S. Kaczmarek, M. Młynarczuk, M. Narloch, and M. Sac, “The Realization of NGN Architecture for ASON/GMPLS Network”, JTIT, vol. 45, no. 3, pp. 47–56, Sep. 2011, doi: 10.26636/jtit.2011.3.1157.