Mobile ad hoc networks are an evolution of wireless networks in which no fixed infrastructure is needed. Nodes communicate directly between each other, without the need for a base station. Most of the works in ad hoc networks have been dedicated to routing problems. The field of QoS providing is still widely open. But this issue is very challenging in ad hoc networks where the bandwidth is scarce, the packet transmissions are more subject to errors and the network is highly dynamic. This paper presents a bandwidth reservation framework for ad hoc networks that includes a reservation protocol that is strongly coupled to an authorization framework implemented within the management plane using a policy-based approach.
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