Author(s):
Pekka Nikander, Tuomas Aura, Jari Arkko, and Gabriel Montenegro

VTC2003 Fall, Orlando, Florida, October 6-9, 2003

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Mobile IP version 6 (MIPv6) Route Optimization Security Design (pdf)

Abstract:
Mobile IPv6 (MIPv6) allows a Mobile Node to talk directly to its peers while retaining the ability to move around and change the currently used IP address. This mode of operation is called Route Optimization (RO), as it allows the packets to traverse a shorter route than the default one through the HomeAgent. In Route Optimization, the peer node learns a binding between the Mobile Node's permanent Home Address and its current temporary Care-of-Address. Once such a binding is in place, the peer node will send all packets whose destination is the Home Address to the Care-of-Address. This is potentially dangerous, since a malicious host might be able to establish false bindings, thereby preventing some packets from reaching their intended destination, diverting some traffic to the attacker, or flooding third parties with unwanted traffic.

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