Few real-world applications of mobile ad hoc networks have been developed or deployed outside the military environment, and no traces of actual node movement in a real ad hoc network have been available. In this paper, we propose a novel commercial application of ad hoc networking, we describe and evaluate a multitier ad hoc network architecture and routing protocol for this system, and we docu...

Ad hoc networks are emerging as the next generation of networks. An ad hoc network is an autonomous system of mobile stations connected by wireless links, union of these mobile stations form a communication network in the form of an arbitrary communication graph. Mobile stations in mobile ad hoc network are not just end systems, each node must be able to function as a router as well to relay th...

MANET stands for Mobile Ad hoc Network. An ad hoc network is often referred to as an “infrastructure less” network, because the network does not need fixed routers [1]. These nodes are mobile communicating through wireless medium. Each ad hoc node may be capable of acting as a router. It’s characterized by multi-hop wireless connection and frequently changing networks. In this paper we evaluate...

Ad Hoc network is a network without physical structure and is established with mobile nodes using wireless connections. Ad Hoc network is highly flexible and supports dynamic network topology. Thus, the efficiency of the routing protocol will affect the overall network performance. Mobile ad hoc networks carriage several kinds of security problems, initiated by their open systems and nature of ...

The development in technologies the mobile networks has been rapidly change, especially Mobile Ad-hoc and Vehicular Ad-Hoc networks. Due to nature of the fields, the mobile sensor network replaced the fixed sensor network. In these fields, the topology dynamically changes time by time due to speed and congested environment because of this routing is a crucial and challenging issue. For routing ...

An Ad-hoc network is a collection of mobile nodes dynamically forming a temporary network without the use of any existing network infrastructure or centralised administer. Because of limited communication range among mobile nodes in ad-hoc network, several network hopes may be needed to deliver a packet from one node to another node in the wireless network. In recent years, a variety of differe...

Mobile Ad hoc Network (MANET) can be said as a collection of mobile nodes, which builds a dynamic topology and a A resource constrained network. In this paper, we present a survey of various testbeds for Mobile Ad hoc Networks. Emulator provides environment without modifications to the software and validates software solutions for ad hoc network. A field test will show rather the simulation wor...

In this paper we represent a survey of various existing secure routing protocols for MANET’s. A mobile ad hoc network is a self configuring mobile nodes network. Significant progress has been made for making mobile ad hoc network secure and dynamic. Its infrastructure less and absence of any centralized authority makes these networks more vulnerable to security attacks. Due to these security th...

Mobile ad-hoc network networks are self-organizing network having a concise radio range and limited bandwidth without having the any specified infrastructure. The topology of the ad hoc network may change suddenly. At this type of situation, is finding the shortest path (SP) between source and destination nodes within a specified time so as to satisfy the Quality of Service (QoS) with security....

Mobile ad-hoc networks are typically very dynamic networks in terms of available communication partners, available network resources, connectivity, etc. Furthermore, the end-user devices are very heterogeneous, ranging from high-end lap-tops to low-end PDAs and mobile phones. Traditionally, middleware is used to abstract from this heterogeneity and enable the application programmer to focus on ...