SR-AODV: A Stable Route-AODV Protocol for Mobile Ad hoc Network

An efficient and secured routing protocol design is the vital concern for mobile ad hoc networks in view of major problems raising on security issues and loss of the network resources is due to changes within the connections of the network like Node failures, link breakages in the network. Our proposed scheme enhances the secured and reliable transmission of data, which also improves the network constancy, efficient packet delivery ratio and network life time by integrating through the AODV Routing protocol. It unites the authentication, stable routes and signal strength of the nodes to attain the secure and reliable transmission of data through nodes.

2014

Mobile Ad hoc networks are infrastructure less type of network which have auto configurable mobile nodes. These mobile nodes are free to move while communicating with each other. Due to the mobile nature of the nodes, link failure often occurs which causes the reduction in efficiency of the network. Therefore to counter the link failure problem, an arrangement has to be made to avoid link failure by providing an alternate path for communication. In this paper, a new technique has been proposed to overcome the problem of link failure which in turn enhances the performance of the network and AODV protocol. This also results in reducing packet loss.

2012

Many routing protocols in mobile ad-hoc networks have been developed by many researchers. One of ad-hoc routing protocol types is the on-demand routing that establishes a route to a destination node only when required. However, most of on-demand routing protocols reestablish a new route after a route break. In this paper, we propose a new route maintenance algorithm to avoid route breaks because each intermediate node on an active route detects a danger of a link break to an upstream node and reestablishes a new route before a route break. We propose this algorithm based on AODV (Ad-hoc On-demand Distance Vector routing protocol).

One of the popular wireless network architectures is Mobile Ad Hoc Network (MANET). It can be easily deployed in every environment, without any underlying backbone and infrastructure support. MANET is a wireless network that consists of nodes which are mobile in nature. Each node in the network acts as a router which provides the flexibility to the topology of the network. In this paper, an extended AODV routing protocol is proposed for Ad-hoc networks which typically suits to resolve the realistic model problems. This proposed protocol may improve the performance of regular AODV routing protocol. It has all the features of AODV routing protocol, as it follows all the steps of the route discovery algorithm of AODV routing protocol. The main difference arises when it comes to the route maintenance approach. We assume that the network is also consist of the static nodes, which helps to recover the path while route maintenance. An assumption reveals that it may increase the efficiency of regular AODV routing protocol in terms of the metrics: End-to-end delay, Packets dropped, Routing overhead.

2011

Mobile ad hoc networks (MANETs) consist of a collection of wireless mobile nodes which dynamically exchange data among themselves without the need of fixed infrastructure or a wired backbone network. Due to limited transmission range node to exchange information with any other node in the network. Thus routing is a crucial issue in the design of MANET. On-demand routing protocols for mobile ad hoc networks discover and maintain only the needed routes to reduce routing overheads. They use a flood-based discovery mechanism to find routes when required. Since each route discovery incurs high overhead and latency, the frequency of route discoveries must be kept low for on demand protocols to be effective. The wide availability of wireless devices requires the routing protocol should be scalable. But, as the size of the network increases the on demand routing protocols produce poor performance due to large routing overhead generated while repairing route breaks. The proposed multipath ro...

In current years, an enormous research has been observed going on in the research field of Mobile Ad-Hoc Network (MANET). Despite of restricted assets in Mobile Ad Hoc Networks, to structure a proficient and consistent routing protocol is still a tough task. A more intelligent routing approach is required to proficiently use the restricted assets. Moreover the routing algorithms designed for conventional wired networks such as distance vector or link-state, does not level well in without wired situation. Routing approach in Mobile Ad Hoc Networks is a difficult work and has received a great amount of attention from area researchers and quality controller now a day. In this research paper tries to provide a general idea of the existing Mobile Ad Hoc Networks routing protocols their functionality and characteristics. Further, the protocols comparison is given depend upon the MANET routing information and methodologies on the basis of their routing decisions. This research will help the researchers and industry personnel to obtain an overview of the existing routing protocols and propose which one routing protocols could perform improved results with respect to unstable network situation.

IJARCCE, 2016

The routing protocols are playing very important job in the performance of both IP (Internet Protocol-Infrastructure based) and the mobile Ad-hoc networks (MANET). The Ad hoc On Demand Distance Vector (AODV) Routing Protocol is a reactive-table driven routing protocol for mobile ad hoc networks. The route discovery and maintenance process is based on the balanced energy level in the neighbouring pair of nodes. This research is a modification on the original AODV, a basic routing protocol for its enhancement. This is an attempt to use communication reliability factor prior to establish communication using energy levels. This is examined by simulation study experimented using NS-2 on Ubantu. The performance metrics used for comparison between AODV and new protocol are PDR, routing overhead, energy level and delay.

The International Arab Journal of Information Technology

Establishing and maintaining link stability in Mobile Ad hoc Networks (MANETs) is one of the key challenging issues. Topology changes in MANET because overhead traffic that leads to consuming extra energy of nodes as well as decreasing the performance of routing protocols. Thus, a comprise approach should be considered during the design of a routing scheme in MANETs to deal with challenges incurred by the mobility of the nodes. In this study, a simple efficient routing scheme called Enhanced_AODV (E-AODV) is proposed, aiming to enhance Ad Hoc On-Demand Distance Vector (AODV) routing protocol performance by constructing the most stable and reliable route from source to the destination node. In this routing scheme, the remaining lifetime of links and hop count are the metrics considered for calculating the Route Stability Factor (RSF) that can be utilized as a cost metric to establish the best route between source and destination node. The simulation results reveal that the proposed E...

Industrial Electronics and …, 2009

Unicast routing, which discovers a path between a source-destination pair, is a challenging problem for wireless adhoc networks. Mobility demands additional requirements to be fulfilled during path selections. A neighbor v of a node u, is called "stable" if v's relative movement with respect to u is very low. A path between a source-destination pair is called "stable" if it consists of most stable neighbors at each intermediate hops. Certainly it is always desirable that any routing protocol picks up more stable paths. In this paper, we propose a modified version of popular AODV routing protocol which discovers its route for sending packets based on the stability of the path. Using simulation we show that our protocol is smart enough to cope with the mobility of the network. Finally, we discuss some special scenarios in which our proposed protocol performs much better.

International Journal of Computer Networks & Communications, 2021

Mobile Ad hoc Network (MANET) is mainly designed to set up communication among devices in infrastructure-less wireless communication network. Routing in this kind of communication network is highly affected by its restricted characteristics such as frequent topological changes and limited battery power. Several research works have been carried out to improve routing performance in MANET. However, the overall performance enhancement in terms of packet delivery, delay and control message overhead is still not come into the wrapping up. In order to overcome the addressed issues, an Efficient and Stable-AODV (EFST-AODV) routing scheme has been proposed which is an improvement over AODV to establish a better quality route between source and destination. In this method, we have modified the route request and route reply phase. During the route request phase, cost metric of a route is calculated on the basis of parameters such as residual energy, delay and distance. In a route reply phase, average residual energy and average delay of overall path is calculated and the data forwarding decision is taken at the source node accordingly. Simulation outcomes reveal that the proposed approach gives better results in terms of packet delivery ratio, delay, throughput, normalized routing load and control message overhead as compared to AODV.