Search For:

Displaying 1-7 out of 7 total
Designing SCIT architecture pattern in a Cloud-based environment
Found in: Dependable Systems and Networks Workshops
By Quyen L. Nguyen,Arun Sood
Issue Date:June 2011
pp. 123-128
Cloud Computing has gained momentum in the IT world, due to its inherent elasticity that allows flexible on-demand computing resources such as CPU time, memory and storage size. However, Cloud security is a challenge. In this paper, we leverage Cloud servi...
A Comparison of Intrusion-Tolerant System Architectures
Found in: IEEE Security and Privacy
By Quyen L. Nguyen,Arun Sood
Issue Date:July 2011
pp. 24-31
With the advancing sophistication of security attacks, protecting open systems is increasingly challenging. Intrusion tolerance should be part of overall in-depth security. This article compares three types of intrusion-tolerant system architectures.
Content Server System Architecture for Providing Differentiated Levels of Service in a Digital Preservation Cloud
Found in: Cloud Computing, IEEE International Conference on
By Quyen L. Nguyen,Alla Lake
Issue Date:July 2011
pp. 557-564
The growing use of digital records in organizations creates a challenge of preservation and archival of these records. The entities dealing with the care and keeping of digital records include governmental organizations at the local and national level that...
Multiclass S-Reliability for Services in SOA
Found in: Software Engineering Advances, International Conference on
By Quyen L. Nguyen, Arun Sood
Issue Date:August 2010
pp. 514-519
In a Service-Oriented Architecture, a service contains a set of operations with clearly defined input and output parameters. In addition to these operations and traditional QoS, offered services need to publish different levels of intrusion tolerance for t...
Content Server Architecture Pattern for Evolvability and Scalability
Found in: Software Engineering Advances, International Conference on
By Quyen L. Nguyen, Alla Lake, Mark Huber
Issue Date:August 2010
pp. 149-154
Significant requirements for a large digital preservation system are the system scalability, its ability to store and service heterogeneous digital holdings, and the evolvability over time of both the technologies comprising the system and the data formats...
Non-functional requirements analysis modeling for software product lines
Found in: Modeling in Software Engineering, International Workshop on
By Quyen L. Nguyen
Issue Date:May 2009
pp. 56-61
In most IT projects, software developers usually pay attention to functional requirements that satisfy business needs of the system. Non-functional requirements (NFR) such as performance, usability, security, etc. are usually handled ad-hoc during the syst...
Comparative Analysis of Intrusion-Tolerant System Architectures
Found in: N/A
By Quyen L. Nguyen, Arun Sood
Publication Date: August 2010
pp. N/A
Today, institutions want to build open systems and provide services to the public via the Internet. Such systems would potentially expose security vulnerabilities, and become susceptible to attacks. Therefore, security is critical in order to ensure confid...