Towards a New Architectural Framework – The Nth Stratum Concept M. Johnsson, J. Huusko, T. Frantti, F-U Andersen, T.M.T Nguyen, M. Ponce de Leon [email_address] , [email_address] , [email_address] , [email_address] , [email_address] , [email_address]

Relation between strata STP = Stratum Transition Point SSP = Stratum Service Point SGP = Stratum Gatewaying Point Figure . Relation between two strata.

Figure . Nth stratum, horizontal and vertical strata, and CFI methods a) and b).

Core Feature Integrity: The Magic Triangle Mobility Properties Security Properties QoS Properties Interworking Properties (a) Design the SGP so that it contains a function that concentrates (i.e. simultaneously manages) Mobility/QoS/Security control information QoS related inform. Mobility related inform. Security related inform. (b) Following the inheritance path so that t he most „abstract“ Stratum gets a „coherence“ Property for Mobility/Qos/Security Which will then be inherited by all the other strata.

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