3. Naas, N., Mouftah, H. T., Efficient heuristics for planning GMPLS transport networks, Canadian Conference on Electrical and Computer Engineering, CCECE 2007, Vancouver, British Columbia, Canada, s.n., April 22-26, 2007. 24. Fukumoto, T., Komoda, N., Optimal paths design for a GMPLS network using the Lagrangian relaxation method, Symposium on Computational Intelligence in Scheduling, SCIS '07, Honolulu, HI, IEEE, 2007. 25. Lackovié, M., Mikac, B., Analytical VS. simulation approach to availability calculation of cir- cuit switched optical transmission network, Proceedings of the 7th International Conference on Telecommunications, ConTEL 2003, Zagreb, Croatia, IEEE, s.l., Vol. 2, pp. 743-750, 2003. 26. Sone, Y., Nagatsu, N., Imajuku, W., Jinno, M., Takigawa, Y., Optical path restoration scheme escalation achieving enhanced operation and high survivability in multiple failure scenarios, Network Innovation Laboratories, Public Presentation, NTT, 2007. 27. Ricciato, F., Listanti, M., Salsano, S., An architecture for differentiated protection against single and double faults in GMPLS, Photonics Networks Communications, 8(1), 119-132 (2004). 28. Kirstadter, A., Iselt, A., Winkler, C., Pasqualini, S., A quantitative study on the influence of ASON/ GMPLS on OPEX, International Journal of Electronics and Communications, 60(1), 1-4 (2006). 29. Pasqualini, S., Kirstädter, A., Iselt, A., Chahine, R., Verbrugge, S., Colle, D., Pickavet, M., Demeester, P., Influence of GMPLS on network providers' operational expenditures: A quanti- tative study, IEEE Communications Magazine, 6, 28-34 (2005). 30. USA Bureau of Labor, National Compensation Statistical data, 2010, Public Report, http:// www.bls.gov/data/ (accessed: July 2, 2010). Convergent Network Management and Control Plane 31. Organization for Economic Cooperation and Development, Unit Labor Cost working paper including detailed zone aggregation methodology, 2010, Public Report, http://stats.oecd.org/ ei/default.asp?lang=e&subject=19&country=OEU (accessed: July 2, 2010). 32