Nowadays mobile communications gain more and inspired concepts permeate the network and its services, more importance. The increased usage requires more blending them together, so that the network moulds itself sophisticated services. In this paper a possible, future to the services it runs, and services, in turn, become a network architecture is examined, called BIONETS. In this mirror image of the social networks of users they serve. case the mobile nodes for the entire network, withoutThis new paradigm breaks the barrier between service dedicated backbone is present. We pursue the goal of providers and users, and sets up the opportunity for finding an optimal information dissemination model over "mushrooming" of spontaneous services, therefore some mobility model. The investigation covers our paving the way to a service-centric ICT revolution.previously defined protocol called IOBIO, classical Such network in our case consists of two types of broadcast and a newly developed adaptive broadcast nodes. The information is gathered and initial messages algorithm. We run several simulations -with an own . . simulator created in OMNeT++ in order to decide which pare created by the so called T-nodes, but they do not one is the optimal information dissemination method for the Ticitypes of nodes can be descrabed for onstance as given mobility environment. The results give us the advantage to further improve the communication in such sensors measuring the temperature of a road. The other networks.types of nodes are the U-nodes. These are carried by the users of the network and can be PDAs, mobile phones, Index Terms-ad hoc networks, adaptive broadcast, etc. U-nodes transmit and process information, and they BIONETS, information dissemination change location as the user moves, in spite of the T-nodes that locations are fixed. We used the Constant Speed I. INTRODUCTION Mobility Model and the Reference Point Group MobilityThe inherent flexibility offered by the development of Model with Dynamic Clustering to simulate the portable computers and wireless networking has lead to movement of the U-nodes. the large growth in mobile computing. In most wireless Communication between nodes can occur in two ways: networks there is some kind of central coordinating entity. the first one is the communication between two U-nodes, Communications occur by means of routing and usage of the second one is between a T-node and a U-node (at this a base station as a gateway between the wireless and stage there is no communication between T-nodes.). For wired network. However there are situations when no battery saving and other reasons broadcasting is not an central coordinator can be implemented. In these cases the efficient way of communication. In this paper our main mobile nodes must form an autonomous network concern is to find an efficient way for information communicating by using only wireless methods, without dissemination between the U-nodes. any centralized intelligence and management.The paper is organized as follows. In the se...
We examined the efficiency of information dissemination assuming a disconnected network architecture where highly mobile nodes form the network. The nodes have different limitations, like short battery life and low computing capabilities. We created IOBIO and MIOBIO, two protocols for information dissemination in this environment. In this article we present the results of several simulations -with a simulator created in OMNeT++ to analyze opportunistic communicationsto compare the performance of the two information dissemination methods for a given mobility environment. The results give us an insight how to decrease the cost of communication in such networks.
The information dissemination was examined in a special disconnected network architecture where the moving nodes form the network. The nodes have certain kind of limitations, in terms of battery and computing capabilities. We created APF and IOBIO, two protocols for information dissemination in this environment. In this article we present the results of several simulations -run in a simulator created in OMNeT++ -to decide which information dissemination method is optimal for a given mobility environment. The results give us information to further improve the communication in such networks.
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