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DOI:
Mavjud emas
1.ITU-T, “General overview of NGN”, Recommendation Y.2001, Dec. 2004.
2. ITU-T, “General principles and general reference model for Next Generation Networks”, Recommendation Y.2011, Oct. 2004
. ITU-T, “Functional requirements and architecture of the NGN”, Recommendation Y.2012, Sep. 2006
4. ITU-T, “Resource and admission control functions in Next Generation Networks”, Recommendation Y.2111, Sep. 2006
5. ITU-T, “Principles for the Management of the Next Generation Networks”, Recommendation Y.2401, Mar. 2006.