%% You should probably cite rfc9275 instead of this I-D. @techreport{ietf-alto-path-vector-03, number = {draft-ietf-alto-path-vector-03}, 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-alto-path-vector/03/}, author = {Greg M. Bernstein and Shiwei Dawn Chen and Kai Gao and Young Lee and Wendy Roome and Michael Scharf and Y. Richard Yang and Jingxuan Zhang}, title = {{ALTO Extension: Path Vector Cost Type}}, pagetotal = 25, year = 2018, month = mar, day = 5, abstract = {The Application-Layer Traffic Optimization (ALTO) protocol {[}RFC7285{]} has defined several resources and services to provide clients with basic network information. However, the base ALTO protocol and latest extensions only provide end-to-end metrics, which are insufficient to satisfy the demands of solving more complex network optimization problems. This document introduces an extension to the base ALTO protocol, namely the path-vector extension, which allows ALTO clients to query information such as capacity regions for a given set of flows. A non-normative example called multi-flow scheduling is presented to illustrate the limitations of existing ALTO (endpoint) cost maps. After that, details of the extension are defined.}, }