[alto] I-D Action: draft-ietf-alto-path-vector-02.txt

internet-drafts@ietf.org Mon, 18 December 2017 10:11 UTC

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Subject: [alto] I-D Action: draft-ietf-alto-path-vector-02.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         : Greg Bernstein
                          Shiwei Dawn Chen
                          Kai Gao
                          Young Lee
                          Wendy Roome
                          Michael Scharf
                          Y. Richard Yang
                          Jingxuan Jensen Zhang
	Filename        : draft-ietf-alto-path-vector-02.txt
	Pages           : 26
	Date            : 2017-12-18

   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

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