RFC 3568 on Known Content Network (CN) Request-Routing Mechanisms

A new Request for Comments is now available in online RFC libraries.

        RFC 3568

        Title:      Known Content Network (CN) Request-Routing
                    Mechanisms
        Author(s):  A. Barbir, B. Cain, R. Nair, O. Spatscheck
        Status:     Informational
        Date:       July 2003
        Mailbox:    abbieb <at> nortelnetworks.com, bcain <at> storigen.com,
                    nair_raj <at> yahoo.com, spatsch <at> research.att.com
        Pages:      19
        Characters: 42443
        Updates/Obsoletes/SeeAlso:  None

        I-D Tag:    draft-ietf-cdi-known-request-routing-03.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3568.txt

This document presents a summary of Request-Routing techniques that
are used to direct client requests to surrogates based on various 
policies and a possible set of metrics.  The document covers
techniques that were commonly used in the industry on or before
December 2000.  In this memo, the term Request-Routing represents
techniques that is commonly called content routing or content
redirection.  In principle, Request-Routing techniques can be
classified under: DNS Request-Routing, Transport-layer
Request-Routing, and Application-layer Request-Routing.