A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Third-Party ALTO Server Discovery (3pdisc)
Author(s) : Sebastian Kiesel
Kilian Krause
Martin Stiemerling
Filename : draft-kist-alto-3pdisc-04.txt
Pages : 15
Date : 2013-07-15
Abstract:
The goal of Application-Layer Traffic Optimization (ALTO) is to
provide guidance to applications that have to select one or several
hosts from a set of candidates capable of providing a desired
resource. ALTO is realized by a client-server protocol. Before an
ALTO client can ask for guidance it needs to discover one or more
ALTO servers that can provide suitable guidance.
This document specifies a procedure for third-party ALTO server
discovery, which can be used if the ALTO client is not co-located
with the actual resource consumer, but instead embedded in a third
party such as a peer-to-peer tracker.
Technically, the algorithm specified in this document takes one
IP address and a U-NAPTR Service Parameter (i.e., "ALTO:http" or
"ALTO:https") as parameters. It performs several DNS lookups (for
U-NAPTR and SOA resource records) and returns one or more URI(s) of
information resources related to that IP address.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-kist-alto-3pdisc
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-kist-alto-3pdisc-04
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-kist-alto-3pdisc-04
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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