RFC 9603 on Path Computation Element Communication Protocol (PCEP) Extensions for IPv6 Segment Routing

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        RFC 9603

        Title:      Path Computation Element Communication Protocol (PCEP)
                    Extensions for IPv6 Segment Routing 
        Author:     C. Li, Ed.,
                    P. Kaladharan,
                    S. Sivabalan,
                    M. Koldychev,
                    Y. Zhu
        Status:     Standards Track
        Stream:     IETF
        Date:       July 2024
        Mailbox:    c.l@huawei.com,
                    prejeeth@rtbrick.com,
                    msiva282@gmail.com,
                    mkoldych@cisco.com,
                    zhuyq8@chinatelecom.cn
        Pages:      23
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-pce-segment-routing-ipv6-25.txt

        URL:        https://www.rfc-editor.org/info/rfc9603

        DOI:        10.17487/RFC9603

Segment Routing (SR) can be used to steer packets through a network
using the IPv6 or MPLS data plane, employing the source routing
paradigm.

An SR Path can be derived from a variety of mechanisms, including an
IGP Shortest Path Tree (SPT), explicit configuration, or a Path
Computation Element (PCE).

Since SR can be applied to both MPLS and IPv6 data planes, a PCE
should be able to compute an SR Path for both MPLS and IPv6 data
planes. The Path Computation Element Communication Protocol (PCEP)
extension and mechanisms to support SR-MPLS have been defined. This
document outlines the necessary extensions to support SR for the IPv6
data plane within PCEP.

This document is a product of the Path Computation Element Working Group of the IETF.

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the 
standardization state and status of this protocol.  Distribution of this 
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