A new Request for Comments is now available in online RFC libraries.
RFC 4459
Title: MTU and Fragmentation Issues with
In-the-Network Tunneling
Author: P. Savola
Status: Informational
Date: April 2006
Mailbox: psavola@funet.fi
Pages: 14
Characters: 32051
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-savola-mtufrag-network-tunneling-05.txt
URL: http://www.rfc-editor.org/rfc/rfc4459.txt
Tunneling techniques such as IP-in-IP when deployed in the middle of
the network, typically between routers, have certain issues regarding
how large packets can be handled: whether such packets would be
fragmented and reassembled (and how), whether Path MTU Discovery
would be used, or how this scenario could be operationally avoided.
This memo justifies why this is a common, non-trivial problem, and
goes on to describe the different solutions and their characteristics
at some length. This memo provides information for the Internet community.
INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution
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Authors, for further information.
Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute
...
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