Happy Eyeballs: Success with Dual-Stack Hosts, April 2012
- Canonical URL:
- File formats:
- PROPOSED STANDARD
- Obsoleted by:
- RFC 8305
- D. Wing
- v6ops (ops)
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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]
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.