The difference between disconnection and failure is its elective nature. The wireless link is equivalent to an intermittently faulty link, which transmits correct messages during fault free conditions, and stops any transmissions upon a failure. 19-28, Oct. 1994. With the availability of wireless interface cards, mobile users are no longer required to remain confined within the static network premises to get network access. Mobility is not the same as wirelessness.
Mobile host is one who has ability to communicate anytime anywhere.
On the other hand, a wireless host is one which is physically untethered by a communication link, which is a capability of the physical media in use. Conversely , a wireless capability in a host does not necessarily imply unlimited mobility. The journal model is IEEE Transactions on Computers. 19-28, October, 1994. As shown in Figure 1, mobile networks generally comprise of a static backbone network and a wireless network.