NDLI: Composing Web Services in an Open World: QoS Issues

Content Provider	IEEE Xplore Digital Library
Author	Benveniste, A.
Copyright Year	2008
Abstract	Summary form only given. Orchestrating Web services has become the method of choice for building new services on top of existing ones, e.g., for business processes. Languages and methods have been developed and are now getting widely used, BPEL being the typical instance. When exposing the profile of a Web service, QoS parameters are typically specified. Besides security aspects, QoS involves a variety of parameters related to performance as well as quality of the returned data. How QoS should be handled in this context is the subject of my talk. A number of novel and not so well identified issues occur that make this topic deviating from QoS for networks in a substantial way. Firstly, since Web services aim at hiding details for the external world, no information regarding the infrastructure or resources supporting a Web service are exposed. This prevents from using classical resource based performance models; so contracts are preferred instead. A second important feature is that, unlike in networks, the control in orchestrations may depend on the carried data. Consequently performance and data interfere. These and other features make the subject of QoS for composite Web services a novel area offering plenty of non standard issues that I shall discuss.
Starting Page	121
Ending Page	121
File Size	118383
Page Count	1
File Format	PDF
ISBN	9780769533605
DOI	10.1109/QEST.2008.49
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-14
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Silver Web services Biological system modeling Quality of service Mathematics Security Business
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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