A proper support for multimedia communications transport has to provide fault tolerance capabilities such as the preservation of established connections in case of failures. While multi - homing addresses this issue, the currently available solution based in massive BGP route injection present serious scalability limitations, since it contributes to the exponential growth of the BGP table size. Alternative solutions proposed for IPv6 fail to provide equivalent facilities to the current BGP based solution. This paper presents MEX (Multi - homing through EXtension header) a novel proposal for the provision of IPv6 multi - homing capabilities.
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