Towards an Efficient Content-Based Dissemination Protocol and Notification Techniques for Disconnected MANETs
Keywords:
Cache management, documents dissemination expiring time, notification service.Abstract
Opportunistic
Networking is a kind of
communication in which hosts that compose the network
must store, carry and forward a message an d must keep as
much messages as possible to increase the chance of sharing
them to other hosts. In this kind of network, nodes update
continuously their cache according to their mobility and
interest. Thus deleting a message in a cache when its deadline is
reached reduces the possibility of carrying and sending it to
other hosts. According to some realistic scenarios, a host may be
interested in content that has just been discarded from a cache.
Moreover, cache management in the same area of
communication is important for it increases the delivery rate of
a message or document. The actual paper presents a protocol
that supports communication in sparse and disconnected
Network and addresses the problems mentioned above by
designing a content notification scheme and a forwarding
decision algorithm based on the expiring time of message in
disconnected Mobile ad hoc network scenario. Experiments and
simulations show that these two approaches of data
dissemination we propose improve the content delivery rate and
enable fast dissemination of messages
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