Re: [Lsr] AD Review for draft-ietf-ospf-yang-21
Alvaro Retana <aretana.ietf@gmail.com> Thu, 27 June 2019 11:55 UTC
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From: Alvaro Retana <aretana.ietf@gmail.com>
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Date: Thu, 27 Jun 2019 07:54:59 -0400
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To: "Acee Lindem (acee)" <acee@cisco.com>, "draft-ietf-ospf-yang@ietf.org" <draft-ietf-ospf-yang@ietf.org>
Cc: "lsr@ietf.org" <lsr@ietf.org>, "stephane.litkowski@orange.com" <stephane.litkowski@orange.com>, "lsr-chairs@ietf.org" <lsr-chairs@ietf.org>
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Subject: Re: [Lsr] AD Review for draft-ietf-ospf-yang-21
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On June 26, 2019 at 9:31:05 PM, Acee Lindem (acee) (acee@cisco.com) wrote: ... ... 3936 leaf dead-timer { 3937 type uint32; 3938 units "seconds"; 3939 config false; 3940 description "This timer tracks the remaining time before 3941 the neighbor is declared dead."; 3942 } [major] For *-timer: Is tracking the remaining time in seconds enough? I would assume that ms would be the right unit. Why seconds? <acee> Because sub-second hellos was a bad idea – three words: B-F-D…' This question is not about sub-second Hellos…it’s about the *remaining time*. Even if Hellos are x seconds apart, the “remaining time before the neighbor is declared dead” can still be in ms, right? Why not? Note that there are other places in the model that are characterized as tracking the remaining time. I don’t feel that strongly. However, it would seem that one would use the same granularity as the configuration. No? I wouldn’t think so. If I was an operator I would like to know if there are 500ms left before my neighbor dies, and not just 1 or 0. I think this may also be useful for troubleshooting. But I’m not an operator… Alvaro. We found that the RFC 8294 timer types aren’t good for “config true” values since the values “infinity” and “not-set” are included in the union. Hence, they lend themselves better to operational state than configurable values.
- [Lsr] AD Review for draft-ietf-ospf-yang-21 Alvaro Retana
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Acee Lindem (acee)
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Alvaro Retana
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Acee Lindem (acee)
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Alvaro Retana
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Acee Lindem (acee)
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Alvaro Retana
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Les Ginsberg (ginsberg)
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Jeffrey Haas
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Acee Lindem (acee)
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Acee Lindem (acee)
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Alvaro Retana
- Re: [Lsr] AD Review for draft-ietf-ospf-yang-21 Acee Lindem (acee)