NDLI: TCP performance in hybrid multigranular OBS networks

Content Provider	IEEE Xplore Digital Library
Author	Casoni, M. Raffaelli, C.
Copyright Year	2009
Description	Author affiliation: D.E.I.S. - University of Bologna - Viale Risorgimento 2, Italy (Raffaelli, C.) \|\| Dept. of Information Engineering - University of Modena and Reggio Emilia, Via Vignolese 905, Italy (Casoni, M.)
Abstract	This paper studies TCP performance with different offset times which arise when hybrid multi-granular technology is employed in OBS core nodes. Multi-granular switches are promising devices to match dynamic application needs while optimizing switch costs and feasibility. They foster optical burst switching in multi-service contexts where switching matrices are designed and optimized in application awareness. OBS base offset time is strictly dependent on switching matrix set up time which, in presence of hybrid technology, is different from path to path. These differences impact on end-to-end performance and in particular on TCP throughput. This work studies end-to-end performance for two basic classes of connections, namely slow and fast connections. Simulations results based on a careful set up of ns-2 simulations according to test bed configurations described in literature are provided to show the effects of the employment of different optical technologies on the TCP throughput.
Starting Page	1
Ending Page	6
File Size	4445694
Page Count	6
File Format	PDF
ISBN	9789639799493
DOI	10.4108/ICST.BROADNETS2009.8020
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-14
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	ICST
Subject Keyword	Computer architecture Software engineering Computer networks Internet Protocols TCPIP Large-scale systems Algorithm design and analysis Object oriented modeling Educational institutions
Content Type	Text
Resource Type	Article

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