RFC 7286

Application-Layer Traffic Optimization (ALTO) Server Discovery, November 2014

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S. Kiesel
M. Stiemerling
N. Schwan
M. Scharf
H. Song
alto (ops)

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DOI:  https://doi.org/10.17487/RFC7286

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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.

This document specifies a procedure for resource-consumer-initiated ALTO server discovery, which can be used if the ALTO client is embedded in the resource consumer.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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