Access control is one of the building blocks of network security and is often managed by
network administrators through the definition of sets of high-level policies meant to regulate …

The realm of cybersecurity is perhaps one of the most quickly evolving areas within today's
research space. New and emerging technologies, as well as the growth of cybersecurity …

Software-Defined Networking (SDN) is a dynamic, adaptable, controllable and flexible
network architecture. It provides an extensible platform for delivery of network services …

We describe a method for policy refinement. The refinement process involves stages of
decomposition, operationalization, deployment and re-refinement, and operates on policies …

Green sustainability-oriented features have become common in network nodes and
protocols. Running a network in an energy-efficient way is an important concern of network …

This paper introduces a framework and a methodology to manage a SaaS application on top
of a PaaS infrastructure. This framework utilizes PaaS policy sets to implement the SaaS …

Abstract Software-Defined Networking (SDN) provides a more sophisticated and flexible
architecture for managing and monitoring network traffic. SDN moves part of the decision …

In this paper, we describe a framework for a refinement scheme located in a centralized
policy server that consists of three components: a knowledge database, a refinement rule …

In existing usage control policy frameworks, policies consisting of authorizations and
obligations are specified at a low level of abstraction. As a consequence, these policy …

Usage control is concerned with how data is used after access to it has been granted. In
existing usage control enforcement frameworks, policies are assumed to exist and the …