International Conference on Fundamental Approaches to Software Engineering
Link to Published Version
Journal or Book Title
Fundamental Approaches to Software Engineering. FASE 2011. Lecture Notes in Computer Science
FASE 2011: Fundamental Approaches to Software Engineering
March 24-April 1, 2011
The ability to adapt software systems to fix bugs, add/change features without restarting is becoming important for many domains including but not limited to finance, social networking, control systems, etc. Fortunately, many ideas have begun to emerge under the umbrella term “dyanamic updating” to solve this problem. Dynamic updating is critical to address certain software evolution needs. Dynamic updating literature evaluates such systems in terms of coverage (i.e. what type of code changes are supported) and performance. However, we do not have a technique to analyze whether certain updating solution, based on its costs and benefits, is suitable for an application.
In this paper, we present a quantitative analysis model to fill this gap. Our model is parameterized and it can be instantiated with application-specific valuation functions. Given the software evolution history of the application under consideration, our model allows rigorous comparisons of the value of different software updating schemes (e.g. online vs. offline). We illustrate our model using two case studies inspired from the the evolution history of Xerces XML parser library and Apache httpd web server. Other case studies and evaluation examples are presented in our technical report [Gharaibeh, Rajan and Chang 09]. The proposed analysis scheme can serve system architects in evaluating their current updating scheme. For example, to audit the system’s value during previous development cycles and whether a different updating scheme will generate higher value.
Springer-Verlag Berlin Heidelberg
Gharaibeh, Bashar; Rajan, Hridesh; and Chang, Morris, "Analyzing Software Updates: Should You Build a Dynamic Updating Infrastructure?" (2011). Computer Science Conference Presentations, Posters and Proceedings. 19.