REQ-7: Signaling message protection Signaling messages of the protocol solutions for DMM SHALL be protected in terms of authentication, data integrity, and data confidentiality. Data confidentiality to signaling messages SHALL be opt-in or opt-out depending on network environments or user requirements.
REQ-7M (Motivation and problem statement) Signaling messages are subject to various attacks since those messages carry context of a mobile host/router. For instance, a malicious node can forge and send a number of signaling messages to redirect traffic to a specific node. The result of such an attack is both the specific node becomes under a denial of service attack and other nodes do not receive their traffic. As signaling messages travel over the Internet, the end-to-end security is required. (The above has been drafted with contributions, inputs and discussions from various people. Additional contributions and comments are most welcome.) H Anthony Chan
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