{"draft":"draft-ietf-intarea-ipv6-required-02","doc_id":"RFC6540","title":"IPv6 Support Required for All IP-Capable Nodes","authors":["W. George","C. Donley","C. Liljenstolpe","L. Howard"],"format":["ASCII","HTML"],"page_count":"6","pub_status":"BEST CURRENT PRACTICE","status":"BEST CURRENT PRACTICE","source":"Internet Area Working Group","abstract":"Given the global lack of available IPv4 space, and limitations in\r\nIPv4 extension and transition technologies, this document advises\r\nthat IPv6 support is no longer considered optional.  It also cautions\r\nthat there are places in existing IETF documents where the term \"IP\"\r\nis used in a way that could be misunderstood by implementers as the\r\nterm \"IP\" becomes a generic that can mean IPv4 + IPv6, IPv6-only, or\r\nIPv4-only, depending on context and application.  This memo documents \r\nan Internet Best Current Practice.","pub_date":"April 2012","keywords":["[--------]","IPv4","requirement"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":["BCP0177"],"doi":"10.17487\/RFC6540","errata_url":null}