A new Request for Comments is now available in online RFC libraries.
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@cisco.com,
ayourtch@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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