[rfc-dist] RFC 6555 on Happy Eyeballs: Success with Dual-Stack Hosts

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        RFC 6555

        Title:      Happy Eyeballs: Success with Dual-Stack 
                    Hosts 
        Author:     D. Wing, A. Yourtchenko
        Status:     Standards Track
        Stream:     IETF
        Date:       April 2012
        Mailbox:    dwing at cisco.com, 
                    ayourtch at cisco.com
        Pages:      15
        Characters: 34048
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-v6ops-happy-eyeballs-07.txt

        URL:        http://www.rfc-editor.org/rfc/rfc6555.txt

When a server's IPv4 path and protocol are working, but the server's
IPv6 path and protocol are not working, a dual-stack client
application experiences significant connection delay compared to an
IPv4-only client.  This is undesirable because it causes the dual-
stack client to have a worse user experience.  This document
specifies requirements for algorithms that reduce this user-visible
delay and provides an algorithm.  [STANDARDS-TRACK]

This document is a product of the IPv6 Operations Working Group of the IETF.

This is now a Proposed Standard Protocol.

STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol.  Distribution of this memo is unlimited.

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