Mobile Computing (MC)
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Unit-1:
The rapidly expanding technology of cellular communication, wireless LANs, and satellite services will make information accessible anywhere and at any time. Regardless of size, most mobile computers will be equipped with a wireless connection to the fixed part of the network, and, perhaps, to other mobile computers.
Unit-2:
The IP addresses are designed to work with stationary hosts because part of the address defines the network to which the host is attached. A host cannot change its IP address without terminating on-going sessions and restarting them after it acquires a new address.
Unit-3:
The advantage of hoarding is that there is no access latency (delay in retrieving the queried record from the server over wireless mobile networks). The client device API has instantaneous data access to hoarded or cached data. After a device caches the data distributed by the server, the data is hoarded at the device.
Unit-4:
Data dissemination entails distributing and pushing data generated by a set of
computing systems or broadcasting data from audio, video, and data services. The output data
is sent to the mobile devices.
computing systems or broadcasting data from audio, video, and data services. The output data
is sent to the mobile devices.
Unit-5:
Mobile Ad hoc NETworks (MANETs) are wireless networks which are characterized by dynamic topologies and no fixed infrastructure. Each node in a MANET is a computer that may be required to act as both a host and a router and, as much, may be required to forward packets between nodes which cannot directly communicate with one another.
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