Title :
SLAng: a language for defining service level agreements
Author :
Lamanna, D. Davide ; Skene, James ; Emmerich, Wofgang
Author_Institution :
Dept. of Comput. Sci., Univ. Coll. London, UK
Abstract :
Application or web services are increasingly being used across organisational boundaries. Moreover, new services are being introduced at the network and storage level. Languages to specify interfaces for such services have been researched and transferred into industrial practice. We investigate end-to-end quality of service (QoS) and highlight that QoS provision has multiple facets and requires complex agreements between network services, storage services and middleware services. We introduce SLAng, a language for defining Service Level Agreements (SLAs) that accommodates these needs. We illustrate how SLAng is used to specify QoS in a case study that uses a web services specification to support the processing of images across multiple domains and we evaluate our language based on it.
Keywords :
Internet; distributed object management; electronic commerce; formal specification; middleware; quality of service; specification languages; SLAng specification language; Web services specification; electronic business; end-to-end quality of service; middleware services; network services; service level agreements; storage services; Conferences; Distributed computing;
Conference_Titel :
Distributed Computing Systems, 2003. FTDCS 2003. Proceedings. The Ninth IEEE Workshop on Future Trends of
Print_ISBN :
0-7695-1910-5
DOI :
10.1109/FTDCS.2003.1204317
