%% You should probably cite rfc8669 instead of this I-D. @techreport{ietf-idr-bgp-prefix-sid-19, number = {draft-ietf-idr-bgp-prefix-sid-19}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-idr-bgp-prefix-sid/19/}, author = {Stefano Previdi and Clarence Filsfils and Acee Lindem and Arjun Sreekantiah and Hannes Gredler}, title = {{Segment Routing Prefix SID extensions for BGP}}, pagetotal = 17, year = 2018, month = apr, day = 7, abstract = {The Segment Routing (SR) architecture allows a node to steer a packet flow through any topological path and service chain by leveraging source routing. The ingress node prepends an SR header to a packet containing a set of segment identifiers (SID). Each SID represents a topological or a service-based instruction. Per-flow state is maintained only on the ingress node of the SR domain. This document defines an optional, transitive BGP attribute for announcing BGP Prefix Segment Identifiers (BGP Prefix-SID) information.}, }