http://www.cnr.it/ontology/cnr/individuo/prodotto/ID83712

Time-continuous Authorization of Network Resources based on Usage Control (Contributo in atti di convegno)

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Time-continuous Authorization of Network Resources based on Usage Control (Contributo in atti di convegno) (literal)

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Martinelli F.; Lazouski A.; Mori P. (2010)
Time-continuous Authorization of Network Resources based on Usage Control
in 21st Tyrrhenian Workshop on Digital Communications: Trustworthy Internet, Isola di Ponza
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In: ITWDC10 - 21st Tyrrhenian Workshop on Digital Communications: Trustworthy Internet (Isola di Ponza, 6-8 September 2010). Proceedings, 2010. (literal)

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ABSTRACT: Authorization systems regulate the access to network resources, e.g., bandwidth-guaranteed circuits traversing nodes and links and shared among different media streams, assuring that only admitted data streams use the assigned resources. Traditional access control models were not designed to cope with changes that may occur in the attributes of the user, of the resource or of the environment after the access has been granted. However, in order to prevent misuse and fraud, it is important to extend the control on these attributes after the authorization decision is taken, i.e, during the actual usage of such resources. This control is particularly crucial for network resources because an abuse might cause the degradation of QoS performance for lawful admitted media streams and expose the network to Denial of Service attacks. This paper integrates an authorization system based on the Usage Control model (UCON) in the network service provisioning scenario, to enhance the evaluat (literal)

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