In this paper, the potential security issues brought by the virtualization of a Software Defined Networks (SDN) would be analyzed. The virtualization of SDN is achieved by FlowVisor (FV). With FV, a physical network is divided into multiple isolated logical networks while the underlying resources are still shared by different slices (isolated logical networks). However, along with the benefits ...

A core business enterprise function is trading with other business organizations. Such trade relationships are governed by legal contracts. The obligations and fulfillment conditions as stipulated in a business contract demand performance of business activities in the pre-defined choreography. Non-performance could lead to serious legal and/or financial implications. Therefore, it is essential ...

With the ubiquitous deployment of large scale networks more and more complex human interactions are supported by computer applications. This poses new challenges on the expressiveness of security policy design systems, often requiring the use of new security paradigms. In this paper we identify a restricted type of obligation which is useful to express new security policies. This type of obliga...

Zakat is the primary means of communication between man and another in bermasyarat sake compose a harmonious humane life . The role , both property tithes would be more visible subtle implemented together with other instrumental value that usury. Obligation alms giving firm absolute top every Muslim, premises object income have fulfilled obligation zakat charity penunian -value embodied wisdom ...