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Re: [mpls] Concerns about ISD

John E Drake <jdrake@juniper.net> Fri, 29 April 2022 12:42 UTC

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From: John E Drake <jdrake@juniper.net>
To: Tianran Zhou <zhoutianran@huawei.com>, John E Drake <jdrake=40juniper.net@dmarc.ietf.org>, Tony Li <tony.li@tony.li>
CC: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] Concerns about ISD
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Date: Fri, 29 Apr 2022 12:41:47 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/mpls/p5dZfTmd8cRdg6TjnDI7qGnaeMg>
Subject: Re: [mpls] Concerns about ISD
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Hi,

Comments inline below.

Yours Irrespectively,

John


Juniper Business Use Only

> -----Original Message-----
> From: Tianran Zhou <zhoutianran@huawei.com>
> Sent: Thursday, April 28, 2022 8:59 PM
> To: John E Drake <jdrake@juniper.net>; John E Drake
> <jdrake=40juniper.net@dmarc.ietf.org>; Tony Li <tony.li@tony.li>
> Cc: mpls@ietf.org
> Subject: RE: [mpls] Concerns about ISD
> 
> [External Email. Be cautious of content]
> 
> 
> Hi John,
> 
>  If we want to reuse this for consistent design (easy for interop), how do you
> want to encode it to ISD?
> 
> [JD]  That's up to a given solution to propose, but probably two LSEs
> 
> ZTR> It would be interesting to know your proposal.

[JD]  As I said, the size of an NRP ID needs to be decided and any MNA solution needs propose how it is to be
encoded  

> 
> 
> 2. If we really worry about the MSD of SR, why not use BSID as a direct way to
> reduce the stack?
> 
> [JD]  Because it can't be mandated
> 
> ZTR> I am sorry, I do not understand why BSID is not applicable. What's the "
> mandated " mean here?

[JD]  MNA cannot require the use of BSIDs
 
> 
> Tianran

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