Re: [pim] Adoption call for draft-zhao-pim-igmp-mld-proxy-yang-03.txt

Hongji Zhao <hongji.zhao@ericsson.com> Thu, 24 October 2019 02:37 UTC

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From: Hongji Zhao <hongji.zhao@ericsson.com>
To: "pim@ietf.org" <pim@ietf.org>
Thread-Topic: Adoption call for draft-zhao-pim-igmp-mld-proxy-yang-03.txt
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Date: Thu, 24 Oct 2019 02:37:05 +0000
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Subject: Re: [pim] Adoption call for draft-zhao-pim-igmp-mld-proxy-yang-03.txt
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Hi Anish,

Thank you for the review and comments. We will address them in the next revision of the document.
All the replies are inline.

BR/Hongji

-----Original Message-----

Date: Thu, 17 Oct 2019 17:29:17 +0530
From: Anish Peter <anish.ietf@gmail.com>
To: Stig Venaas <stig@venaas.com>
Cc: pim@ietf.org
Subject: Re: [pim] Adoption call for
	draft-zhao-pim-igmp-mld-proxy-yang-03.txt
Message-ID:
	<CAA6qS9r+CbRFwupB6K4OP=4AQyu3haoBuZmqv5RdWv2ODJnB0Q@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Authors,
 I went through the draft and have these comments.

module: ietf-igmp-mld-proxy
  augment /rt:routing/rt:control-plane-protocols/rt:control-plane-protocol:
    +--rw igmp-proxy {feature-igmp-proxy}?
       +--rw interfaces
          +--rw interface* [interface-name]
             +--rw interface-name    if:interface-ref
             +--rw version?          uint8
             +--rw enable?           boolean

AP> upstream igmp message sender source address may be an optional config entity
[Authors] Accept

           +--ro group* [group-address]
                +--ro group-address    inet:ipv4-address
                +--ro up-time?         uint32
                +--ro filter-mode?     enumeration
                +--ro source* [source-address]
                   +--ro source-address          inet:ipv4-address
                   +--ro up-time?                uint32
                   +--ro filter-mode?            enumeration

AP> Do not understand the semantics of this filter-mode? Guess filter
mode stated in the group level alone is relevant
[Authors] Accept, and we will delete other filter-mode.      
                              
                   +--ro downstream-interface* [interface-name]
                      +--ro interface-name    if:interface-ref
                      +--ro filter-mode?      enumeration
  
AP> I disagree with this hierarchy. IGMP is a per interface protocols
and source states must be build on per interface basis. Over different
downstream interfaces there are chances for different igmp versions.
[Authors] Any improvement can be further discussed.

AP> Do not understand the semantics of this filter-mode? Guess filter mode
stated in the group level alone is relevant
[Authors] Accept, and we will delete other filter-mode
 
AP> Do we have some vendor experience with this data model as proxy is
mostly implemented in access/edge devices?
[Authors]  Some vendors are interested and authors and contributors from different vendors (including cisco, juniper, ericsson, huawei, and volta) are working on the community consensus about the igmp proxy model.


Thanks,
Anish


On Tue, Oct 15, 2019 at 2:01 AM Stig Venaas <stig@venaas.com> wrote:

> Hi
>
> As discussed last meeting, we are doing an adoption call for 
> draft-zhao-pim-igmp-mld-proxy-yang-03.txt.
>
> Please respond by October 25th whether you think this draft should be 
> adopted as a WG item.
>
> Stig
>
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