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[OSPF] draft-ietf-ospf-yang-03 questions and doubts

Alan Davey <Alan.Davey@metaswitch.com> Tue, 15 December 2015 16:30 UTC

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From: Alan Davey <Alan.Davey@metaswitch.com>
To: "draft-ietf-ospf-yang@ietf.org" <draft-ietf-ospf-yang@ietf.org>
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Cc: "ospf@ietf.org" <ospf@ietf.org>
Subject: [OSPF] draft-ietf-ospf-yang-03 questions and doubts
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Folks

I have a doubt about draft-ietf-ospf-yang-03.  Please let me know your thoughts on the following.

The text is OSPFv2-specific in places.  I think that it would be better to define separate top-level groupings and containers for OSPFv2 and OSPFv3 and define common groupings and containers, where possible, that are used by both.

For example, grouping interface-operation contains the following, which is incorrect for OSPFv3.


-          leaf dr with type ipv4-address

-          leaf bdr with type ipv4-address.

I think that it would be better to define something along the following lines.


-          ospfv3-interface-operation {

o   uses interface-config

o   uses ospf-common-interface-operation

o   leaf dr {

§  type if:interface-ref

§  description:

·                   "The remote interface ID used by the Designated Router on

·                   this link.  This is the interface index of the interface local to the DR.";

o   etc

-          ospfv2-interface-operation {

o   uses interface-config

o   uses ospf-common-interface-operation

o   leaf dr {

§           type inet:ipv4-address;

§           description "Designated Router (DR) IP address.";

o   etc.

Regards
Alan Davey

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