Flow Oriented Approaches to QoS Assurance ROBERT WOJCIK and ANDRZEJ JAJSZCZYK, AGH University of Science and Technology, Krak w o The following ow-oriented architectures for quality of service assurance in IP networks are surveyed: Integrated Services, Connectionless Approach to QoS guarantees, Dynamic Packet State, Caspian Networks and Anagran, the Feedback and Distribution method, Flow-Based Differentiated Services, Flow-Aware Networking, the Flow-State-Aware transport, and Flow-Aggregate-Based services. The reasons why ow-awareness attracted so much attention are explained, and the current studies as well as the development history of the solutions are presented. The following features of the discussed architectures are compared: ow de nition, classes of service, architecture, and signaling. Also, their pros and cons, complexity, and scalability, as well as perspectives are assessed. Categories and Subject Descriptors: C.2.1 [Computer-Communication Networks]: Network Architecture and Design General Terms: Performance, Algorithms, Design Additional Key Words and Phrases: Internet, quality of service, ow ACM Reference Format: W jcik, R. and Jajszczyk, A. 2012. Flow oriented approaches to QoS assurance. ACM Comput. Surv. 44, 1, o Article 5 (January 2012), 37 pages. DOI = 10.1145/2071389.2071394 http://doi.acm.org/10.1145/2071389.2071394 1. INTRODUCTION The rapid growth and the popularization of the Internet has exceeded even the wildest dreams of its
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Flow Oriented Approaches to QoS Assurance
Wójcik, Robert; Jajszczyk, Andrzej
Follow ACM Computing Surveys (CSUR)
, Volume 44 (1)
Association for Computing Machinery – Jan 1, 2012
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