scholarly journals Overhead impact on ad hoc mobile networks

Enfoque UTE ◽  
2017 ◽  
Vol 8 (4) ◽  
pp. 16-26
Author(s):  
Patricia Ludeña-González ◽  
Rommel Torres ◽  
Manuel Quiñónez ◽  
Samanta Cueva
Keyword(s):  
Ad Hoc Networks ◽  
Mobile Networks ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Destination Node ◽  
Control Information ◽  
Ad Hoc Mobile Networks ◽  
Application Data ◽  
Hoc Networks ◽  
And Control

Overhead quantifies how much routing and control information is necessary for the application data to reach the destination node. This is very important in Ad Hoc networks because the mobility of nodes makes routing paths change constantly, therefore, the exchange of control and routing information increases. In this work the overhead for AODV, BCHP and DSVD mobile routing protocols is analyzed. Protocol reliability is used like a metric based on overhead behavior. The results show that the overhead can be between 30% to 60% with respect to the total throughput. BCHP is the most effective protocol because with similar expected overhead it has a better level of application information delivered.

Performance Analysis of TCP Variants using AODV and DSDV Routing Protocols in MANETs

2019 ◽  
Vol 13 ◽  
Author(s):  
Rajnesh Singh ◽  
Neeta Singh ◽  
Aarti Gautam Dinker
Keyword(s):  
Ad Hoc Networks ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Packet Delivery Ratio ◽  
Transport Layer ◽  
Destination Node ◽  
Delivery Ratio ◽  
Packet Delivery ◽  
Two Measures ◽  
Hoc Networks

TCP is the most reliable transport layer protocol that provides reliable data delivery from source to destination node. TCP works well in wired networks but it is assumed that TCP is less preferred for ad-hoc networks. However, for application in ad-hoc networks, TCP can be modified to improve its performance. Various researchers have proposed improvised variants of TCP by only one or two measures. These one or two measures do not seem to be sufficient for proper analysis of improvised version of TCP. So, in this paper, the performance of different TCP versions is investigated with DSDV and AODV routing Protocols. We analyzed various performance measures such as throughput, delay, packet drop, packet delivery ratio and number of acknowledgements. The simulation results are carried out by varying number of nodes in network simulator tool NS2. It is observed that TCP Newreno achieved higher throughput and packet delivery ratio with both AODV and DSDV routing protocols.Whereas TCP Vegas achieved minimum delay and packet loss with both DSDV and AODV protocol. However TCP sack achieved minimum acknowledgment with both AODV and DSDV routing protocols. In this paper the comparison of all these TCP variants shows that TCP Newreno provides better performance with both AODV and DSDV protocols.

Geocast Routing Protocols for Ad-Hoc Networks

2021 ◽  
pp. 23-45
Author(s):  
Indrani Das ◽  
Sanjoy Das
Keyword(s):  
Ad Hoc Networks ◽  
Routing Protocols ◽  
Vehicular Ad Hoc Networks ◽  
Ad Hoc ◽  
Geographical Area ◽  
Destination Node ◽  
Specific Geographical Area ◽  
Fast Network ◽  
Hoc Networks ◽  
Future Direction

Geocasting is a subset of conventional multicasting problem. Geocasting means to deliver a message or data to a specific geographical area. Routing refers to the activities necessary to route a message in its travel from source to the destination node. The routing of a message is very important and relatively difficult problems in the context of Ad-hoc Networks because nodes are moving very fast, network load or traffic patterns, and topology of the network is dynamical changes with time. In this chapter, different geocast routing mechanisms used in both Mobile Ad-hoc Networks and Vehicular Ad-hoc Networks. The authors have shown a strong and in-depth analysis of the strengths and weaknesses of each protocol. For delivering geocast message, both the source and destination nodes use location information. The nodes determine their locations by using the Global Positioning System (GPS). They have presented a comprehensive comparative analysis of existing geocast routing protocols and proposed future direction in designing a new routing protocol addressing the problem.

scholarly journals Secured Approach towards Reactive Routing Protocols Using Triple Factor in Mobile Ad Hoc Networks

2019 ◽  
Vol 3 (2) ◽  
pp. 32-40 ◽  
Author(s):  
Mohammad Riyaz Belgaum ◽  
Shahrulniza Musa ◽  
Mazliham MohdSu’ud ◽  
Muhammad Alam ◽  
Safeeullah Soomro ◽  
...  
Keyword(s):  
Ad Hoc Networks ◽  
Mobile Ad Hoc Networks ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Destination Node ◽  
Cryptographic Algorithm ◽  
Reactive Routing ◽  
Different Types ◽  
Mobile Ad Hoc ◽  
Hoc Networks

Routing protocols are used to transmit the packets from the source to the destination node in mobile ad hoc networks. The intruders seek chance to pierce into the network and becomes a cause of malfunctioning in the network. These protocols are always prone to attacks. During the phases of routing in different types of protocols, each of the attack finds a way to degrade the performance of the routing protocols. The reactive routing protocols DSR and AODV have lot of similar features and so are considered in this study. In order to transmit the packets safely, a secured approach using triple factor has been proposed. This triple factor computes the trust by using the direct information then verifies the reputation by collecting the information from the neighbouring nodes called distributed factor and uses cryptographic algorithm to ensure security. And to ensure that there are routes available to perform the routing process, the reasons for such attacks are studied so as to re-integrate back the nodes in to the network, once it has repented for being malicious before. The availability of routes increases the throughput.

scholarly journals ANALYSIS AND CHOICE OF ROUTING PROTOCOLS IN WIRELESS AD HOC NETWORKS BASED ON THE USE THE NEURAL NETWORK

2019 ◽  
Vol 9 (1) ◽  
pp. 53-55 ◽  
Author(s):  
Oleksandr Oksiiuk ◽  
Vadym Krotov
Keyword(s):  
Ad Hoc Networks ◽  
Wireless Ad Hoc Networks ◽  
Mobile Networks ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Local Area ◽  
Rapid Expansion ◽  
Mobile Nodes ◽  
Hoc Networks ◽  
Wireless Mobile

In the past few years, we have seen a rapid expansion in the field of mobile computing due to the proliferation of inexpensive, widely available wireless devices. However, current devices, applications and protocols are solely focused on cellular or wireless local area networks (WLANs), not taking into account the great potential offered by ad hoc networking. Ad hoc networks are wireless mobile networks that can operate without infrastructure and without centralized network management. In such networks, the wireless mobile nodes may dynamically enter the network as well as leave the network. Mobility and dynamic topology are the main characteristics of ad hoc networks. In the last years, the hundreds of new routing protocols were designed, that are used for the various scenarios of this design space. The routing features in wireless ad hoc networks are described. The corresponding routing protocols are reviewed. The paper proposes a method for selecting the preferred protocol wireless networks using the mathematical tools of neural networks.

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