Re: [Bier] WGLC: draft-ietf-bier-ospfv3-extensions

Peter Psenak <ppsenak@cisco.com> Mon, 10 January 2022 07:42 UTC

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Date: Mon, 10 Jan 2022 08:42:20 +0100
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To: "Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net>, "'BIER WG'" <bier@ietf.org>
Cc: Huaimo Chen <huaimo.chen@futurewei.com>, Alvaro Retana <aretana.ietf@gmail.com>
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From: Peter Psenak <ppsenak@cisco.com>
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Subject: Re: [Bier] WGLC: draft-ietf-bier-ospfv3-extensions
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Hi Jeffrey,

On 08/01/2022 03:06, Jeffrey (Zhaohui) Zhang wrote:
> Hi Peter,
> 
> To follow up on our offline discussions, we agreed that routers MAY do 
> the optimizations listed below. Perhaps new text can be introduced in 
> the next revision?

sure, but I do not own the pen.

thanks,
Peter


> 
> Thanks.
> Jeffrey
> 
> *From:* Jeffrey (Zhaohui) Zhang
> *Sent:* Tuesday, December 7, 2021 9:14 AM
> *To:* Peter Psenak <ppsenak@cisco.com>om>; BIER WG <bier@ietf.org>
> *Subject:* RE: [Bier] WGLC: draft-ietf-bier-ospfv3-extensions
> 
> Hi Peter,
> 
> Sorry it’s a bit late but let me put it here anyway.
> 
> Without considering BIER, for LFA and TI-LFA, would we ever FRR or 
> tunnel beyond area borders?
> 
> If the answer is no, then the inter-area redistribution could be 
> simplified/reduced:
> 
>   * BIER encapsulation information do not seem to be needed beyond the
>     area border
>   * Prefixes for transit BFRs (those w/o non-zero BFR-IDs) do not need
>     to be redistributed with BIER sub-TLV at all
> 
> I think the second optimization is especially more important.
> 
> Thanks.
> Jeffrey
> 
> *From:* BIER <bier-bounces@ietf.org <mailto:bier-bounces@ietf.org>> *On 
> Behalf Of *Greg Shepherd
> *Sent:* Monday, November 22, 2021 11:50 AM
> *To:* BIER WG <bier@ietf.org <mailto:bier@ietf.org>>
> *Subject:* [Bier] WGLC: draft-ietf-bier-ospfv3-extensions
> 
> *[External Email. Be cautious of content]*
> 
> This email begins a 2 week WGLC for draft-ietf-bier-ospfv3-extensions. 
> Please read and respond with/without your support:
> 
> https://datatracker.ietf.org/doc/draft-ietf-bier-ospfv3-extensions/ 
> <https://urldefense.com/v3/__https:/datatracker.ietf.org/doc/draft-ietf-bier-ospfv3-extensions/__;!!NEt6yMaO-gk!WHYwedbYdxD9GRq-rJxLHBKsgw5Yv17kWGspsAcOZFz359K8WQ4QWPEHE1G68IUe$>
> 
> We will also need a doc Shepherd to progress this work.
> 
> Thanks,
> 
> - Shep
> 
> (Chairs)
> 
> 
> Juniper Business Use Only
>