Diffusion™ secures your data by requiring client sessions to
authenticate and using role-based authorization to define the actions that a client can
- The principal is a user or system user that has an identity that can be
When a principal is authenticated is becomes
associated with a session. The default principal that is associated
with a session is ANONYMOUS.
- A session is a set of communications between the Diffusion server and a client.
- A permission represents the right to perform an action on the Diffusion server or on data.
- A role is a named set of permissions and other roles. Principals and
sessions can both be assigned roles.
- Role hierarchy
- Roles are hierarchical. A role can include other roles and, by doing so,
have the permissions assigned to the included roles. A role cannot
include itself, either directly or indirectly – through a number
of included roles.