The two principal switching techniques used in wired networks are circuit switching and packet switching. One of the main differences between them is the way resources are shared. Circuit switching provides exclusive access to the resources by means of reservation. In packet switching, on the other hand, resources are shared on demand, without prior reservation. While it is obvious that packet switching is suitable for a wired data network such as the Internet, it is not clear whether this is true in the case of ad hoc wireless networks.
To the best of our knowledge, a direct study and comparison between these two switching schemes for wireless ad hoc and sensor networks has not been reported in the literature so far. In this paper, we investigate the performance of two switching paradigms: reservation-based (RB) and non-reservation-based (NRB) switching. The concepts of reservation and non-reservation are analogous to those of circuit switching and packet switching in wired networks, respectively.
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