Quality of Service Routing in DSR
نویسنده
چکیده
Ad hoc wireless networks consist of mobile nodes interconnected by multihop communication paths. Unlike conventional wireless networks, ad hoc networks have no fixed network infrastructure or administrative support. The topology of the network changes dynamically as mobile nodes join or depart the network or radio links between nodes become unusable. This article addresses some of the quality of service (QoS) issues for ad hoc networks that have recently started to receive increasing attention in the literature. We present the basic concepts and discuss the implementation of QoS routing in ad hoc networks, and in particular, dynamic source routing (DSR). We then provide the following enhancements: (a) introduction of ICMP QoS_LOST message to the source and (b) the caching of bandwidth information.
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