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Industrial Underwater Acoustic Sensor Networks (IUASNs) come with intrinsic challenges like long propagation delay, small bandwidth, large energy consumption, three-dimensional deployment, and high deployment and battery replacement cost. Any routing strategy proposed for IUASN must take into account these constraints. The vector based forwarding schemes in literature forward data packets to sink using holding time and location information of the sender, forwarder, and sink nodes. Holding time suppresses data broadcasts; however, it fails to keep energy and delay fairness in the network. To achieve this, we propose an Energy Scaled and Expanded Vector-Based Forwarding (ESEVBF) scheme. ESEVBF uses the residual energy of the node to scale and vector pipeline distance ratio to expand the holding time. Resulting scaled and expanded holding time of all forwarding nodes has a significant difference to avoid multiple forwarding, which reduces energy consumption and energy balancing in the network. If a node has a minimum holding time among its neighbors, it shrinks the holding time and quickly forwards the data packets upstream. The performance of ESEVBF is analyzed through in network scenario with and without node mobility to ensure its effectiveness. Simulation results show that ESEVBF has low energy consumption, reduces forwarded data copies, and less end-to-end delay. [ABSTRACT FROM AUTHOR]

Recently, named data networking (NDN) has been proposed as a promising architecture for future Internet technologies. NDN is an extension to the content-centric network (CCN) and is expected to support various applications in vehicular communications [vehicular NDN (VNDN)]. VNDN basically relies on naming the content rather than using end-to-end device names. In VNDN, a vehicle broadcasts an “Interest” packet for the required “content,” regardless of end-to-end connectivity with servers or other vehicles and known as a “consumer.” In response, a vehicle with the content replies to the Interest packet with a “Data” packet and named as a “provider.” However, the simple VNDN architecture faces several challenges such as consumer/provider mobility and Interest/Data packet(s) forwarding. In VNDN, for the most part, the Data packet is sent along the reverse path of the related Interest packet. However, there is no extensive simulated reference available in the literature to support this argument. In this paper, therefore, we first analyze the propagation behavior of Interest and Data packets in the vehicular ad hoc network (VANET) environment through extensive simulations. Second, we propose the “CODIE” scheme to control the Data flooding/broadcast storm in the naïve VNDN. The main idea is to allow the consumer vehicle to start hop counter in Interest packet. Upon receiving this Interest by any potential provider, a data dissemination limit $(DDL)$ value stores the number of hops and a data packet needs to travel back. Simulation results show that CODIE forwards fewer copies of data packets processed (CDPP) while achieving similar interest satisfaction rate (ISR), as compared with the naïve VNDN. In addition, we also found that CODIE also minimizes the overall interest satisfaction delay (ISD), respectively. [ABSTRACT FROM PUBLISHER]

Timely detection of anomalous activity in wireless sensor network is critical for the smooth working of the network. This paper presents an intrusion detection technique based on the calculation of trust of the neighboring node. In the proposed IDS, each node observes the trust level of its neighboring nodes. Based on these trust values, neighboring nodes may be declared as trustworthy, risky or malicious. Trustworthy nodes are recommended to the forwarding engine for packet forwarding purposes. The proposed scheme successfully detects Hello flood attack, jamming attack and selective forwarding attack by analyzing the network statistics and malicious node behavior. The simulation results show that network performs better when neighbor node trust management based anomaly detection technique is in place. [ABSTRACT FROM AUTHOR]