[alto] I-D Action: draft-ietf-alto-path-vector-07.txt
internet-drafts@ietf.org Mon, 08 July 2019 23:39 UTC
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Date: Mon, 08 Jul 2019 16:39:38 -0700
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Subject: [alto] I-D Action: draft-ietf-alto-path-vector-07.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Application-Layer Traffic Optimization WG of the IETF. Title : ALTO Extension: Path Vector Cost Type Authors : Kai Gao Young Lee Sabine Randriamasy Y. Richard Yang Jingxuan Jensen Zhang Filename : draft-ietf-alto-path-vector-07.txt Pages : 29 Date : 2019-07-08 Abstract: The Application-Layer Traffic Optimization (ALTO) protocol [RFC7285] has defined cost maps and endpoint cost maps to provide basic network information. However, they provide only scalar (numerical or ordinal) cost mode values, 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 the capacity region for a given set of flows (called co-flows). A non-normative example called co-flow scheduling is presented to illustrate the limitations of existing ALTO endpoint cost maps. After that, details of the extension are defined. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-alto-path-vector/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-alto-path-vector-07 https://datatracker.ietf.org/doc/html/draft-ietf-alto-path-vector-07 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-alto-path-vector-07 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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