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Title : Path MTU Support for IPv6-in-IPv4 Tunnels
Author(s) : F. Templin
Filename : draft-templin-tunnelmtu-02.txt
Pages : 15
Date : 2003-11-11
This document specifies a means for IPv6-in-IPv4 tunnel endpoints to
dynamically determine maximum transmission unit (MTU) values using
IPv6 flow state, IPv6 neighbor discovery messages and a new IPv6
hop-by-hop option for MTU discovery. The mechanism provides a means
for: 1) the decapsulator to inform the encapsulator that the scheme
is implemented, 2) the decapsulator to inform the encapsulator of the
probed and maximum MTU sizes for the path and, and 3) the
encapsulator to recognize when probe packets have successfully
traversed the tunnel.
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