International Journal of Engineering Research ISSN:2319-6890)(online),2347-5013(print) Volume No.5 Issue: Special 4, pp: 790-991 20 May 2016 ICCIT16 @ CiTech, Bengaluru doi : 10.17950/ijer/v5i4/013 856 | Page Secure Multipath SEAOMDV-ELB Routing Protocolwith an Efficient Load Balancing and Congestion Awarefor Wireless Mesh Network Nandini C H 1 ,Dr.Chandrakant Naikodi 2 , Dr. Suresh L 3 1 CSE 4th semester, Dept. of CSE, Cambridge Institute of Technology, Bangalore, India 2 Visiting Professor, Dept. of CSE, Cambridge Institute of Technology, Bangalore, India 3 Principal and Professor, Cambridge Institute of Technology, Bangalore, India Abstract- As new cost effective technology that is Wireless Mesh Network has gained a lot of popularity and it has conspicuouskind ofnetwork architecture as wireless multi-hop.In this paper, theproposed secure multipath SEAOMDV_ELB routing protocol used with an efficient load balancing and alsocongestion aware mechanism in wireless mesh networks. The proposed routing protocol called SEAOMDV_ELB definesthe several paths and also decides the best path from source to its destination using secure airtime congestion aware metric (SACA) for balancing the load across the congested network area. We likewise make use of an proficientscheme known as load balancing that upholdsthe communication of the node on best possible path and next is the computation of the queue utilization at every single node to know whether the specific node is qualified for sending the data packets over the network or not. In this paper, the main proposed work is to provide security over the network using RSA (Rivest-Shamir-Adleman) algorithm to accomplish secured data packets on optimal path and reach its destination securely. Most of the existing protocols that are not anticipated get adapted to congestion, the quality of link, and security over the network. The simulation outcomesusing Network Simulator-2 (NS-2) showsthat protocol SEAOMDV_ELBof proposed paper is better when contrasted with AOMDV regarding throughput, end-to-end delay and security over the network. Keywords: Wireless Mesh Network;congestion; secure ACA; queue utilization; round trip time;security;multiple interfaces and multiple channels; load balancing. I. INTRODUCTION The more flexibility, the network access that are done privately for communication of the access, of itsdesiredfeatures, that includes, yet not constrained to, multi-hop routing, auto-configuration,minimum cost, les bandwidth, where the deployment makes easy, organizing, its healing capacity by itself and so forth. WMN stands is said to be in middle of themthat can join the WMNsconstruction with all of its fixed features. Regularly, in WMNs we keep seeing theinternet gateways, the mesh routers and its mesh clients. Every node start with the router they go to the router,by sending the data packets to any other nodes. The nodethat is without any accessit can be in the network.It also can start a linking by overpowering the data packets from its neighbor node that has thenetwork connection; the devices that are useful can be made used. Those devices consist of an traditional things like desktops, laptops, etc,.[1]. The wireless mesh network is said to be promisingknowledge for severalpotential requeststhat can include the wireless broadband services, public networking,district networks, immediatesurveillance systems, the automation of the building and so on. For all this application applications, Qos is said to be an is a main issue. So we can report this as an issue by sufficiently capturing the network congestion and then start routing the data packets that are passed through a smaller amountof congested area. Some of the functionality of wireless mesh network can be grouped into three main categories namely, such as Infrastructure/backbone meshing, mesh client backbone and the mesh hybrid.The mesh routers which are utilized to frame a multi-hop WMN backbone that can able to communicatewithany of the gateways and its clients. The mesh clients can create self- structuredadhocnetworks by relaying request to its WMNs, they will make use of services. Next hybrid mesh network iscollection of backbone mesh, also the client meshing and it is expected to be the good selection.[2] The massivemainstream of the present protocol routingin wireless mesh network that uses hop count or any other metric such as ETT,ETX, MIC and WCETT as the metric to find the path and making them to utilize