Study of Various Data Dissemination Types and its Protocols - A Review
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Abstract
Vehicular plays an important role in day-to-day
world in the field of automobiles. VANETs are the subclass of
mobile ad-hoc Networks which have no central infrastructure.
Nodes are highly mobile in VANET. VANET is distinguished
from MANET by their features, design and applications. A
Vehicular Ad-Hoc Network or VANET is a sub form of Mobile
Ad-Hoc Network or MANET that provides communication
between vehicles and between vehicles and road-side base
stations with an aim of providing efficient and safe
transportation. A vehicle in VANET is considered to be an
intelligent mobile node capable of communicating with its
neighbors and other vehicles in the network. VANET
introduces more challenges aspects as compare to MANET
because of high mobility of nodes and fast topology changes in
VANET. In this paper, VANET basics structure, its
architecture, challenges, applications are discussed. Data
dissemination is a challenging task because by utilizing
limited bandwidth, maximum data has to disseminate over the
vehicular network. Many researchers have provided several
techniques to disseminate data so that the data can be
accessed more efficiently. Major stress is given to this topic
where data dissemination types and its protocols are
compared.
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