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In the previous study of dynamic packet filtering technique, Counting Bloom Filter (CBF) algorithm was adopted to implement the filtering rule's adding and deleting dynamically. However, the drawbacks of CBF, i.e., low memory utilization, limited rule capacity and high false positive rate, are obvious. In this paper, d-left Counting Bloom Filter (d-left CBF) algorithm is exploited to improve the performance...
Access control is a significant concept in the fields of information security. However, to date, it is still difficult to design an effective access control mechanism to support numerous users incorporating numerous different roles. In this paper, we present a hierarchy controllable user access control model based on traditional RBAC (HCRBAC). The permission lock technique which can effectively control...
As technologies such as symmetrical multiprocessing (SMP) and multicore processor (MCP) advanced, more and more computational cores are contained in one node. Therefore, parallel applications running on a cluster can exchange data among processes through either intra-node or inter-node communication. This gives rise to the question of how much network bandwidth impact on parallel computing performance...
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