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...Presentation objectives to explain what this ietf model is trying achieve justify why being standardized in hopefully get agreement from ieee that it acceptable for standardize without a lot of standard protocols are unconfigurable via yang or unusable with q vlan tagged traffic draft currently blocked at the equivalent par phase we don t want antagonise by starting project conflicts an interface based on ifmib interfaces can be defined as generic container following characteristics identifies stream network potentially any layer anchor point apply features and protocol forwarding configuration has type iana defines many different flavours default set statistics enabled disabled child needed sometimes necessary feature rules subset modelled cleanly using parent e g forwarded ip vrf x phy ethernet lag y pseudo wire vpls instance allows separate applied schema paths same other lots types have physical headend bridge virtual frame relay atm if required multiple layers hierarchy possible c...