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Development on Diameter Resource Control Application A pair of new commands is needed to support Push mode to allow the Diameter server to initiate a new session Policy-Install-Request/Answer (PIR/PIA) are proposed A few new mandatory AVPs are needed to support new commands PI-Request-Type and PI-Request-Number are proposed Additional AVPs are needed to support broad resource control capabilities, e.g. NAT traversal/NAPT, deep packet inspection The data structure of basic resource control AVPs should take into account other SDOs’ work, e.g. rule based data structure defined by 3GPP Certain mechanisms are needed Discovery/selection of communicating party and Binding of resource control request with Diameter session Hard state and soft state Issues Stateful Vs. stateless |