Re: [pim] Apply for WGLC about draft-ietf-pim-igmp-mld-snooping-yang

Hongji Zhao <hongji.zhao@ericsson.com> Tue, 08 January 2019 07:17 UTC

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From: Hongji Zhao <hongji.zhao@ericsson.com>
To: Mikael Abrahamsson <swmike@swm.pp.se>
CC: Stig Venaas <stig@venaas.com>, Michael McBride <Michael.McBride@huawei.com>, "pim@ietf.org" <pim@ietf.org>
Thread-Topic: [pim] Apply for WGLC about draft-ietf-pim-igmp-mld-snooping-yang
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Date: Tue, 8 Jan 2019 07:15:55 +0000
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Subject: Re: [pim] Apply for WGLC about draft-ietf-pim-igmp-mld-snooping-yang
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Hi Mikael,

 Regarding the leaf expire, we have changed type into rt-types:timer-value-seconds16.  This type could express "infinity".
 Thanks a lot ! 

BR/Hongji
赵宏吉

-----Original Message-----
From: Mikael Abrahamsson <swmike@swm.pp.se>; 
Sent: Friday, December 21, 2018 5:37 PM
To: Hongji Zhao <hongji.zhao@ericsson.com>;
Cc: Stig Venaas <stig@venaas.com>;; Michael McBride <Michael.McBride@huawei.com>;; pim@ietf.org
Subject: RE: [pim] Apply for WGLC about draft-ietf-pim-igmp-mld-snooping-yang

On Fri, 21 Dec 2018, Hongji Zhao wrote:

> Hi Mikael,
>
> This is a "mandatory true", it means all the dynamic groups need expire. The group(who is read-only)  list only includes dynamic groups.
> I suppose it won't be a statically configured group.
>
> Do you think it should not be "mandatory true"?  OR the group (who is read-only) should include the statically configured group?

I believe operational data should show all groups currently being handled, regardless if they're statically configured or not. I want to be able to see other aspects of them, so it would be a bad idea if they were omitted from the list just because they're statically configured.

Minimum change could be to either remove the "mandatory true;" and say that groups without known expiry time doesn't report this value, or one could say that uint32 max value means "infinity". There could be other ways.

I have no strong opinion how to handle this, but I'd like to see it defined in the model how to handle statically configured groups with no defined expiry time.

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se