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Get the latest updates and resolutions from the Policy Framework Working Group at the 47th IETF meeting, including discussions on declarative vs. procedural approaches, new property additions, and clarifications on encoding and semantics. Stay informed on upcoming resolutions and next steps.
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PCIM Results & Status Bob Moore Policy Framework WG 47th IETF 47th IETF
Summary • PCIM-03 was distributed January 19 • Several issues were raised, and addressed in PCIM-04 -- these will be listed below • PCIM-04 was distributed March 9 • One issue was raised -- resolution will be discussed below • Net: WG consensus reached on soon-to-be-published PCIM-05 (barring any new issues today) 47th IETF
Changes in PCIM-04 • Discussion of "declarative" vs. "procedural" updated. • General discussion of roles (and their roles in the Policy Framework:-) updated. • New PolicyRoles property added to PolicyRule. • UCS-2 encoding for CIM strings explained more fully. 47th IETF
Changes in PCIM-04 • Character set & encoding for CIM class names clarified. • Changed encodings of PolicyTimePeriodCondition mask properties from strings to octet strings. • Clarified encoding of OIDs for ConstraintEncoding and ActionEncoding properties. • Expanded the names for several of the association classes and their reference properties. 47th IETF
Changes in PCIM-04 • Updated Acknowledgments section. • Updated Security Considerations section. • Updated References section. • Made various minor editorial fixes. 47th IETF
Issue with PCIM-04 • Semantics and syntax for the time-range properties in PolicyTimePeriodCondition class should match those specified in RFC 2445 (iCalendar) • Subsequent discussion revealed that there may also be an issue with the representation of time zones in the ApplicableTimeZone property 47th IETF
Proposed Resolution • Accept the proposed changes to the time-range properties, but leave the time zone representation as it is • TimePeriod property: period-explicit syntax from section 4.3.9 of RFC 2445; still need to decide on representation of “open” ranges • TimeOfDayMask property: Thhmmss/Thhmmss 47th IETF
Next Steps • 2 week WG last call on PCIM-04, as amended with the changes discussed above • Issue updated PCIM-05 shortly • Reissue Policy Core LDAP Schema • Reach consensus on QoS Policy information model • Work with IPSP WGon IPSec Policy information model 47th IETF