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Re: [Idr] [ALU] will draft-ietf-idr-flowspec-redirect-ip-02 be revived?

Linda Dunbar <linda.dunbar@futurewei.com> Tue, 29 June 2021 19:01 UTC

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From: Linda Dunbar <linda.dunbar@futurewei.com>
To: "Simpson, Adam 1. (Nokia - US/Mountain View)" <adam.1.simpson@nokia.com>, "UTTARO, JAMES" <ju1738@att.com>, Jeffrey Haas <jhaas@pfrc.org>, "akarch@cisco.com" <akarch@cisco.com>, "sairay@cisco.com" <sairay@cisco.com>, "pmohapat@cumulusnetworks.com" <pmohapat@cumulusnetworks.com>, "mtexier@arbor.net" <mtexier@arbor.net>
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Thread-Topic: [ALU] will draft-ietf-idr-flowspec-redirect-ip-02 be revived?
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Date: Tue, 29 Jun 2021 19:01:08 +0000
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Subject: Re: [Idr] [ALU] will draft-ietf-idr-flowspec-redirect-ip-02 be revived?
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Adam,

Great to hear the draft will be refreshed. Then we can reference the approach for our TN-AWARE flowspec.

Thank you
Linda

From: Simpson, Adam 1. (Nokia - US/Mountain View) <adam.1.simpson@nokia.com>
Sent: Tuesday, June 29, 2021 1:49 PM
To: Linda Dunbar <linda.dunbar@futurewei.com>; UTTARO, JAMES <ju1738@att.com>; Jeffrey Haas <jhaas@pfrc.org>; akarch@cisco.com; sairay@cisco.com; pmohapat@cumulusnetworks.com; mtexier@arbor.net
Cc: idr@ietf.org
Subject: Re: [ALU] will draft-ietf-idr-flowspec-redirect-ip-02 be revived?

Hi Linda,

I don't think there is any great reason why we didn't continue to refresh this draft and take it to RFC. At the time of the last update there was a lot of churn in the flowspec area with respect to work on the bis draft, flowpsec-v2 and the best way to specify interaction between multiple actions. So I guess you could say that we wanted the dust to settle a bit.

This draft can and should be revived. It would be good to understand from my co-authors the current status of implementations. I can say that Nokia has implemented this draft for both IPv4 and IPv6, but only the redirect functionality, not the copy functionality.

-Adam

From: Linda Dunbar <linda.dunbar@futurewei.com<mailto:linda.dunbar@futurewei.com>>
Date: Tuesday, June 29, 2021 at 10:29 AM
To: UTTARO, JAMES <ju1738@att.com<mailto:ju1738@att.com>>, Jeffrey Haas <jhaas@pfrc.org<mailto:jhaas@pfrc.org>>, akarch@cisco.com<mailto:akarch@cisco.com> <akarch@cisco.com<mailto:akarch@cisco.com>>, sairay@cisco.com<mailto:sairay@cisco.com> <sairay@cisco.com<mailto:sairay@cisco.com>>, pmohapat@cumulusnetworks.com<mailto:pmohapat@cumulusnetworks.com> <pmohapat@cumulusnetworks.com<mailto:pmohapat@cumulusnetworks.com>>, Simpson, Adam 1. (Nokia - US/Mountain View) <adam.1.simpson@nokia.com<mailto:adam.1.simpson@nokia.com>>, mtexier@arbor.net<mailto:mtexier@arbor.net> <mtexier@arbor.net<mailto:mtexier@arbor.net>>
Cc: idr@ietf.org<mailto:idr@ietf.org> <idr@ietf.org<mailto:idr@ietf.org>>
Subject: [ALU] will draft-ietf-idr-flowspec-redirect-ip-02 be revived?
Jim, Jeff, et al,

Our https://datatracker.ietf.org/doc/draft-mcd-rtgwg-extension-tn-aware-mobility/<https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-mcd-rtgwg-extension-tn-aware-mobility%2F&data=04%7C01%7Clinda.dunbar%40futurewei.com%7C1078269790194e1cdc0508d93b2e8bd7%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C637605893374698969%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=PUDjhqA3Mqgd2krioVNCB1xXVDRbrgLOQ21EygjKvVI%3D&reserved=0> needs to use Flowspec to influence the node (either on 5G UPF or directly connected to the 5GUPF) to steer a flow from 5G's UPF to a specific underlay path based on the  5G services characteristics.

The approach described in  draft-ietf-idr-flowspec-redirect-ip-02 are useful for our purpose.   But the draft has been expired.

Just curious if the  draft-ietf-idr-flowspec-redirect-ip-02 be revived? Were there any reasons the draft didn't move forward?

Thank you very much
Linda Dunbar

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