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Re: [Sidrops] [GROW] IXP Route Server question

"Sriram, Kotikalapudi (Fed)" <kotikalapudi.sriram@nist.gov> Sun, 13 March 2022 16:45 UTC

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From: "Sriram, Kotikalapudi (Fed)" <kotikalapudi.sriram@nist.gov>
To: Zhuangshunwan <zhuangshunwan@huawei.com>
CC: "grow@ietf.org" <grow@ietf.org>, "sidrops@ietf.org" <sidrops@ietf.org>
Thread-Topic: [GROW] IXP Route Server question
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Date: Sun, 13 Mar 2022 16:44:53 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/sidrops/l2y3nyLKWwsdoyu0R5uccAOv_yI>
Subject: Re: [Sidrops] [GROW] IXP Route Server question
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Hi Shunwan,

>> The ASPA verification draft treats the relationship of RS to RS-client 
>> as similar to that of Provider to Customer. Seems reasonable? The AS 
>> of an RS client includes the RS's AS in its ASPA as a "Provider".

>IMO, the ASPA verification draft regards the relationship between RS and RS-client as "peer-to-peer", 

That is not correct.

>maybe my understanding is wrong, I will read the ASPA verification draft again.

OK. Just FYI... the draft needs a revision. It does not contain yet the enhanced ASPA upstream/downstream verification algorithms/procedures. Not sure if you've followed sidrops discussions on the algorithms since January 2021. Some pointers:
https://datatracker.ietf.org/meeting/110/materials/slides-110-sidrops-sriram-aspa-alg-accuracy-01
https://mailarchive.ietf.org/arch/msg/sidrops/C6Ethp2aC9sJsxDtBrLQDjmCqk4/

Thanks.

Sriram

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