“CAPAF is the reference information exchange community to share knowledge and experiences of all aspects regarding performance of composite applications”. 

• The main objective of CAPAF is to stimulate information and experience exchange between IT specialists, customers/users and researchers concerned with performance assurance of Composite Applications and Service Oriented Architectures (SOA). Further, CAPAF aims at building a strong and widespread community that can carry on the mission of establishing best practices and standards of software performance engineering as an anchored activity in software engineering processes.
• The Composite Applications Performance Assurance Forum deals with all aspects of performance of Composite Applications and the underlying design methodology, the Service Oriented Architectures (SOA). The topics addressed by the Forum have to reflect the current needs, expectations and interest of the IT industry and customers/users.

CAPAF Brochure

Capaf Survey

What we understand “Performance” to be:

The degree to which software application or component meets its related requirements in terms of response time and/or resource usage.

Composite Applications Performance: Multidimensional aspects!

The performance of composite applications in increasing use by many IT departments depends on several factors, which we classify as follow:

Application: the structure, the relationship and the internal implementation of the components  has an essential impact on the end-to-end application performance.  

Load and usage patterns: the component processing time depends on data volume and on the concurrent running tasks within the same runtime environment.  

Resources: the hardware resources in terms of CPU, and memory as well as the “soft”-resources such as connections, and threads  are demanded by the application at runtime to process the user requests.