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As every box has a name (its selector on an outer box), the set of
nested boxes conforms a hierarchical name space. By sharing a box
multiple times, different names can be given to an existing box. With
respect to names, a distributed box-based environment can look very
similar to a Plan 9 environment , supporting
customizable per-application name spaces.
For protection, we use simple capabilities, as we are more interested
in testing the Box abstraction than we are on building a secure
Finally, it should be noted that different naming and protection
systems could be applied to the box abstraction being proposed. The
ones we have described in this section are those we prefer.