{"draft":"draft-savola-mtufrag-network-tunneling-05","doc_id":"RFC4459","title":"MTU and Fragmentation Issues with In-the-Network Tunneling","authors":["P. Savola"],"format":["ASCII","HTML"],"page_count":"14","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"IETF - NON WORKING GROUP","abstract":"Tunneling techniques such as IP-in-IP when deployed in the middle of\r\nthe network, typically between routers, have certain issues regarding\r\nhow large packets can be handled: whether such packets would be\r\nfragmented and reassembled (and how), whether Path MTU Discovery\r\nwould be used, or how this scenario could be operationally avoided.\r\nThis memo justifies why this is a common, non-trivial problem, and\r\ngoes on to describe the different solutions and their characteristics\r\nat some length.  This memo provides information for the Internet community.","pub_date":"April 2006","keywords":[],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4459","errata_url":null}