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Basic Problems Addressed No AAA “hook” during network access authentication to provision the Mobile Node with the Home Agent address and mobility service authorization credentials EAP solutions such as draft-giaretta-mip6-authorization require AAA during network access authentication Tight trust lacking between Mobility Service Provider and Access Service Provider DHCP solutions such as draft-ohba-mip6-boot require very high trust between networks for roaming support Home Network Access Service Provider uses AAA but is not also a Mobility Service Provider |