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Future Wireless Networks (FWNs) will be a convergence of many fixed and mobile networking technologies including cellular, wireless LANs, and traditional wired networks. This united ubiquitous network will consist of billions of networkable devices with different networking interfaces. A common networking protocol is required to communicate among these devices and interfaces; System Architecture Evolution (SAE) documents state that Internet Protocol (IP), world-widely used in the current Internet, is likely to become that common protocol. However, traditional IP architecture has faced several known challenges, such as mobility, multihoming, privacy, path preference selection, etc., which should be resolved in FWNs. One of the difficulties in the current IP architecture is the overloading of IP addresses used both as the identity and the location of IP devices.
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