traffic so that ISPs always restrict the P2P traffic and current neighbor selection procedure always randomly chooses a peer as its neighbor probably...
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