{"draft":"draft-ietf-pmtud-method-11","doc_id":"RFC4821","title":"Packetization Layer Path MTU Discovery","authors":["M. Mathis","J. Heffner"],"format":["ASCII","HTML"],"page_count":"32","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Path MTU Discovery","abstract":"This document describes a robust method for Path MTU Discovery\r\n(PMTUD) that relies on TCP or some other Packetization Layer to probe\r\nan Internet path with progressively larger packets.  This method is\r\ndescribed as an extension to RFC 1191 and RFC 1981, which specify\r\nICMP-based Path MTU Discovery for IP versions 4 and 6, respectively.  [STANDARDS-TRACK]","pub_date":"March 2007","keywords":["[--------|p]","maximum transmission unit","pmtud"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":["RFC8899"],"see_also":[],"doi":"10.17487\/RFC4821","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc4821"}