NDLI: Content Distribution in VANETs Using Network Coding: The Effect of Disk I/O and Processing O/H

Content Provider	IEEE Xplore Digital Library
Author	Seung-Hoon Lee Uichin Lee Kang-Won Lee Gerla, M.
Copyright Year	2008
Description	Author affiliation: Los Angeles IBM Thomas J. Watson Res. Center, Univ. of California, Los Angeles, CA (Seung-Hoon Lee; Uichin Lee; Kang-Won Lee; Gerla, M.)
Abstract	Besides safe navigation (e.g., warning of approaching vehicles), car to car communications will enable a host of new applications, ranging from offlce-on-the-wheel support to entertainment. One of the most promising applications is content distribution among drivers such as multi-media files and software updates. Content distribution in vehicular networks is a challenge due to network dynamics and high mobility, yet network coding was shown to efficiently handle such dynamics and to considerably enhance performance. This paper provides an in-depth analysis of implementation issues of network coding in vehicular networks. To this end, we consider general resource constraints (e.g., CPU, disk, memory) besides bandwidth, that are likely to impact the encoding and storage management operations required by network coding. We develop an abstract model of the network coding procedures and implement it in the wireless network simulator to evaluate the impact of limited resources. We then propose schemes that considerably improve the use of such resources. Our model and extensive simulation results show that network coding parameters must be carefully configured by taking resource constraints into account.
Starting Page	117
Ending Page	125
File Size	306475
Page Count	9
File Format	PDF
ISBN	9781424417773
DOI	10.1109/SAHCN.2008.24
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Network coding Application software Vehicle dynamics Navigation Vehicle safety Multimedia communication Memory management Bandwidth Encoding Resource management
Content Type	Text
Resource Type	Article

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