Hi Zaifeng, I have following questions and concerns about your proposed solution "The FAP will then send the FAP information together with the corresponding SeGW notarized signature to its mobile operator's core network. The core network verifies the FAP information by validating the SeGW notarized signature prior to the acceptance of the information". Is every ip packet carries SeGW notarized signature after server sends notarized signature to the client? if not, what's the point in returning notarized signature to the client? I believe yes, if so, It will increase percentage of overhead per packet and may impact quality of real time voice and video. if every ip packet carries SeGW notarized signature, How and where this signature carried inside ip packet? will it bring some modifications inside IPsec packet processing? Is this processing happens outside of IPsec? is it outside scope of this document? It would be great, if some of these aspects are addressed in the draft. Thanks, Dharmanandana Reddy Pothula.
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