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 of the
IETF.
Title : Multi-Cost ALTO
Authors : Sabine Randriamasy
Wendy Roome
Nico Schwan
Filename : draft-ietf-alto-multi-cost-03.txt
Pages : 29
Date : 2016-08-10
Abstract:
The ALTO (Application Layer-Traffic Optimization) Protocol
([RFC7285]) defines several services that return various metrics
describing the costs between network endpoints. An ALTO Server may
offer a variety of cost metrics, based on latency,bandwidth, hop
count, jitter, or whatever else the ALTO Server deems useful. For
example, when downloading a file that is mirrored on several sites, a
user application may consider more than one metric, perhaps trading
bandwidth for latency to determine the most efficient mirror site.
While the base ALTO Protocol allows a client to use more than one
cost metric, to do so, the client must request each metric
separately. This document defines a new service that allows a client
to retrieve several cost metrics with one request, which is
considerably more efficient. In addition, this document extends the
ALTO constraint tests to allow a user to specify an arbitrary logical
combination of tests on several cost metrics.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-alto-multi-cost/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-alto-multi-cost-03
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-alto-multi-cost-03
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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