{"draft":"draft-ietf-ipv6-router-selection-07","doc_id":"RFC4191","title":"Default Router Preferences and More-Specific Routes","authors":["R. Draves","D. Thaler"],"format":["ASCII","HTML"],"page_count":"15","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"IP Version 6 Working Group","abstract":"This document describes an optional extension to Router\r\nAdvertisement messages for communicating default router preferences\r\nand more-specific routes from routers to hosts.  This improves the\r\nability of hosts to pick an appropriate router, especially when the\r\nhost is multi-homed and the routers are on different links.  The\r\npreference values and specific routes advertised to hosts require\r\nadministrative configuration; they are not automatically derived\r\nfrom routing tables.  [STANDARDS-TRACK]","pub_date":"October 2005","keywords":["router advertisement"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4191","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc4191"}