NDLI: A simulation study of update techniques for cyclic data broadcast

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A simulation study of update techniques for cyclic data broadcast

Content Provider	ACM Digital Library
Author	Buchholz, Sven Schill, Alexander Ziegert, Thomas
Abstract	Recently there has been increasing interest in the application of broadcast networks as high-bandwidth downstream channels of hybrid asymmetric communication platforms. This interest stems from an increasing number of mobile internet users demanding for high quality services, whereas wireless networks still lack in bandwidth substantially.In this paper we propose the utilization of so-called data carousels to disseminate web contents via high bandwidth data broadcast networks. A data carousel is a set of data items that is repeatedly broadcast. This concept is also referred to as `Caches in the Air' or `Disks in the Air'.We focus on techniques to incorporate updates of the set of data items into the carousel cycle. We suggest four different update techniques Full Cycle Completion (FCC), Cycle Completion with Early Removal (CC/ER), Immediate Cycle Restart (ICR) and Immediate Cycle Restart with Object Reordering (ICR/R). Performance examinations show CC/ER or ICR/R, respectively (depending on the deployed client-side caching), excel their competitors within the relevant range of update frequencies. Both techniques scale very well up to high update frequencies within the relevant range.
Starting Page	115
Ending Page	122
Page Count	8
File Format	PDF
ISBN	1581133782
DOI	10.1145/381591.381629
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2001-07-21
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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