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Policy Framework Status Report: Moving Towards Efficient Administration

This document outlines the objectives, influences, and status of the Policy Framework Working Group. It aims to facilitate centralized administration, drive policy-based system configuration, and ensure scalability across managed entities. The framework encourages cooperation among diverse entities and independence from protocols, devices, and vendors. Participants include IETF and DMTF, with prospects for new influences such as MPLS and VPNs.

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Policy Framework Status Report: Moving Towards Efficient Administration

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  1. Policy Framework Status aaaarch mtg, irtf, Aug. 2, 2000 Ed Ellesson co-chairs of policy framework wg: Ed Ellesson: ed_ellesson@tivoli.com John Strassner: johns@cisco.com

  2. Overview • Objectives • Influences • Framework • Policy Core Information Model • Status

  3. Objectives • Facilitate logically central administration by humans for a given policy domain • Drive policy-based configuration of collections of systems/devices • Must map to lower level configuration models • Must scale to thousands of managed entities • Produce effect of cooperation • among multiple heterogeneous managed entities • aggregated behavior with desired end-to-end characteristics • Protocol, device and vendor independence

  4. Influences • IETF • Policy Framework Working Group Participants • DiffServ, IntServ, IPSEC, RAP/COPS/PIB, RSVP, IPSP, LDAPext, SNMP/MIB, DHCP, etc. • New potential influences: MPLS, VPN’s • DMTF • CIM 2.3 Schema and earlier • WG’s: Network, User, SysDev, SLA, User, Applications, etc. • DEN • pre-standard ad-hoc committee

  5. Framework • Picture is in common with rap: • Management Tool • Policy Repository (Focus of policy wg is here) • Policy Decision Point • Policy Enforcement Point • Levels of Abstraction • SLA (Service Level Agreements) • SLO (Service Level Objectives) • Policy (Rules) • Configured Device Level

  6. Basic Policy Classes

  7. Policy Deliverables/Status • Policy Core Info Model (-07) in last call in IESG • PCIM mapped to directory representation to be updated and advanced dependent on above (-07) • First worked example (QOS) Policy in -01 draft • QOS device model in -01 draft, and being reconciled with mibs/pibs/conceptual model • Policy terminology draft being distributed for review by policy-related wg’s • Non-chartered drafts in other areas: mpls, ipsec, vpn’s, sls • framework draft on hold for terminology agreement

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