At 01:11 PM 8/21/2003, Pete (Madscientist) wrote:
|-----Original Message-----
|From: asrg-admin(_at_)ietf(_dot_)org [mailto:asrg-admin(_at_)ietf(_dot_)org] On
|Behalf Of Jon Kyme
<snip>
|I'm not sure that scopes more "complicated" / fine-grained
|than local | organisational | global would in fact be useful,
|but whether scope might be better represented as an attribute
|of a "rule" or of the "policy" - this is a good question. I'd
|go for per-rule, as I guess that it would make the policy more
|compact (given that these scopes "nest" nicely) as you'd avoid
|duplicating rules differing only in scope in the differently
|scoped policies.
Currently the way the XML-CPDL example works is to define scope in terms
of a SYSTEM. A SYSTEM might be a user, organization, etc... defined by
the implementor by subscription. For example, a small ISP might have a
SYSTEM that corresponds with their global policy and is implemented at
their gateway MTAs; they might then have another SYSTEM implemented for
each of their store & forward customers running on the server(s) that
make that transfer; they might have another SYSTEM defined and running
for each of their hosted domains that subscribe to a custom-domain
policy service; and below those they might have a SYSTEM defined for
each user within one of these domains.
In this example we would presume that user level SYSTEMs would be
aggregated by domain level SYSTEMSs, that domain level SYSTEMS and S&F
SYSTEMS would be agregated into the global policy SYSTEM. The
relationships between these SYSTEMS (scope definitions) would be defined
by the IMPORT and EXPORT rules defined in each SYSTEM.
This structure allows the implementor to determin the granularity of
scope to fit their needs.
I will endeavor to create a document that clarifies this... in the
interim, does this description make sense?
Would any of this be relevant to the consent framework? Do we need to
define further what SCOPE is and how it works within the consent framework,
or should that be something that is left for the language?
Yakov
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