simple-7----Page:20
1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31 

Validity Condition
Specifies the duration over which the statement applies
Allows the server to “ignore” permissions automatically, instead of forcing the client to remove on expiration
Client may not be connected
Assures privacy safety
Good idea!
PPT Version