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