NDLI: A QoS-aware service selection algorithm for multimedia service overlay networks

Content Provider	IEEE Xplore Digital Library
Author	Wenzhong Li Yilin Wang Chunhong Li Sanglu Lu Daoxu Chen
Copyright Year	2007
Description	Author affiliation: State Key Lab. for Novel Software Technol., Nanjing Univ., Nanjing (Wenzhong Li; Yilin Wang; Chunhong Li; Sanglu Lu; Daoxu Chen)
Abstract	Multimedia applications are becoming more and more popular on today's Internet. Given the enormous development costs and less flexibility, traditional monolithic based approaches are not suitable for building large-scale multimedia systems. By composing of distributed, autonomous services dynamically to provide more complex tasks, service composition provides an attractive way for building large-scale Internet applications. So, multimedia service composition provides a viable solution to large-scale complex multimedia systems. One of the challenging issues of multimedia service composition is how to find service paths to route the data flows through while meeting the applications' resource requirements and specific QoS constraints. However, QoS-aware service routing problem is typically NP-hard. In this paper, we propose a heuristic algorithm named greedy-EF to solve this problem more effectively. More specially, greedy-EF uses an aggregate function to evaluate the QoS conditions for each service instance, and a hop-by-hop service selection approach to explore the proper service path. Simulations show that greedy-EF algorithm can achieve desired QoS assurances as well as load balancing in multimedia service overlay networks.
Starting Page	1
Ending Page	8
File Size	318202
Page Count	8
File Format	PDF
ISBN	9781424418893
ISSN	15219097
DOI	10.1109/ICPADS.2007.4447718
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-05
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Streaming media Large-scale systems Web and internet services Multimedia systems Heuristic algorithms Delay Availability Costs Aggregates Load management
Content Type	Text
Resource Type	Article
Subject	Hardware and Architecture

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