Dr. Dennis Guster

Dr. Dennis Guster

Professor of Information Systems
Ed.D. in Education, Research Design/Statistics
Centennial Hall 367C – (320) 308-4961
dcguster@stcloudstate.edu
http://www.bcrl.stcloudstate.edu

 

 

 

Dr. Dennis Guster has 25+ years teaching experience in higher education and has been housed in the Computer Science and Statistics departments before joining the BCIS Department in 2001. Dr. Guster has served as a consultant and provided industry training to organizations such as Compaq, NASA, DISA, USAF, Motorola, and ATT.  He has published numerous works in computer networking, distributed processing, high performance computing and computer modeling/simulation. Further he has undertaken numerous sponsored research projects. To serve as an umbrella for these projects he organized and is Director of the Business Computing Research Laboratory which features Force 10 switching equipment and a several computer clusters the largest of which contains 200 processors.

Education:

  • Ed.D., University of Missouri, St. Louis, 1981
  • Master of Science, Bemidji State University, 1974
  • Bachelor of Science, Bemidji State University, 1973

Area of Teaching:

  • IS 251 JAVA Programming
  • IS 352 Unix Operating Systems
  • IS 353 Client Server Architectures
  • IS 459/559 Service Oriented Architectures
  • IS 451/551 Telecommunications and Networks
  • IS 471/571 Security Policy
  • IS 483/583 Client/Server Security
  • IA 671 Advanced Security Policy

Research Interests:    

  • Network design
  • Network performance analysis
  • Distributed processing
  • High performance computing
  • Security policy
  • Computer modeling/simulation
  • Computer network security

Recent Publications:

Refereed Journal Articles

Safonov, P. I., Guster, D. C., & Hemminger, C. (2011). Employing host virtualization and symmetric multi-processing as a strategy for improving performance in computentionally intense problems. Issues in Information Systems, XII(1), 357-365.

Guster, D. C., Lee, O. F., & Rogers, D. C. (2011). Pitfalls of devising a security policy in virtualized hosts. Journal of Information Security Research, 2(2), 75-83.

Hemminger, C., Rogers, D. C., & Guster, D. C. (2010). Planning and Managing the Data Center to Green Computing. International Journal of Business Research, 10(4), 105-113.

Lee, O. F., & Guster, D. C. (2010). Virtualized Disaster Recovery Model for Large Scale Hospital and Healthcare Systems. International Journal of Healthcare Information Systems and Informatics, 5(3), 69-81.

Lee, O. F., Guster, D. C., Schmidt, M., & McCann, B. (2009). Applying the Scale Free Distribution Algorithm to Assess Communication Complexity and Failure Points in Disaster Recovery Models. Journal of Information Technology Management, 20(2), 35-46.

Guster, D. C., Schmidt, M., & Bergiel, E. (2009). Distributed Clusters and the Effects of Switch Configuration and Line Speed. Business Research Yearbook, 16(1), 139-144.

Hemminger, C., Safonov, P. I., Guster, D. C., Meunier, J., & Schroeder, C. (2009). The Advantages of Virtualizing a University Computing Instructional Domain. Issues in Information Systems, 10(2), 218-225.

Guster, D. C., Hemminger, C., & Krzenski, S. (2009). Using Virtualization to Reduce Data Center Infrastructure and Promote Green Computing. International Journal of Business Research, 9(6), 133-139.

Lee, O. F., Guster, D. C., & Schmidt, M. (2009). WAN Line Speed and Its Implications for the Support of Globally Remote Replicas in a Disaster Recovery Model. Business Research Yearbook, 16(1), 349-354.

Sultanov, R., Khugaev, A. V., & Guster, D. C. (2009). State-resolved rotational cross sections and thermal rate coefficients for ortho-/para-H2+HD at low temperatures and HD+HD elastic scattering. Chemical Physics Letters, 475, 175-182.

Guster, D. C., Schmidt, M., Hall, C., & Brown, C. (2009). Evaluating performance data and scalability issues in distributed data mining: A first level analysis. International Journal of Business, Marketing, and Decision Sciences, 2(1).

Guster, D. C., McCann, B., Krzenski, K., & Lee, O. F. (2008). A cost effective, safe, and simple method to provide a disaster recovery plan to small and medium sized businesses. Review of Business Research, 8(4), 63-71.

Guster, D. C., Safonov, P. I., Brown, C., & Jansen, B. (2008). An analysis of distributed database indexing method in regard to performance of extract/transform/load (ETL) processes. Issues in Information Systems, IX(2), 544-550.

Weber, J. E., Guster, D. C., & Safonov, P. I. (2008). Password security and weak passwords: A developmental perspective. Journal of Information Technology Management, 19(3).

You, L., Guster, D. C., & Sundheim, R. A. (2008). Using the packet analysis method to teach secure communications in client/server computing. Journal of Informatics Education Research, 10(1), 1-35.

Weber, J. E., Guster, D. C., Safonov, P. I., & Schmidt, M. (2008). Weak password security: An empirical study. Information Security Journal, 17(1), 45-54.

Maskey, S., Jansen, B., Guster, D. C., & Hall, C. (2007). A basic firewall configuration strategy for the protection of development-related computer networks and subnetworks. The (ISC)2 Journal: Information Systems Security, 16(5).

Sultanov, R., & Guster, D. C. (2007). Close Coupling Calculations of Rotational Energy Transfer in p-H2 + HD. Chemical Physics Letters, 436, 19-24.

Brown, C., Guster, D. C., & Krzenski, S. (2007). Can Distributed Databases Provide an Effective Means of Speeding Up Web Access Times?. Journal of Information Technology Management, 18(1), 1-15.

Guster, D. C., Safonov, P. I., Sundheim, R. A., & Sultanov, R. (2006). Determining the Effectiveness of Using Linux Operating System Demonstrations to Illustrate Message Digest Concepts and Vulnerabilities. Journal of Informatics Education Research, 8(3), 81-105.

Schmidt, M., Nordby, M., & Guster, D. C. (2006). Managing the Enterprise Network: Performance of Routing Versus Switching on a State of the Art Switch. Business Research Yearbook, 13, 147-152.

Sultanov, R., & Guster, D. C. (2006). Rotational Energy Transfer in H2 + H2. Chemical Physics Letters, 428, 227-230.

Sultanov, R., & Guster, D. C. (2006). State Resolved Rotational Excitation Cross Section Rates in H2 + H2 Collisions. Chemical Physics, 326, 641-646.

Guster, D. C., Sultanov, R., Nordby, M., & Sundheim, R. A. (2006). Using Distributed Processing to Enhance Performance Characteristics of Hosts Used to Support WWW Applications. International Journal of Business Research, 6(2), 67-71.

Safonov, P. I., Guster, D. C., Sultanov, R., & Podkorytov, D. (2006). Processor type and its relationship to performance in the application of distributed processing to determine vulnerabilities in password files. Issues in Information Systems, 7(2), 33-37.

Guster, D. C., Sundheim, R. A., & Safonov, P. I. (2005). Analysis of End-User Services and their Potential Load on the Network. Journal of the Academy of Business and Economics, 5(3).

Safonov, P. I., Guster, D. C., Sultanov, R., & Krivulin, N. (2005). Is Deployment of Distributed Processing for Business Applications a Sound Management Decision: Performance, Analysis and Simulation. Journal of Information Technology Management, 16(3), 9-17.

Safonov, P. I., Guster, D. C., Parnerkar, A., & Hall, C. (2005). Management of LAN Design for Business Applications Using Hierarchical Switching: Simplicity Versus Added Delay. Issues in Information Systems, 6(2).

Krivulin, N. K., Guster, D. C., & Hall, C. M. (2005). On Parallel Implementation of a Discrete Optimization Random Search Algorithm. WSEAS Transactions on Computers, 4(9), 1122-1129.

Guster, D. C., Sohn, C., Safonov, P. I., & Robinson, D. (2003). A Comparison of Asynchronous Transfer Mode (ATM) and High Speed Ethernet: The Network Design Implications to a Business Organization. International Journal of Information Technology and Decision Making, 2(4), 683-692.

Sultanov, R., & Guster, D. C. (2003). Integral Differential Equation Approach to Atomic 3-Body Systems. Journal of Computational Physics, 192(1), 231-243.

Weber, J. E., & Guster, D. C. (2003). Integrating Network Attached Mass Storage Systems into Educational Networks: An Initial Examination. Mountain Plains Journal of Business and Economics, 4.

Guster, D. C., Safonov, P. I., Hall, C., & Sundheim, R. A. (2003). Using Simulation to Predict Performance Characteristics of Mirrored WWW Hosts. Issues in Information Systems, 4(2), 479-485.

Parnerkar, A., Guster, D. C., & Herath, J. (2003). Secret Key Distribution Protocol Using Public Key Cryptography. Journal of Computing Sciences in Colleges, 19(1), 182-193.

Safonov, P. I., Al-Hamamah, A., Bachman, E., & Guster, D. C. (2003). Computing and Network Performance of a Distributed Parallel Processing Environment Using MPI and PVM Communication Methods. The Journal of Computing Sciences in Colleges, 18(4), 246-253.

Weber, J. E., & Guster, D. C. (2002). Potential of IT Supported Online Education to Affect the Strategic Environment of Higher Education. Issues in Information Systems, 3.

Book Chapters

Sultanov, R., & Guster, D. C. (2012). Numerical Modeling and Simulations of Pulsatile Human Blood Flow in Different 3D-Geometries. In Fluid Dynamics, Computational Modeling and Applications (pp. 475-492). Rijeka, Croatia: InTech.

Guster, D. C., & Lee, O. F. (2011). Effective Infrastructure Protection Through Virtualization. In ICT Ethics and Security in the 21st Century: New Developments and Applications (pp. 231-253). Hershey, PA: IGI Global Publisher.

Guster, D. C., Schmidt, M., Hall, C., & Sultanov, R. (2009). Analyzing bandwidth usage in a distributed processing environment. In Selected Topics in Communication Networks and Distributed Systems, edited by Dr. Sudip Misra, Dr. Subhas C. Misra and Dr. Issac Woungang. Singapore: World Scientific.

Guster, D. C., Robinson, D., & Sundheim, R. A. (2008). Evaluating Computer Network Packet Distributions. In Encyclopedia of Information Science and Technology. Hersey, PA: Idea Group.

Guster, D. C., Robinson, D. H., & Safonov, P. I. (2005). Packet Inter-Arrival Distributions in Computer Network Workloads. In Encyclopedia of Information Science and Technology. Hersey, PA: Idea.

Guster, D. C. (2002). A Comparison of Stochastic Models for Interarrival times of Packets in a Computer Network. In Optimal Information Modeling Techniques: IRM Press.

Other

Guster, D. C., Lee, O., & McCann, B. (in press). Outsourcing and Replication Considerations in Disaster Recovery Planning. Disaster Prevention and Management.

Safonov, P. I., McDougall, R., & Guster, D. C. (2012). Refining Auditing Techniques to Proactively Test for Dictionary Based Brute Force Internet Attacks (pp. 191-198): Proceedings of the International Academy of Business and Public Administration Disciplines (IABPAD) Conference, Orlando, FL.

Guster, D. C., Schmidt, M., Smith, M., & Gillespie, N. (2012). Implementing Cloud Computing in a Departmental University Instructional and Research Computing Domain: Challenges and Benefits (pp. 254-260): Proceedings of the International Academy of Business and Public Administration Disciplines (IABPAD) Conference, Orlando, FL.

Rego, I., Gillespie, N., & Guster, D. C. (2011). Implementing a Distributed Key Algorithm to Enhance Confidentiality and Provide Fault Tolerance: Proceedings of the 44th Midwest Instructional Computing Symposium.

Guster, D. C., Lee, O., & Rogers, D. (2011). Security Policy Concerns in a Virtualized Network Environment: Proceedings of the 44th Midwest Instructional Computing Symposium.

Hemminger, C., Smith, M., Gillespie, N., & Guster, D. C. (2011). The Implementation of Virtual Networking to Enhance Performance and Reduce Network Load in an Autonomous Systems Employing Virtual Computing: Proceedings of the 44th Midwest Instructional Computing Symposium.

McDougall, R., Gillespie, N., & Guster, D. C. (2011). Using An Enhanced Dictionary to Facilitate Auditing Techniques Related to Brute Force SSH and FTP Attacks: Proceedings of the 44th Midwest Instructional Computing Symposium.

Guster, D. C., Lee, O. F., & Rogers, D. (2011). Virtualized Hosting: Devising a Security Policy Through Log Analysis: 4th International Conference on the Application of Digital  Information and Web Technologies.

Safonov, P. I., Brown, C., & Guster, D. C. (2011). Developing a Software Simulator to Predict the Effectiveness of Using Thermal Sensors to Perform CPU Scheduling in a WWW Based Distributed Data Base Application: International Conference on Data Engineering and Internet Technology.

Guster, D. C., Lee, O. F., Rogers, D. C., & Nitsch, C. (2010). Scaling Performance of Virtualized Servers Deployed In a Health Care Setting. San Diego, CA: 41th Decision Sciences Institute (DSI) Annual Meeting.

Lee, O. F., Guster, D. C., Schmidt, M., & McCann, B. (2009). A First Approach in the Assessment of the Complexity of Disaster Recovery Models for SMEs. San Francisco, CA: Proceedings of the 2009 Americas Conference on Information Systems (AMCIS).

Guster, D. C., Hemminger, C., Meunier, J., & Schroeder, C. (2009). Using KERBEROS to Harden the Active Directory System (LDAP) in a Domain Used to Support Grid/Clustering Activity: Proceedings of the Midwest Instructional Computing Symposium, April 16-17, Rapid City, SD.

Sultanov, R., & Guster, D. C. (2003). Parallel Computing for Semiquantal Few Body Systems in Atomic Physics (vol. 2667, pp. 568-576): Lecture Notes in Computer Science.

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