{"draft":"draft-ietf-v6ops-happy-eyeballs-07","doc_id":"RFC6555","title":"Happy Eyeballs: Success with Dual-Stack Hosts","authors":["D. Wing","A. Yourtchenko"],"format":["ASCII","HTML"],"page_count":"15","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"IPv6 Operations","abstract":"When a server's IPv4 path and protocol are working, but the server's\r\nIPv6 path and protocol are not working, a dual-stack client\r\napplication experiences significant connection delay compared to an\r\nIPv4-only client. This is undesirable because it causes the dual-\r\nstack client to have a worse user experience. This document\r\nspecifies requirements for algorithms that reduce this user-visible\r\ndelay and provides an algorithm. [STANDARDS-TRACK]","pub_date":"April 2012","keywords":["[--------]"],"obsoletes":[],"obsoleted_by":["RFC8305"],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC6555","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc6555"}