Publications

RECENT PUBLICATIONS (refereed)

PART A: Papers

* ME and MRE Analysis of General Continuous-Time QNMs of Computer and Communication (and Production) Systems

- Building Blocks: Single and Two-Station Cyclic Queues

[1] Tabet-Aouel, N. and Kouvatsos, D.D., "On the Approximation of the Mean Response Times of Priority Classes in a Stable G/G/c/PR Queue", J. Opl. Res. Soc., Vol.43, No.3, pp.227-239, 1992.

[2] Kouvatsos, D.D. and Tabet-Aouel, N., "An ME-Based Approximation for Multi-Server Queues with Preemptive Priority", European Journal of Oper. Res., Vol.77, pp.496-515, 1994.

[3] Kouvatsos, D.D. and Skianis, C.A., "Minimum Relative Entropy and Queues with Vacations", Proceedings of the 10th UK Performance Engineering Workshop, Hillston, J. et al (eds.). Edinburgh University Press, pp. 67-78, Sept.'94.

- QNMs with Infinite Capacity

[4] Kouvatsos, D.D. and Tabet-Aouel, N., "Approximate Solutions for Networks of Queues with Multiple Server Stations Under PR Discipline", Proc. of 8th UK Perf. Eng. Workshop, Harrison, P. and Field, A. (Eds.), Imperial College, Sept. 1992.

[5] Kouvatsos, D.D. and Denazis, S.G., "Entropy Maximised Queueing Networks with Blocking and Multiple Job Classes", Performance Evaluation 17, pp.189-205, 1993.

[6] Kouvatsos, D.D., "Entropy Maximisation and Queueing Network Models", Annals of Operations Research, Special Issue on Queueing Networks, Vol.48, pp.63-126, 1994.

[7] Kouvatsos, D.D., "Maximum Entropy Analysis of Queueing Network Models", Lecture Notes in Computer Science, Springer-Verlag, Vol.729, pp.245-290, 1993.

[8] Kouvatsos D.D. and Awan I.U, "MEM for Closed Exponential Queueing Networks with RS Blocking and Multiple Job Classes", Proceedings of 11th UK Performance Engineering Workshop, M. Merabti (ed.), Springer-Verlag, Sept. 1995 (to appear).

[9] Kouvatsos D.D. and Skianis H. "MRE Analysis of Open Exponential Queueing Networks with server vacation and Blocking ", Proceedings of 11th UK Performance Engineering Workshop, M. Merabti (ed.), Springer-Verlag, Sept. 1995 (to appear).

[10] Kouvatsos D.D. and Awan I.U., "Arbitary GE-Type Closed Queueing Networks with Blocking and Multiple Job Classes". Queueing Networks with Finite Capacity QNets - 95 (to appear).

[11] Kouvatsos D.D and Skiannis H, "Arbitrary GE-Type Open Queueing Networks with Server Vacations and Blocking". Networks with Finite Capacity, QNets - 95 (to appear).

* PMs and ME Analysis of QNMs of User-Resource Computer Subnetworks with

- Complex I/O Subsystems

[12] Kouvatsos, D.D. and Simpson, A.K, "A New Model of Contention in I/O Subsystems with Disk-Caches", (submitted for publication)

- Database Concurrency Control

[13] Kouvatsos, D.D. and Smith, K., "Probabilistic Models for Database Concurrency Control Performance", Proceedings of the 10th UK Performance Engineering Workshop, Hillston J. et al (eds.), Edinburgh University Press, pp.145-158, Sept.'94.

* Asymptotic Approximation Analysis of Complex Queueing Models Evolving in Randomly Changing Environments with Application to

- Multiprocessor Systems

[14] Sztrik, J. and Kouvatsos, D.D., "Asymptotic Analysis of a Heterogeneous Multiprocessor System in a Randomly Changing Environment", IEEE Software Eng. Vol.17, No.10, pp.1069-1075, 1991.

[15] Sztrik, J. and Kouvatsos, D.D., "Performance Modelling of a Heterogeneous Multiprocessor System in a Randomly Changing Environment", Performance '93, IFIP WG 7.3, Iazeolla, G. and Lavenberg, S. (Eds.), Elsevier Science Publishers B.V., pp.390-394, 1993.

- Multi-buffered ATM Switches

[16] Kouvatsos, D.D., Fretwell, R.J. and Sztrik, J., "Bounds on the Effects of Correlation in a Stable MMPP/MMPP/1/N Queue: An Asymptocic Approach", Performance Modelling and Evaluation of ATM Networks, IFIP Publication, Chapman and Hall, London, Vol.1, pp.261-281, 1995.

* Exact (BRPs) and ME Analysis of General Continuous Time and Discrete-Time QNMs of ATM Switch Architectures and Networks

- Building Blocks: Queueing Models of ATM Switches

[17] Kouvatsos, D.D. and Denazis, S.G., "A Universal Building Block for the Approximate Analysis of a Shared Buffer ATM Switch Architecture", Annals of Operations Research, Special Issue on Methodologies for Performance Analysis of High Speed Networks, Vol.49, pp.241-278, 1994.

[18] Kouvatsos, D.D. and Tabet-Aouel, N., "GGeo-Type Approximations for General Discrete-Time Queueing Systems", IFIP Transactions, Special Issue on Modelling and Performance Evaluation of ATM Technology, NorthHolland, Vol.C-15, pp.469- 483, 1993.

[19] Kouvatsos, D.D., Tabet-Aouel, N.M. and Denazis, S.G., "ME-Based Approximations for General Discrete-Time Queueing Models", Performance Evaluation, Special Issue on Discrete-Time Models and Analysis Methods of Performance Evaluation, Vol.21, pp81-109, 1994.

[20] Kouvatsos, D.D. and Fretwell, R., "Discrete-Time Batch Renewal Processes with Application to ATM Switch Performance", Proceedings of the 10th UK Performance Engineering Workshop, Hilston, J. Etal (eds.). Edinburgh University Press, pp.187- 192, Sept.'94.

[21] Kouvatsos, D.D. and Fretwell, R. J., “Batch Renewal Process: Exact Model of Traffic Correlation”, Proceedings of Scholl Dagstuhl Seminars on "Architecture and Protocols for High Performance Networks", A. Danthine et al. (eds), Kluwer Academic Publishers, 1996 (to appear).

[22] Kouvatsos, D.D. and Fretwell,R. "Closed Form Performance Distribution of a Discrete Time GI /D/1/N Queue with Correlated Traffic". In Data Communications and their Performance, Fdida S. and Onvural R.O. (eds.), Chapman ? Hall pp. 141- 163, 1995.

[23] Kouvatsos, D.D. and Zanasi, F., "A Generalised Exponential Model of the Push-Out Space Priority Mechanism", Proceedings of the 10th UK Performance Engineering Workshop, Edinburgh University Press, Hillston, J. et al (eds.), pp.2738, Sept.'94. - 'Logical' Queueing Models of DQDB Networks

[24] Tabet-Aouel, N. and Kouvatsos, D.D., "A Discrete-Time Queueing Model for the Performance Analysis of DQDB", IEE Teletraffic Digest, Institution of Electrical Engineers (UK), Vol.10, pp.16/1-16/7, 1993. [25] Kouvatsos, D.D., Tabet-Aouel, N. and Denazis, S.G, "A Discrete-Time Maximum Entropy Solution for the Performance Analysis of DQDB Architectures", Computer and Telecommunication Systems Performance Engineering, Woodward, M. et al (Eds.), Pentech Press, pp.175-184, 1994.

[26] Tabet-Aouel, N.M. and Kouvatsos, D.D., "Performance Analysis of a DQDB under a Priority MAC Protocol, Performance Modelling and Evaluation of ATM Networks, IFIP TC6, Kouvatsos, D.D. (Ed.), University of Bradford, 24/1-24/12, 1993. Also in "Performance Evaluation of Distributed Systems", Distributed Systems Journal, Harrison, P (ed.), 1996 (to appear). - ATM Flow Control

[27] Zanasi, F.A. and Kouvatsos, D.D., "A Discrete-Time Queueing Model of an ATM Leaky-Bucket Policing Mechanism", Proceedings of Computer Aided Modelling and Design (CAMAD) Workshop, Melamed, B. (Ed.), C?C Research Labs., Princeton, New Jersey, USA, April 1994 (to appear). Also under the title "A GE/GE/1/N Censored Queueing Model of an ATM `Leaky Bucket' Policing Mechanism", Proceedings of the 10th UK Performance Engineering Workshop, Hillston J. et al (eds.), Edinburgh University Press, pp.193-198, 1994. - Discrete - Time QNMs of ATM Switches

[28] Kouvatsos,D.D., Tabet-Aouel, N. and Denazis, S.G., "GGeo-Type Approximations for Arbitrary Discrete-Time Queueing Networks",Computer and Telecommunications Systems Performance Engineering, Woodward, M. et al(Eds.), Pentech Press, pp.157-164, 1994.

[29] Kouvatsos, D.D., Tabet-Aouel, N.M. and Denazis, S.G., "Approximate Analysis of Discrete-Time Queueing Networks with or without Blocking", IFIP Transactions, Special Issue on High Speed Networks and their Performance, North-Holland, Vol.C-21, pp.399-434, 1994.

[30] Kouvatsos, D.D. and Wilkinson, J., "A Product-Form Approximation for Discrete- Time Arbitrary Networks of ATM Switch Architectures",Performance Modelling and Evaluation of ATM Networks, IFIP Publication, Chapman and Hall, London, Vol.1, pp. 365-383, 1995.

[31] Kouvatsos, D.D., "Cost-Effective Analytic Solutions for Models of ATM Switches", ATM Teletraffic Handbook, IFIP Publication, Vol.1, Chapman and Hall, London.

[32] Pinto A. de C., Harrison P.G. and Kouvatsos D.D., "Performance Analysis of Packet-Switched Buffered ATM Switches", IFIP Proceedings of ATM-95, pp. 75/1- 75/9, 1995.

[33] Kouvatsos, D.D., “Cost Effective Methodologies for Queueing Models of ATM Switched Networks”, Proceedings of 11th UK Performance Engineering Workshop for Computer and Telecommunication Systems, Keynote Paper, Merabti, M. (ed.), Springer Verlag, 1995 (to appear).

PART B: Books

* Research Monograph

[1] Kouvatsos, D.D., "Entropy Maximisation, Queueing and Computer Systems Applications", approx. 750 pages (to appear).

* Books which are collected refereed papers

[2] Kouvatsos, D.D. (Editor), "Performance Modelling and Evaluation of ATM Networks", Proceedings of the 1st UK Workshop of IFIP's TC6, WG 6.4 and Task Force on Performance of Computer Networks, University of Bradford, July 1993 (~ 320 pages).

[3] Kouvatsos, D.D. (Editor), "Performance Modelling and Evaluation of ATM Networks", IFIP Publications, Chapman and Hall, London, Vol. 1 (1995) and Vol.2 1996 (to appear).

[4] Kouvatsos, D.D. (Editor), "ATM Teletraffic Handbook", Chapman and Hall, London, 1995 (to appear).

[5] Kouvatsos, D.D. and Dallery, Y. (Editors), "Queueing Network Models with Finite Capacity," International Publication, 1996 (to appear).
 

Authors:         D.Kouvatsos, C.Skianis, G.Dimakopoulos 
Last update:   27/01/98