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Issues with using transition tunnels and mobility tunnels Double Tunneling IPv6 over IPv4 tunnel between MN and transition router A MIP6 tunnel between the MN and the HA inside the transition tunnel Three IP header at the minimum Movement Transparency on IPv4 access network the MR moves and MR’s IPv4 access address changes, transition tunnel breaks No mobility for transition tunnel Tunnel needs to be setup again before binding update can be sent You need Mobility for transition tunnel Mobility for MIP6 / NEMO tunnel Security between the MN and the transition router No pre-existing security relationship in all cases MN and HA have pre-existing security relationship |