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This document summarizes and compares two reactive routing protocols for wireless ad-hoc networks: AODV and DSR. It describes that AODV uses routing tables and sequence numbers to prevent loops, and broadcasts route requests containing source and destination IP addresses. DSR uses source routing by storing routes in a cache, and data packets carry the source route. The document outlines the key mechanisms of each protocol, including route discovery and maintenance for DSR. It concludes by comparing their performance based on metrics like packet drop, consistency, throughput, noting that AODV had higher drops but more consistency while DSR had lower drops but less consistency.
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Here are the solutions to the examples:
Example 21.5:
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IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Performance Observation of Proactive and Reactive Routing Protocols with Incr...
Performance Observation of Proactive and Reactive Routing Protocols with Incr...Computer Science Journals
Mobile Ad-hoc network (MANET) is type of wireless network in which group of mobile nodes co-operate to forward the data packets to their neighbours without using centralized authority or any physical medium like cables or base station.Comparing: Routing Protocols on Basis of sleep mode
The architecture of ad hoc wireless network consists of mobile nodes for communication
without the use of fixed-position routers. The communication between them takes place without
centralized control. Routing is a very crucial issue, so to deal with this routing algorithms must deliver
the packet in significant delay. There are different protocols for handling the mobile environment like
AODV, DSR and OLSR. But this paper will focus on performance of AODV and OLSR routing protocols.
The performance of these protocols is analyzed on two metrics: time and throughput
En33838844
This document compares the performance of the AODV and DSR routing protocols under various network conditions through simulation. It finds that AODV performs better than DSR in terms of packet delivery ratio, with fewer packets lost over time. While DSR initially loses more packets, it is able to reduce packet loss over the course of the longer 20-second simulation compared to AODV.
En33838844
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Review and Analysis of Reactive Routing Protocols: AODV, DSR, TORA and DYMO i...
This document provides an overview and comparison of four reactive routing protocols for mobile ad hoc networks (MANETs): Ad Hoc On-Demand Distance Vector (AODV), Dynamic Source Routing (DSR), Temporary Ordered Routing Algorithm (TORA), and Dynamic MANET On-demand (DYMO). It describes the key mechanisms and operations of each protocol, including route discovery, route maintenance, and how they differ in approaches like maintaining source routes or next hop information. The document aims to identify which protocol is best suited under different circumstances.
C 16
This document summarizes several multipath routing protocols for mobile ad hoc networks (MANETs). It discusses Ad Hoc On-Demand Distance Vector (AODV) routing, which uses on-demand route discovery and maintenance. It also describes Ad hoc On-Demand Multipath Distance Vector (AOMDV) routing, which extends AODV to find multiple disjoint paths. Additionally, it reviews a Load Balancing Multipath AODV (LB-M AODV) protocol that uses multiple paths to increase delivery ratio and balances load. Finally, it briefly discusses a Backup Path Routing protocol that selects primary and backup paths, and a Prioritized Routing (PRIMAR) protocol that considers packet priority when
Survey of Modified Routing Protocols for Mobile Ad-hoc Network
In last few years extensive research work has been done in the field of routing protocols for Ad-hoc Network. Various routing protocols have been evaluated in different network conditions using different performance metrics. A lot of research has been done how to modify standard routing protocol in ad-hoc network to improve its performance. The hop count is not only metric that gives efficient routing path. There are various modified protocols which make the use of other parameters along with hop count to select the best routing path to the destination. In standard Ad-hoc On-demand Distance Vector (AODV) routing protocol only hop count is used for selecting the routing path. In this paper we have studied variants of AODV protocols with modified routing metric.
H01115155
This document analyzes the performance of three routing protocols - AODV, DSDV, and OLSR - in a mobile ad hoc network simulation using the NS-3 simulator. It describes the key characteristics of each protocol and the simulation setup, which involved 50 nodes moving according to a random waypoint model. The performance metric studied was packet delivery ratio. The results showed that OLSR achieved the highest packet delivery ratio, performing better than AODV and DSDV in delivering packets from source to destination nodes over the 600 second simulation.
Review paper on performance analysis of AODV, DSDV, OLSR on the basis of pack...
This document analyzes the performance of three routing protocols - AODV, DSDV, and OLSR - in mobile ad hoc networks based on packet delivery ratio. It simulates the protocols using NS-3 simulator over 600 seconds with 50 nodes moving randomly. The results show that OLSR has the best performance with high and stable packet delivery ratio, while DSDV has the worst performance with many dropped packets. AODV shows average performance throughout the simulation.
Network Surveillance Based Data Transference in Cognitive Radio Network with ...
The document compares different wireless routing protocols to find the most energy efficient for creating a cognitive radio network model with attacker nodes. It first describes cognitive radio networks and their ability to dynamically access unused radio spectrum. It then summarizes the characteristics of reactive, proactive, and hybrid routing protocols. Reactive protocols determine routes on demand through flooding, while proactive protocols constantly update routing tables. The document analyzes the ad hoc on-demand distance vector (AODV) and dynamic source routing (DSR) reactive protocols as well as the destination sequenced distance vector (DSDV) and optimized link state (OLSR) proactive protocols. It aims to compare these protocols and determine the most energy efficient for the cognitive radio network model.
Network Surveillance Based Data Transference in Cognitive Radio Network with ...
This document compares different wireless routing protocols to find the most energy efficient for creating a cognitive radio network model with attacker nodes. It analyzes reactive, proactive, and hybrid routing protocols including AODV, DSR, DSDV, OLSR, and a hybrid protocol. Simulation results show the hybrid protocol consumes the least energy compared to other protocols, making it well-suited for an energy efficient cognitive radio network model.
Experimental Analysis Of On Demand Routing Protocol
The document discusses experimental analysis of on-demand routing protocols for mobile ad hoc networks. It provides an outline and introduces key terminologies for multi-hop networks, protocols, routers, hubs, switches, and network topologies. The literature review summarizes several research papers that analyze routing protocols like AODV, DSR, and DSDV using simulation tools to evaluate metrics such as packet delivery ratio, end-to-end delay, and network throughput under different mobility conditions. The problem statement indicates the document will experimentally analyze and compare the performance of on-demand routing protocols.
Performance Analysis of Mobile Adhoc Network Routing Protocols Over Tcp
In order to reduce the communication cost and time we are looking forward for successful implementation
of an infrastructure less network like Mobile Ad Hoc Network in all arena of wireless mobile
communication. But still it is a challenge to decide a most appropriate routing protocol for MANET. In
MANET there is no fixed topology due to the mobility of nodes, interference, multipath propagation and
path loss. Since MANET does not use fixed infrastructure rather it always have to find suitable router and
routing path for each communication, existing established routing protocol is not suitable for MANET to
function properly. Different Routing protocols have been proposed to meet the challenges with MANETs.
This paper evaluates the performances of four MANET routing protocols which are DSDV, AODV, DSR
and TORA over TCP, a Transport Layer Protocol. The performance metrics which are considered in this
paper are packet delivery fractions, normalized routing overload, end to end delay and throughput. DSDV
is a proactive protocol and the others are reactive protocols.
Lecture number 5 Theory.pdf(machine learning)
This document discusses computer networks and routing protocols. It provides an overview of key topics including:
- The difference between routed protocols like IPv4 and IPv6 that transfer user data, and routing protocols like RIP and OSPF that send route update packets.
- Common routing and routed protocols including IGPs, EGPs, RIP, OSPF, EIGRP and BGP.
- Desirable properties of routing algorithms such as correctness, robustness, stability, fairness and efficiency.
- Types of routing including fixed, flooding, dynamic and default routing. Characteristics of distance vector and link state routing protocols are also outlined.
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Presentation2modi
- 1. MADE BY- YATIN TALWAR 991110301 F7
- 2. Routing Routing protocols Types of Routing Protocols Wireless Networks AODV DSR
- 3. Routing is a process of selecting best paths in a network. Routing process directs forwarding(packet) on the basis of routing tables which maintain the record of the routes to various network destinations. Routing is performed in different kinds of networks like telephone network, electronic data network(such as internet).
- 4. 1. Reactive protocol(on demand) - Discover routes when needed. - Source initiated route discovery. 2. Proactive protocol - Traditional shortest path protocols - Based on periodic updates.
- 6. There are two types of wireless networks- 1. Network with fixed infrastructure 2. Ad-hoc wireless networks
- 7. A reactive routing protocol AODV uses traditional routing tables, one entry per destination and sequence numbers are used to determine whether routing information is up- to-date and to prevent routing loops. Source broadcasts a route request which contains source IP address and destination IP address. Each node forwards packets depending upon the IP address.
- 8. In AODV routing protocol, there are control messages used for discovery and breakage of routes- 1. RREQ 2. RREP 3. RERR 4. HELLO Message
- 10. The key distinguishing feature of DSR is the use of source routing. That is, the sender knows the complete hop-by-hop route to the destination. These routes are stored in a route cache. The data packets carry the source route in the packet header. When a node in the ad hoc network attempts to send a data packet to a destination for which it does not already know the route, it uses a route discovery process to dynamically determine such a route.
- 11. DSR protocol is divided into two mechanisms which show the basic operation of DSR. The two mechanisms are: 1. Route Discovery 2. Route Maintenance
- 18. PROTOCOLS DROPPED RECEIVED JITTER THROUGHPUT AODV Highest packet drop Most consistency Average performance Most consistency DSR Least packet drop Least consistency Low performance Average consistency
- 19. THANK YOU