What Is Chapter 3 Mechanism Required In Ad Hoc Network
Chapter 2
Fundamentals
2.1 Introduction of networking
A network consists of two or more computers that are linked in order to share resources (such as printers), exchange files or allow electronic communication. The computers on a network may be linked through cables, telephone lines, radio waves, satellites or infrared light beams. The purpose of a network is to share resources. A resource may be file, folder, printer or disk drive. A network is simply collection of computers or other hardware devices that are devices that are connected together either physically or logically using special hardware and software to allow them to exchange information and cooperate. Networking is the term that describe the processes involve in designing, implementation, upgrading,
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Military communication
. Sensor network
. Rescue operation
. Student on campus
. Free internet connection sharing and conferences
2.3 Mechanism required in ad hoc network
. To be connected to the network a node should must within the area of influence of atleast one node on the network
. Multi hop operations required a routing mechanism design for mobile nodes
. Internet access mechanism
. Self configure network require an address allocation mechanism
. Mechanism to detect an act on merging of existing networks
. Even if the source and destination nodes are not within each other communication range data packets are forwarded to the destination by relaying transmission through other nodes that exist between the two nodes.
. Optimal mode of communication between ordinary node and cluster head
. The control overhead of cluster construction and maintenance
. The consumption of mobile nodes with different cluster related status
. Selecting the optimal frequency of CH rotation
2.4 Ad Hoc network constraints and issues
. Lack of central entity
. Network topology changes frequently
. Routing and mobility management
. Channel access bandwidth availability
. Hidden stations problem
. Lack of symmetrical
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