Hi WG,

We posted a new draft: draft-lin-lsr-srv6-service-sid-00. It's about 
advertising SRv6 service SID in IGP.

For the IPv6 backbone networks not deploying BGP, for example, the campus 
network using IS-IS or OSPFv3, there may be requirements to interconnect IPv4 
islands. SRv6 Service SIDs like End.DT4 may be used to realize such 
requirements. Similar with the BGP based L3 Service over SRv6, SRv6 Service 
SIDs like End.DT4 may be used to realize such requirements. This document 
extends IS-IS and OSPFv3 to advertise SRv6 Service SIDs along with prefixes. 
The receiving router creates forwarding entries associated with SID.
In the IPv4 over IPv6 scenario, the IPv4 packets will be encapsulated in an 
outer IPv6 header with the destination address of SRv6 Service SID and 
forwarded according to the SID. When they are forwarded to the destination, the 
SID's owner decapsulates the outer IPv6 header and performs IPv4 table lookup 
to forward the inner IPv4 packet. Furthermore, it may be extended to support 
SRv6-TE Services in IGP.

Any questions or comments are welcomed.

Thanks,
Mengxiao Chen

-----Original Message-----
From: [email protected] <[email protected]>
Sent: Monday, July 11, 2022 4:38 PM
To: linchangwang (RD) <[email protected]>; lihao (02566, RD) 
<[email protected]>; chenmengxiao (RD) <[email protected]>
Subject: New Version Notification for draft-lin-lsr-srv6-service-sid-00.txt


A new version of I-D, draft-lin-lsr-srv6-service-sid-00.txt
has been successfully submitted by Mengxiao Chen and posted to the IETF 
repository.

Name:draft-lin-lsr-srv6-service-sid
Revision:00
Title:IS-IS and OSPFv3 Extensions to Advertise SRv6 Service SID
Document date:2022-07-11
Group:Individual Submission
Pages:9
URL:            
https://www.ietf.org/archive/id/draft-lin-lsr-srv6-service-sid-00.txt
Status:         https://datatracker.ietf.org/doc/draft-lin-lsr-srv6-service-sid/
Htmlized:       
https://datatracker.ietf.org/doc/html/draft-lin-lsr-srv6-service-sid


Abstract:
   The IPv6 backbone networks only deploying IGP may be required to
   interconnect IPv4 islands. SRv6 Service SIDs like End.DT4 may be
   used to realize such requirements. This document extends IS-IS and
   OSPFv3 to advertise SRv6 Service SIDs.




The IETF Secretariat


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