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Re: [mpls] Concerns about ISD

Tony Li <tony.li@tony.li> Tue, 19 April 2022 20:56 UTC

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Sender: Tony Li <tony1athome@gmail.com>
From: Tony Li <tony.li@tony.li>
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Date: Tue, 19 Apr 2022 13:56:28 -0700
In-Reply-To: <CA+b+ERk8NJrj0eV63-ppEEj3KVYEuptJdXg6e2WEoRCj4ROdbQ@mail.gmail.com>
Cc: Haoyu Song <haoyu.song@futurewei.com>, Tianran Zhou <zhoutianran=40huawei.com@dmarc.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>, John E Drake <jdrake=40juniper.net@dmarc.ietf.org>
To: Robert Raszuk <rraszuk@gmail.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/mpls/K-9kif_ZB12ARfDuic96-qTlb_c>
Subject: Re: [mpls] Concerns about ISD
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Hi Robert,


> > That died a long time ago, when the Entropy Label came out.
> 
> I don't see it that way. And perhaps that was also Haoyu's point. 
> 
> There is a significant functional and performance difference from using N labels for hashing vs checking (doing lookup) if you recognize value of specific labels embedded down deep in the label stack. 


Well, as no one has fleshed out alternative proposal, it looks like we’ll be using a bSPL.

Tony

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