Policy Framework Status

1
Policy Framework Status

• aaaarch mtg, irtf, Aug. 2, 2000
• Ed Ellesson
• co-chairs of policy framework wg
• Ed Ellesson ed_ellesson_at_tivoli.com
• John Strassner johns_at_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, VPNs
• DMTF
• CIM 2.3 Schema and earlier
• WGs 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 wgs
• Non-chartered drafts in other areas mpls, ipsec,
  vpns, sls
• framework draft on hold for terminology agreement