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In Software Defined Networking (SDN), the severe conflict between rule number and memory size has attracted considerable academic attention. Ternary Content Addressable Memory (TCAM), generally used to guarantee the query speed, is a scarce and expensive resource, which limits the number of rules that the switch can support. However, the table miss may increase processing burden of the controller...
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...
Link flooding attack (LFA), as a new type of DDoS attack, can degrade or even cut off network connectivity of a target area. This attack employs legitimate, low-density flows to flood a group of selected links. Therefore, these malicious flows can hardly be distinguished by traditional schemes. In this paper, we propose a scheme called Woodpecker, which makes the LFA more difficult to take effect...
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