NDLI: The Impact of Transient Loads on the Performance of Service Ecologies

Content Provider	IEEE Xplore Digital Library
Author	Dyachuck, D. Deters, R.
Copyright Year	2007
Description	Author affiliation: Saskatchewan Univ., Saskatoon (Dyachuck, D.; Deters, R.)
Abstract	Well defined, loosely coupled services are the basic building blocks of the service-orientated design-integration paradigm. Services are computational elements that expose functionality in a platform independent manner and can be described, published, discovered, orchestrated and consumed across language, platform and organizational borders. Using service-orientation (SO) it is fairly easy to expose existing applications/resources and to aggregate them into novel services called composite services (CS). This aggregation is achieved by defining a workflow that orchestrates the underlying services in a manner consistent with the desired functionality. Since CS can aggregate atomic and other CS, they foster the development of service layers and reuse of already existing functionality. This gave rise to the idea of service networks and consequently service ecologies. In these service ecologies providers and consumers build a self-organizing system across platform and organizational borders, in which resources and business processes are shared. However, the ease with which resources are shared raises concerns in regards to the dependability (e.g. reliability, availability) of the resulting system and consequently the feasibility of service ecologies. This paper focuses on the performance issues that arise when composite services are exposed to transient loads and discusses the need for admission control and adaptive scheduling as a means for improving the performance in service ecologies.
Starting Page	245
Ending Page	250
File Size	6294232
Page Count	6
File Format	PDF
ISBN	1424404673
DOI	10.1109/DEST.2007.371978
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-02-21
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Availability SOA Ecosystems Service oriented architecture Workflow Environmental factors Application software Computer science Web services Aggregates Atomic layer deposition Overload Admission control Performance
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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