[Idr] Re: Fw: New Version Notification for draft-zhang-idr-portid-ec-00.txt

[Donatas Abraitis <[e-mail]>]

I was referring to
https://datatracker.ietf.org/doc/html/draft-acee-idr-lldp-peer-discovery.

On Tue, Mar 3, 2026 at 2:48 AM <[e-mail]> wrote:

>
> Hi Donatas,
> Thank you for your information.
>
> I'm not sure if the existing work you mentioned refers to this draft:
> https://datatracker.ietf.org/doc/html/draft-filsfils-rtgwg-lightweight-host-routing-00
> .
> If I understand correctly, this draft addresses information advertising
> between the Server and Leaf switches.
>
> draft-zhang-idr-portid-ec is different; it's used to advertise the
> interface between the Server and Leaf switches (via the Spine).
> The purpose, as you stated, is to resolve last-hop congestion.
>
> Cases where the Server and Leaf switches are not directly connected are
> not currently within the scope of this draft.
> If this solution were to be used, creating a tunnel between the Server and
> Leaf switches might be necessary.
> Best regards,
> Sandy
>
>
> <http://www.zte.com.cn/>
>
>
> <http://www.zte.com.cn/>
>
>
> <http://www.zte.com.cn/>
> Original
> *From: *DonatasAbraitis <[e-mail]>
> *To: *张征00007940;
> *Cc: *[e-mail] <[e-mail]>;
> *Date: *2026年03月03日 00:41
> *Subject: **Re: [Idr] Fw: New Version Notification for
> draft-zhang-idr-portid-ec-00.txt*
> * We already have a draft for carrying LLDP information in BGP. Wouldn't
> that be better to continue the work?
> * What happens if the server is not directly connected to the leaf?
> * I'm still concerned, what problem is trying to solve here? Congestion or
> what?
>
>
>
> On Mon, Mar 2, 2026 at 11:24 AM <[e-mail]> wrote:
>
>>
>> Hi,
>> This draft tries to address the issue of requiring the advertising of the
>> connection interface between Leaf switches and servers in some
>> implementations when deploying BGP in data centers used for AI computing.
>> If you have experience in this deployment and implementation, or are
>> interested in this topic, please feel free to provide suggestions and
>> feedback.
>> Thank you very much.
>> Best regards,
>> Sandy
>>
>>
>> <http://www.zte.com.cn/>
>>
>>
>> <http://www.zte.com.cn/>
>>
>>
>> <http://www.zte.com.cn/>
>> Original
>> *From: *[e-mail] <[e-mail]>
>> *To: *袁冬宇10335620;Junye Zhang <[e-mail]>;张征00007940;
>>
>> *Date: *2026年02月28日 22:03
>> *Subject: **New Version Notification for
>> draft-zhang-idr-portid-ec-00.txt*
>> A new version of Internet-Draft draft-zhang-idr-portid-ec-00.txt has been
>> successfully submitted by Zheng Zhang and posted to the
>> IETF repository.
>>
>> Name:     draft-zhang-idr-portid-ec
>> Revision: 00
>> Title:    BGP PORT EC for AIDC
>> Date:     2026-02-28
>> Group:    Individual Submission
>> Pages:    7
>> URL:
>> https://www.ietf.org/archive/id/draft-zhang-idr-portid-ec-00.txt
>> Status:   https://datatracker.ietf.org/doc/draft-zhang-idr-portid-ec/
>> HTML:
>> https://www.ietf.org/archive/id/draft-zhang-idr-portid-ec-00.html
>> HTMLized: https://datatracker.ietf.org/doc/html/draft-zhang-idr-portid-ec
>>
>>
>> Abstract:
>>
>>    This document introduces a new BGP extended community attribute for
>>    use in AI computing, which announces the port ID between Leaf
>>    switches and servers as preparation for sending large-scale traffic
>>    before initiating AI tasks.
>>
>>
>>
>> The IETF Secretariat
>>
>>
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>>
>
>
> --
> Donatas
>
>
>

-- 
Donatas