NDLI: An improved Internet gateway discovery and selection scheme in Mobile Ad hoc Network

Content Provider	IEEE Xplore Digital Library
Author	Iqbal, S.M.A. Kabir, M.H.
Copyright Year	2010
Description	Author affiliation: Department of Computer Science and Engineering, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh (Kabir, M.H.) \|\| Department of Computer Science & Engineering, Premier University, Chittagong, Bangladesh (Iqbal, S.M.A.)
Abstract	Integrating nodes in a MANET to the Internet require either a connection to the Internet or they can connect to the Internet through the Internet gateways or servers. For the second case a node in a MANET has to find out the gateway or server to connect to the fixed nodes in the Internet and it can do so either by broadcasting a gateway discovery request message or it may depend on periodic gateway advertisement messages from the gateways. End to end packet delay and throughput are strongly dependent on the time needed to discover the gateways. Hosts in a MANET use number of hops as metric to select a path to a gateway, if all the nodes select its nearest gateway to access the Internet then there may be situations when the network performance degrades because some nodes along the path have too many packets waiting in the queue. This paper presents a novel solution for connecting nodes in ad hoc network to the Internet. Here the gateway replies with an advertisement message which is broadcasted to the whole network in stead of sending a unicast reply to the requestor. We also take into account the traffic load along a path in addition with minimum hop count to select an efficient gateway. The AODV routing protocol has been used for routing in the MANET domain. We investigated our new strategy of gateway discovery and impact of new metric on the gateway selection in NS-2. Simulation results show that our one has better performance having lower delay and fewer packets drop.
Starting Page	372
Ending Page	375
File Size	962269
Page Count	4
File Format	PDF
ISBN	9781424462773
e-ISBN	9781424462803
DOI	10.1109/ICELCE.2010.5700706
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-18
Publisher Place	Bangladesh
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Logic gates Internet Mobile ad hoc networks Mobile communication Delay Re-broadcast Internet Gateway Mobile Ad hoc network Gateway advertisement Traffic load Interface queue length
Content Type	Text
Resource Type	Article

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