P. P. Vorobiyenko, D. A. Zaitsev and K. D. Guliaiev, “Way of Data Transmission within Network with Substi-tution of Network and transport layers by Universal Technology of Data-Link Layer,” Patent of Ukraine on Utility Model, No. 35773, 2008.
 K. D. Guliaiev, D. A. Zaitsev, D. A. Litvin and E. V. Radchenko, “Simulating E6 Protocol Networks Using CPN Tools”, Proceedings of International Conference on IT Promotion in Asia, Tashkent, 22-26 August 2008, pp. 203-208.
 M. Beaudouin-Lafon, W. E. Mackay, M. Jensen, et al., “CPN Tools: A Tool for Editing and Simulating Coloured Petri Nets,” International Conference of Tools and Algo-rithms for the Construction and Analysis of Systems, Ge-nova, 2-6 April 2001, pp. 574-580. http://www.daimi. au.dk/CPNTools
 D. A. Zaitsev and T. R. Shmeleva, “Switched Ethernet Response Time Evaluation via Colored Petri Net Model,” Proceedings of International Middle Eastern Multiconfe-rence on Simulation and Modelling, Alexandria, 28-30 August 2006, pp. 68-77.
 D. A. Zaitsev, “An Evaluation of Network Response Time Using a Coloured Petri Net Model of Switched LAN,” Proceedings of 5th Workshop and Tutorial on Practical Use of Coloured Petri Nets and the CPN Tools, Aarhus, 8-11 October 2004, pp. 157-167.
 D. A. Zaitsev and A. L. Sakun, “An Evaluation of MPLS Efficacy Using Colored Petri Net Models,” Proceedings of International Middle Eastern Multiconference on Si-mulation and Modelling, Amman, 26-28 August 2008, pp. 31-36.
 M. V. Bereznyuk, K. K. Gupta and D. A. Zaitsev, “Effec-tiveness of Bluetooth Address Space Usage,” Proceedings of 20th International Conference, Software & Systems Engineering and their Applications, Paris, 4-6 December 2007.