Abstract:

The next generation network enables the third-party service providers to make use of network functionality through the open APL A mechanism of OSA/PAR  LAY API transfer is analyzed, and the realization methods of framework access, service discovery, service selection and service transfer are proposed An example of transfer based on the Lucent MiLife ISG Simulator is given. The shortcomings of the PARLAY specification are pointed out, and the suggestions for the improvement are Put forward.

Key words: NGN, OSA, PARLAY, mechanism of transfer, CORBA