Ownership Systems in which resources have owners also must be treated with care. Predictability can be achieved on systems with owners by including owner functionality in DAV access control. Systems which do not support owner functionality could refuse requests to change or set ownership. There may be other ways to preserve predictability with inheritance and ownership. Areas Out of Scope 8.1.
Groups Modeling groups is out of scope.
It is recommended that the protocol draft avoid issues such as the enumeration of group members or administration of groups. Goals August 1998 it is to define roles for individuals. Many systems employ the concept of assigning roles, more temporary than identities, to more flexibly define access. Roles are important. However, roles would appear to be difficult and not necessarily related to ACLs.