Warning: pg_query(): Query failed: ERROR: missing chunk number 0 for toast value 29512337 in pg_toast_2619 in /dati/webiit-old/includes/database.pgsql.inc on line 138 Warning: ERROR: missing chunk number 0 for toast value 29512337 in pg_toast_2619 query: SELECT data, created, headers, expire, serialized FROM cache_page WHERE cid = 'https://www-old.iit.cnr.it/node/16344' in /dati/webiit-old/includes/database.pgsql.inc on line 159 Warning: pg_query(): Query failed: ERROR: missing chunk number 0 for toast value 29512337 in pg_toast_2619 in /dati/webiit-old/includes/database.pgsql.inc on line 138 Warning: ERROR: missing chunk number 0 for toast value 29512337 in pg_toast_2619 query: SELECT data, created, headers, expire, serialized FROM cache_page WHERE cid = 'https://www-old.iit.cnr.it/node/16344' in /dati/webiit-old/includes/database.pgsql.inc on line 159 Continuous Authorizations in SIP with Usage Control | IIT - CNR - Istituto di Informatica e Telematica
IIT Home Page CNR Home Page

Continuous Authorizations in SIP with Usage Control

The Session Initiation Protocol (SIP) is a signaling protocol for the creation, modification and termination of multimedia sessions with one or more participants.While SIP operates in highly dynamic environments such as Next Generation Networks, in current deployments its access control support is based on traditional access control models.The main problem these models face is that under certain circumstances they tend to be inadequate in current highly dynamic environments.Usage Control is an access control model that supports the same functionalities as traditional models do, but further introduce novel ones.In a previous work, an architecture supporting continuous authorization on SIP based on the Usage Control model was presented.Here this architecture is further elaborated, described in more detail and experimentally evaluated.


20th Euromicro International Conference on Parallel, Distributed and Network-Based Computing (PDP2012), Munich, Germany, 2012

Autori IIT:

Georgios Karopoulos

Foto di Georgios Karopoulos

Tipo: Articolo in Atti di convegno internazionale con referee
Area di disciplina: Information Technology and Communication Systems
Da pagina 283 a pagina 287

Attività: Architetture, protocolli e meccanismi di sicurezza per sistemi e servizi distribuiti