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Summary: ParaNets: A Parallel Network Architecture for Challenged Networks
Khaled A. Harras, Mike P. Wittie, Kevin C. Almeroth, and Elizabeth M.Belding
Department of Computer Science, University of California, Santa Barbara, CA 93106
{kharras, mwittie, almeroth, ebelding}@cs.ucsb.edu
Abstract
Networks characterized by challenges, such as intermit-
tent connectivity, network heterogeneity, and large delays,
are called "challenged networks". We propose a novel net-
work architecture for challenged networks dubbed Parallel
Networks, or, ParaNets. The vision behind ParaNets is to
have challenged network protocols operate over multiple
heterogenous networks, simultaneously available, through
one or more devices. We present the ParaNets archi-
tecture and discuss its short-term challenges and long-
term implications. We also argue, based on current re-
search trends and the ParaNets architecture, for the evo-
lution of the conventional protocol stack to a more flex-
ible cross-layered protocol tree. To demonstrate the po-
tential impact of ParaNets, we use Delay Tolerant Mobile
Networks (DTMNs) as a representative challenged network
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