[Idr] Request comments on draft-lin-idr-sr-policy-headend-behavior

linchangwang <linchangwang.04414@h3c.com> Tue, 05 March 2024 14:09 UTC

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From: linchangwang <linchangwang.04414@h3c.com>
To: "idr@ietf.org" <idr@ietf.org>
Thread-Topic: [Idr] Request comments on draft-lin-idr-sr-policy-headend-behavior
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Date: Tue, 05 Mar 2024 14:09:28 +0000
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Subject: [Idr] Request comments on draft-lin-idr-sr-policy-headend-behavior
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Hi All,



This document introduces extensions to the Border Gateway Protocol (BGP) for distributing SR policies with headend behavior.

Link: https://datatracker.ietf.org/doc/draft-lin-idr-sr-policy-headend-behavior/<http://ai.h3c.com/redirect?target=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-lin-idr-sr-policy-headend-behavior%2F>



In RFC8986, the encapsulation behavior for SRv6 Policy is defined as H.Encaps, H.Encaps.Red, H.Encaps.L2, H.Encaps.L2.Red.



However, in the current BGP distribution of SRv6 Policy, only the bindingSID is provided, and the encapsulation behavior of the SR Policy itself is not included. The traffic steering using the BindingSID and the SRv6 Policy itself are different, and the flavor of the bindingSID cannot determine the encapsulation behavior of the SRv6 Policy.



This document introduces extensions to the Border Gateway Protocol (BGP) for distributing SR policies with headend behavior.

This allows specific behaviors to be instructed to the headend when packets are directed into the SR policy without using BSID.



We welcome your feedback and comments!



Best Regards,

Changwang

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