Happy Eyeballs: Trending Towards Success with Dual-Stack Hosts

Document Type Replaced Internet-Draft (individual)
Authors Dan Wing  , Andrew Yourtchenko 
Last updated 2011-03-07 (latest revision 2010-10-25)
Replaces draft-wing-http-new-tech
Replaced by RFC 6555
Stream (None)
Intended RFC status (None)
Expired & archived
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Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Replaced by draft-ietf-v6ops-happy-eyeballs
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes how a dual-stack client can determine the functioning path to a dual-stack server. This provides a seemless user experience during initial deployment of dual-stack networks and during outages of IPv4 or outages of IPv6.


Dan Wing (dwing@cisco.com)
Andrew Yourtchenko (ayourtch@cisco.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)