scholarly journals Self-Adaptation Techniques for Complex Service-oriented Systems

Author(s):  
Schahram Dustdar ◽  
Karl M. Goeschka ◽  
Hong-Linh Truong ◽  
Uwe Zdun
Author(s):  
Andreas Metzger ◽  
Elisabetta Di Nitto

This chapter sets out to introduce relevant foundations concerning evolution and adaptation of service-oriented systems. It starts by sketching the historical development of software systems from monolithic and mostly static applications to highly-dynamic, service-oriented systems. Then, it provides an overview and more thorough explanation of the various kinds of changes that may need to be faced by service-oriented systems. To understand how such changes could be addressed, the chapter introduces a reference service life-cycle model which distinguishes between evolution, viz. the manual modification of the specification and implementation of the system during design-time, and (self-)adaptation, viz. the autonomous modification of a service-oriented system during operation. Based on the discussion of the key activities prescribed by that life-cycle, the chapter elaborates on the need for agility in both adaptation and evolution of service-oriented systems.


Author(s):  
Harald Psaier ◽  
Lukasz Juszczyk ◽  
Florian Skopik ◽  
Daniel Schall ◽  
Schahram Dustdar

2018 ◽  
Vol 43 (2) ◽  
pp. 105-128
Author(s):  
Anna Kobusinska

Abstract Reliability is one of the bigest challenges faced by service-oriented systems. Therefore, to solve this problem, we have proposed ReServE - Reliable Service Environment. ReServE increases fault-tolerance of SOA systems and ensures consistent processing despite failures. However, the proposed environment imposes also the performance overhead. Thus, in this paper, we extended ReServE and added a monitoring feature provided by the M3 service. As a consequence, the extended environment can adjust appropriately the load of its modules to the changing interaction and behaviour patterns of service oriented systems. We have experimentally shown that the proposed solution, while providing the required level of reliability, decreases significantly the performance overhead.


Author(s):  
Andreas Metzger ◽  
Elisabetta Di Nitto

This chapter sets out to introduce relevant foundations concerning evolution and adaptation of service-oriented systems. It starts by sketching the historical development of software systems from monolithic and mostly static applications to highly-dynamic, service-oriented systems. Then, it provides an overview and more thorough explanation of the various kinds of changes that may need to be faced by service-oriented systems. To understand how such changes could be addressed, the chapter introduces a reference service life-cycle model which distinguishes between evolution, viz. the manual modification of the specification and implementation of the system during design-time, and (self-)adaptation, viz. the autonomous modification of a service-oriented system during operation. Based on the discussion of the key activities prescribed by that life-cycle, the chapter elaborates on the need for agility in both adaptation and evolution of service-oriented systems.


2015 ◽  
Vol 42 (11) ◽  
pp. 1339-1348
Author(s):  
Changhee Jung ◽  
Seok-Won Lee

Sign in / Sign up

Export Citation Format

Share Document