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Register a new userStudy of performance TORA and OLSR Routing Protocols Under the influence of the Black Hole Attack in AD-HOC Networks with High TrafficLoad
دراسة أداء بروتوكولات التوجيه TORA و OLSR تحت تأثير هجوم الثقب الأسود في شبكات AD-HOC ذات الحمل المرتفع
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محمد ياسين صبيح( باحث )
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تعتبر شبكات ال (MANETs (Mobile Ad-HocNetworks اللاسلكية من الشبكات الفعالة و المفيدة في نقل البيانات، نظرًا لكونها لا تحتاج فيها العقد إلى اعدادات مسبقة، و تتمتع بديناميكية فعالة لنقل البيانات أثناء حركة العقد، مما يجعلها مقصد مهم لتبادل البيانات.. تتجلى مشكلتها الكبيرة في إمكانية الاختراق الأمني، حيث تعتبر هجمات الثقب الأسود واحدة من الهجمات الخطيرة التي تستهدف شبكات AD_HOC اللاسلكية من خلال نقطة مزيفة تستطيع امتصاص البيانات و ارسالها إلى مكان آخر أو إهمالها، و هذا يعود لعدم وجود عقدة تحكم مركزية قادرة على إدارة الاتصالات. يتطرق البحث إلى دراسة تأثير الثقب الأسود على أداء بروتوكول التوجيه الهجين Temporally Ordered (Routing Algorithm (TORA و على بروتوكول التوجيه غير التفاعلي الإستباقي (Optimized Link State Routing (OLSR من اجل عدد متغير من العقد المتحركة و بسرعات مختلف في بيئة ذات حمل عال.
Mobile Ad-Hoc Networks are used for data transfer. The nodes of such networks do not require presetting. They are characterized by dynamic data transfer during their movement of the nodes. MANET could be targeted by potential security breaches. Black hole attack is one of the serious attacks targeting wireless AD_HOC networks through a false point whichcan absorb data and send them to another place or neglect them. This is due to the lack of central control node which is able to manage communications. This research investigates the effects of the black hole on the performance of hybrid routing protocol Temporally Ordered Routing Algorithm (TORA) and proactive routing protocol Optimized Link State Routing (OLSR) for a variable number of mobile nodes in different speeds in a high load environment.
References used
(MEGHNA CHHABRAL, BRIJ GUPTA, AMMAR ALMOMANI. July 2013. Journal of Information Security. A Novel Solution to Handle DDOS Attack in MANET. ، ،Vol 4, P( 165-179) http://dx.doi.org/10.4236/jis.2013.43019 Published Online (http://www.scirp.org/journal/jis
Tahir Saleem. Kifayat Ullah.2010. ،Performance Issues of Routing Protocols in MANET -School of Engineering Blekinge Institute of Technology-www.bth.se/tek p25-28
Ritu Sharma1, Ritu Sindhu, 2014. Study of TORA FOR Mobile Ad-hoc Network-International Journal of Computer Science and Information Technologies, Vol. 5 (4), 4902-4905
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Vehicular Ad Hoc Network (VANET) is a form of Mobile Ad Hoc
Networks, but the nodes of this network are vehicles with special equipment to enable
them to communicate with each other. These networks need to implement protocols to
ensure that messag
es are reached to their destinations and achieve the desired goal of the
application.
In this paper, we present an analysis of the performance of a number of major routing
protocols used in these networks which protocols AODV (Ad hoc On-Demand Distance
Vector), DSR (Dynamic Source Routing), and OLSR (Optimized link state routing). This
analysis is based on various parameters such as packet delivery ratio and end-to-end delay,
in order to find the best protocol can be used in the network with low density.
To achieve this purpose, we used a simulator OPNET_17.5. Depending on the
simulation results we have obtained and the analysis and comparison of these protocols at
different low density contract .We found that the protocol AODV is the best among the
studied protocols under the conditions set out in this study.
The low cost, ease of deployment has exposed WSNs an attractive choice for numerous applications,like environmental monitoring applications , security applications, real time tracking, and so on.
But in reality, these networks are operated on batte
ry with limitations in their computation capabilities, memory, bandwidth ,so they called networks with resource constrained nature, and this impels various challenges in its design and its performance.
Limited battery capacity of sensor nodes makes energy efficiency a major and challenge problem in wireless sensor networks. Thus, the routing protocols for wireless sensor networks must be energy efficient in order to maximize the network lifetime.
In this paper we simulated LEACH,SEP,DEEC,TEEN routing protocols and evaluated their performance by comparing with DT routing protocol in Homogeneous and Heterogeneous Wireless Sensor Networks on MATLAB.
Network coding isone of the important researches in multi-hop wireless networks domain
and it widely participates in improving the performance of these networks, since it benefits from
the broadcasting nature of transmission processes to transmit m
ore than single packet in one
broadcasting transmission. So it achieves double use of the available bandwidth, which can
increase the throughput of the network and reduce the congestion.Our aim in this research is to
verify the improvement that network coding presents to theperformance of multi-hops wireless
Ad-hoc networks, and to study the accelerating of research process for coding chances through
constructing a virtual queues according to the packets flows that pass the node, and applying
affective manner to manage this queues.
In this paper, we use NCTUns 6.0
to simulate this kind of networks ,because it is difficult to do that is the
real world .In this paper, two routing protocols (AODV, ADV) are
studied within many scenarios to achieve their performances and
reliabi
lity using many metrics.
We conclude that ADV routing protocol adapts quickly when the
complexity of network and mobility of nodes increase. This is achieved
by varying the size and frequency of routing updates.
Throughput
الإنتاجية
MANET
VANET
شعاع المسافة عند الطلب النقال
شعاع المسافة الموائم
شبكات العقد النقالة
شبكات المركبات النقالة
التصادمات
الرزم المرمية
متوسط توصيل الرزم
متوسط التأخير طرف إلى طرف
متوسط حمل التوجيه
المحاكي NCTUns 6.0
NCTUns 6.0 simulator
AODV
ADV
collisions
drop packets
Packet delivery ratio
المزيد..
Mobile wireless networks consist of a set of cooperative and
mobile nodes, each node can move randomly at a specific speed
in all directions without any control of a central manager. This type
of networks has become a hot research topic due to its
military
application and suitability for emergencies and natural disasters.
Due to the lack of fixed infrastructure, the routing process
becomes the major problem in this type of networks, where the
responsibility of routing is transferred to each node. Over the last
few years, a number of traditional routing protocols has been
proposed, but these protocols do not support quality of service in
different environments.
Some studies have improved some of these protocols to support
quality of service for specific environments. This research
identifies and analysis some of these improved protocols.
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