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
Working Group of the IETF.
Title : ALTO Protocol
Author(s) : Richard Alimi
Reinaldo Penno
Y. Richard Yang
Filename : draft-ietf-alto-protocol-14.txt
Pages : 75
Date : 2013-02-25
Abstract:
Applications using the Internet already have access to topology
information of Internet Service Provider (ISP) networks. For
example, views to Internet routing tables at looking glass servers
are available and can be practically downloaded to many application
clients. What is missing is knowledge of the underlying network
topologies from the point of view of ISPs (henceforth referred as
Providers). In other words, what a Provider prefers in terms of
traffic optimization -- and a way to distribute it.
The Application-Layer Traffic Optimization (ALTO) Service provides
network information (e.g., basic network location structure and
preferences of network paths) with the goal of modifying network
resource consumption patterns while maintaining or improving
application performance. The basic information of ALTO is based on
abstract maps of a network. These maps provide a simplified view,
yet enough information about a network for applications to
effectively utilize them. Additional services are built on top of
the maps.
This document describes a protocol implementing the ALTO Service.
Although the ALTO Service would primarily be provided by the network
operator (e.g., an ISP), content service providers and third parties
could also operate this service. Applications that could use this
service are those that have a choice to which end points to connect.
Examples of such applications are peer-to-peer (P2P) and content
delivery networks.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-alto-protocol
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-alto-protocol-14
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-alto-protocol-14
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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