A Network is defined as the group of people or systems or organizations who tend to share their information collectively for their business purpose. In Computer terminology the definition for networks is similar as a group of computers logically connected for the sharing of information or services (like print services, multi-tasking, etc.). Initially Computer networks were started as a necessity for sharing files and printers but later this has moved from that particular job of file and printer sharing to application sharing and business logic sharing.These networks may be fixed (cabled, permanent) or temporary.A network can be characterized as wired or wireless. Wireless can be distinguished from wired as no physical connectivity between nodes are needed.A mobile ad-hoc network (MANET) is an autonomous system of mobile nodes, a kind of a wireless network where the mobile nodes dynamically form a network to exchange information without utilizing any pre-existing fixed network infrastructure.For a MANET to be constructed, all needed is a node willing to send data to a node willing to accept data. Each mobile node of anad-hoc network operates as a host as well as a router, forwarding packets for other mobile nodes in the network that may not be within the transmission range of the source mobile node. Each node participates in an ad-hoc routing protocol that allows it to discover multi-hop paths through the network to any other node.The flowchart upon which it works is as follows:
Example Of Mobile ad-hoc Network
2. MaNET Characteristics
2.1 Dynamic Topologies
2.2 Bandwidth-constrained, variable capacity links
2.3 Power-constrained operations
3.4 Limited physical security
2.1 DYNAMIC TOPOLOGIES
Nodes are free to move arbitrarily; thus network topology—which is typically multihop—may change randomly and rapidly at unpredictable times. Adjustment of transmission and reception parameters such as power may also impact the... [continues]
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