To my memory, Redback (Albert Tian) published draft-tian-mpls-lsp-source-route 
aroun 2004 and filed IPR a year or so before that ;-)

Cheers,
Jeff

> On Apr 18, 2022, at 15:58, Tony Li <[email protected]> wrote:
> 
> 
> Let me see if I understand the timeline here:
> 
> 2013, June 28, Draft submission of draft-filsfils-rtgwg-segment-routing-00
> 2018, July, Published as RFC 8402
> 2020, July 30, US patent filed for Enforcing strict shortest path forwarding 
> using strict segment identifiers
> 2022, Apr. 18, IPR declaration filed
> 
> Do I have that right?
> 
> Tony
> 
> 
>> On Apr 18, 2022, at 1:46 PM, IETF Secretariat <[email protected]> wrote:
>> 
>> Dear Clarence Filsfils, Stefano Previdi, Les Ginsberg, Bruno Decraene, 
>> Stephane Litkowski, Rob Shakir:
>> 
>> 
>> An IPR disclosure that pertains to your RFC entitled "Segment Routing
>> Architecture" (RFC8402) was submitted to the IETF Secretariat on 2022-04-18
>> and has been posted on the "IETF Page of Intellectual Property Rights
>> Disclosures" (https://datatracker.ietf.org/ipr/5626/). The title of the IPR
>> disclosure is "Cisco Systems, Inc.'s Statement about IPR related to RFC 8402"
>> 
>> 
>> Thank you
>> 
>> IETF Secretariat
>> 
>> 
>> _______________________________________________
>> spring mailing list
>> [email protected]
>> https://www.ietf.org/mailman/listinfo/spring
> 
> _______________________________________________
> spring mailing list
> [email protected]
> https://www.ietf.org/mailman/listinfo/spring
_______________________________________________
spring mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/spring

Reply via email to