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Kasthuri Bai, P. T.
- Performance Efficiency of OLSR and AODV Protocols in Manets
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Affiliations
1 Bharathiar University, Coimbatore - 641 046, Tamil Nadu, IN
1 Bharathiar University, Coimbatore - 641 046, Tamil Nadu, IN
Source
Indian Journal of Science and Technology, Vol 8, No 14 (2015), Pagination:Abstract
Objectives: Comparison of performance efficiency of AODV and OLSR routing protocol in MANETs using NS2 tool. The parameters considered and compared for throughput, packet delivery ratio, energy spent and delays. Methods/Analysis: Using NS2, first a sample of 50 nodes was generated and moved move randomly. Dynamic clustering was done within the sample area of 500x500sq.m. 50 nodes were set up as sink nodes and attached a local agent and loss monitor for each node. These nodes were positioned in the sample area. The nodes 17, 28, 35 were set up as source and nodes were set up as destination for transmission of packets, respectively. Findings: The four performance measures were: Energy spent, PDR, end-to-end delay and throughput with number of nodes as constant (50) and with different speed (time) of node like 2,4,6,8,10s are taken for comparison. Transmission of packet was tested using AODV and the performance metrics are traced. Similarly the performance metrics were tested with OLSR protocol. The values were tabulated and a graph was generated for each metric in Y-axis and time in X-axis. Novelty of the Study: A VMware workstation was installed and tested in unix environment using tool command language the modules were created in vi editor. They were executed using ns command. This paper is main module. Further malicious node detection and elimination was done to still prove OLSR outperforms than AODV. Conclusion: In all the above four metrics the OLSR protocol performance is efficient than AODV when data transmission occurs between nodes in MANETs. From the results obtained we can observe OLSR outperforms AODV in all four parameters irrespective of different speed (time).Keywords
AODV (Adhoc on Demand Distance Vector), MANET (Mobile Adhoc Networks), NS (Network Simulator), OLSR (Optimized Link State Routing Protocol), PDR (Packet Delivery Ratio)Full Text
- Performance Efficiency of SRP over AODV Enforcing Attacks
Abstract Views :231 |
PDF Views:0
Authors
Affiliations
1 Bharathiar University, Coimbatore - 641046, Tamil Nadu, IN
1 Bharathiar University, Coimbatore - 641046, Tamil Nadu, IN
Source
Indian Journal of Science and Technology, Vol 9, No 32 (2016), Pagination:Abstract
Objectives: Mobile ad hoc networks (MANETs) is a suitable environment for unknown or unspecified communications. It is an infra-structureless network. Standard protocols like AODV, OLSR and DSR are used in routing packets. In this paper, we compare AODV protocol with SRP protocol enforcing a Black hole, worm hole and Sybil attacks. Group signature is used to authenticate the route requests and to defend the potential active attacks without exposing the node identities. During the transmission, the intermediary nodes does not know the actual destination since onion routing concept along with route verification message is used. Methods/Analysis: Using NS2, first a sample of 50 nodes is generated and is made to move randomly. Dynamic clustering is done within the sample area of 500 x 500 sq.m. Set up 50 nodes as sink nodes and attach a local agent and loss monitor for each node. Position these nodes in the sample area. The nodes 0,20,22,10 were set up as source and nodes 24, 9, 2, 14 were set up as destinations respectively for transmission of packets. Findings: The four performance measures Energy spent, Packet Delivery ratio, delay and throughput or output with 6 attacker nodes (50, 51, 52, 53, 54 and 55) with different simulation time like 2, 4, 6, 8, 10s are taken for comparison. Transmission of packet is tested using AODV and the performance metrics are traced. Similarly the performance metrics are tested with SRP protocol. The values are tabulated and a graph is generated for each metric in Y-axis and time in X-axis. From the results obtained we can observe SRP outperforms AODV in all four parameters. Novelty of the Study: A VMware workstation is installed and tested in Unix environment using tool command language the modules are created in vi editor. They are executed using ns command. This paper compares the performance of SRP with AODV enforcing attacker nodes. Conclusion: During data transmission between nodes in MANETs the SRP protocol outperforms AODV. The result analysis below shows the four performance measures Energy spent, PDR, end-to-end delay and throughput.Keywords
AODV (Adhoc Ondemand Distance Vector), Group Signature, SRP (Secured Routing Protocol), Unidentifiability, Unlinkability.Full Text
- RMBSRA: Routing Manager Based Secure Route Analysis Mechanism for Achieving Secure Routing Protocol in IOT MANET
Abstract Views :231 |
PDF Views:1
Authors
Affiliations
1 Department of Computer Science, Thiruthangal Nadar college, Chennai, Tamil Nadu, IN
1 Department of Computer Science, Thiruthangal Nadar college, Chennai, Tamil Nadu, IN
Source
International Journal of Computer Networks and Applications, Vol 9, No 2 (2022), Pagination: 150-159Abstract
In recent years, the Internet of Things (IoT) has become the most innovative and efficient technology globally. IoT uses physical devices for establishing a real-time interconnection between heterogeneous networks. MANET plays an essential role in IoT-based systems for multi-hop data transmission, rapid setup, dynamic topology, etc. Generally, MANET is structureless and does not require any base station to achieve data transmission. In MANET, routing plays an important role, and modern IoT devices' evolution supports routing efficiency. MANET with IoT is applicable for various applications like emergency operations, disaster management, and environmental monitoring. Several mechanisms evolved to achieve secure routing on MANET with IoT. But still, achieving enhanced MANET performance with satisfying all QoS parameters is a challenge. Most of the existing systems lack a secured routing system, and there is no proper predefined mechanism for handling the packet losses. However, few approaches support multipath routing but fail to obtain the optimal power consumption. We use the routing manager-based secure rate analysis (RMBSRA) mechanism to address these issues. The proposed system is a centralized mechanism built with three major components: routing manager, neighboring table, and routing table. These components are responsible for effective packet transmission in the shortest path without data losses. The proposed system improves the multicast routing system by balancing the bandwidth allocation and eventually traffic on the network. The proposed RMBSRA performance is evaluated in the simulation environment NS-2. The observation obtained from RMBSRA is compared with the existing Trust-Based Secure Multipath Routing Protocol (TBSMR) and real-time secure route analysis (RSRA). The proposed RMBSRA achieves enhanced routing performance compared to the existing mechanisms.Keywords
IoT, MANET, Routing Protocol, Security, Load Balancing, Traffic, Multipath Routing.Full Text
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