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 : Application-Layer Traffic Optimization (ALTO) Requirements
Author(s) : S. Previdi, et al
Filename : draft-ietf-alto-reqs-09.txt
Pages : 21
Date : 2011-05-10
Many Internet applications are used to access resources, such as
pieces of information or server processes, which are available in
several equivalent replicas on different hosts. This includes, but
is not limited to, peer-to-peer file sharing applications. The goal
of Application-Layer Traffic Optimization (ALTO) is to provide
guidance to applications, which have to select one or several hosts
from a set of candidates, that are able to provide a desired
resource. This guidance shall be based on parameters that affect
performance and efficiency of the data transmission between the
hosts, e.g., the topological distance. The ultimate goal is to
improve performance (or Quality of Experience) in the application
while reducing resource consumption in the underlying network
infrastructure.
This document enumerates requirements for ALTO, which should be
considered when specifying, assessing, or comparing protocols and
implementations.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-alto-reqs-09.txt
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ftp://ftp.ietf.org/internet-drafts/
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