Folks I have read draft-ietf-ospf-yang-02 and have some questions and doubts. Please let me know your thoughts on the following.
- There are some concepts that appear to be implementation specific. For example, should the following be part of the OSPF Yang definition? o admin-distance: this is not an OSPF concept that I am familiar with. Administrative distance is commonly used for comparing the usability of routes originating from different protocols and not associated specifically with an OSPF instance. o nsr: there is no IETF standard for NSR. o local-rib: OSPF may be one of a number of routing protocols running on a router and therefore the local RIB is not OSPF-specific. o container ldp: should this be part of the OSPF Yang? - Conversely, should configuration of IGP shortcut support be added to the Yang definition? - There are some options that I would expect to see for the instance-config that are not present. Are there any plans to add other options? For example, the following. o Configuring the instance as an ASBR. o Support for traffic engineering. o The ospfRFC1583Compatibility field defined in RFC 4750. - The text is OSPFv2-centric in places. For example: o leaf router-id and grouping interface-operation : the description fields references RFC 2328. Should this also refer to RFC 5340 for the OSPFv3 case? o The grouping interface-operation * does not include the instance ID * dr and bdr leaves have type:ipv4-address. o container graceful-restart : description "Enable/Disable graceful restart as defined in RFC 3623." (Note that the feature graceful-restart does reference RFC 5187, OSPFv3 Graceful Restart.) o container te-rid: refers to IPv4 addresses in several places. - The TE (Traffic Engineering) configuration is specified within "container mpls". Is it safe to assume that TE configuration is always mpls-related? It may be better to make it non-specific about the usage of the TE information. - I found the "container stub-router" confusing. In particular, the different description fields. For example, I failed to understand the following. o "Specific different triggers to enable stub router." for the choice trigger description o "Enables maximum metric for non-stub router link" for the presence. Regards Alan Davey
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