A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Multi-Cost ALTO
Authors : Sabine Randriamasy
Wendy Roome
Nico Schwan
Filename : draft-randriamasy-alto-multi-cost-09.txt
Pages : 36
Date : 2014-10-27
Abstract:
IETF is designing a new service called ALTO (Application Layer
traffic Optimization) that includes a "Network Map Service", an
"Endpoint Cost Service" and an "Endpoint (EP) Ranking Service" and
thus incentives for application clients to connect to ISP preferred
Endpoints. These services provide a view of the Network Provider
(NP) topology to overlay clients.
The present draft proposes a simple way to extend the information
provided by the current ALTO protocol in two ways. First, including
information on multiple Cost Types in a single ALTO transaction
provides a better mapping of the Selected Endpoints to needs of the
growing diversity of Content and Resources Networking Applications
and to the network conditions. Second, one ALTO query and response
exchange on N Cost Types is faster and more efficient than N single
cost transactions. All this also helps producing a faster and more
robust choice when multiple Endpoints need to be selected. Last, the
draft proposes to enrich the filtering capabilities by allowing
constraints involving several metrics combined by several types of
logical operators. This allows the applications to set finer
requirements and above all to include compromises on those
requirements.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-randriamasy-alto-multi-cost/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-randriamasy-alto-multi-cost-09
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-randriamasy-alto-multi-cost-09
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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