1082 search results - page 74 / 217 » Policy support for call control |
DBSEC
2004
13 years 10 months ago
2004
The notion of Usage Control (UCON) has been introduced recently to extend traditional access controls by including three decision factors called authorizations, obligations, and co...
JISE
2008
13 years 9 months ago
2008
Supporting telephone services using wireless LAN as the access network is an important application nowadays. The SIP and IEEE 802.11e are the two most promising protocols to suppo...
CSFW
2005
IEEE
14 years 2 months ago
2005
IEEE
Modelling security policies requires means to specify permissions and prohibitions. However, this is generally not sufficient to express security properties such as availability ...
SACMAT
2009
ACM
14 years 3 months ago
2009
ACM
Modern operating systems primarily use Discretionary Access Control (DAC) to protect files and other operating system resources. DAC mechanisms are more user-friendly than Mandat...
NOSSDAV
2005
Springer
14 years 2 months ago
2005
Springer
We propose an efficient placement algorithm and per-disk prefetching method to effectively support interactive operations in the media server. Our placement policy is incorporate...