1. PCE 64 th IETF PCE Policy Architecture draft-berger-pce-policy-architecture-00.txt Lou Berger Igor Bryskin Dimitri Papadimitriou

2. PCE 64 th IETF2 Draft Overview Adds Policy to PCE Architecture Most of text could be incorporated into draft-ietf-pce-architecture-xx.txt Document covers: Policy related PCE components Types of PCE Policies Communication and discovery considerations Provides some reference scenarios*

3. PCE 64 th IETF3 Sample Scenarios Draft currently mentions 3 example scenarios List is not extensive or complete, intended to not be limiting Policy Configured Paths Provider Selection Policy Policy Based Constraints

4. PCE 64 th IETF4 Example Scenario Provider Selection Policy Problem: When multiple transit providers are available, how do you select which transit network to use? Transit Domain Source Domain Transit Domain Target Domain Transit Domain

5. PCE 64 th IETF5 PCE Components with Policy ---------------------- | ----- | | | TED | | ----- | TED synchronization | | | mechanism (e.g., routing protocol) | | | | v | | ------ ----- | Inter-PCE Request/Response | |Policy| | PCE | (when present) | ------ ----- | ---------------------- ^ | Request/ | Response v Service ------------- Signaling Request|[PCC][Policy]| Protocol...--->| Node |<----.... or Signaling ------------- Protocol

6. PCE 64 th IETF6 Types of Policy User and Request Specific Policies User = Who (is making a request) Request = What (is being requested) Client and Server Specific Policies Related to which component is processing a request Local and Domain Specific Policies Local= Intra-provider policies Domain= Inter-provider policies

7. PCE 64 th IETF7 Next Steps WG to decide how to proceed Some options: Continue as independent draft Incorporate with other drafts: Current Arch draft New PCE policy framework draft Something else?