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embellishments for the user. ese enhancements are enabled through the specication and utili-
zation of APIs that represent network layer and service layer abstractions. is represents a service
innovation potential, through open API frameworks that augment the QoE. e OSE is aligned
with the SDF model, through the use of the I0, I1, and the I2 interfaces.
e guiding principles of the OSE include the following*:
◾ e service enablers embody the foundational aspects of SOA, where their exposure to third-
party applications is policy oriented—management and enforcement—within a mobile con-
nectivity network or at its edge.
◾ Web ser ...