For communications devices, users expect mobility to be more than just the ability to move. The goal of communications mobility is for a device to be fully operable while it is moving. Mobile telephony has set a standard that mobile computing devices need to live up to. These devices need to be fully functional whenever and wherever they are operated.

To achieve full mobility, a protocol must support location discovery, move detection, update signaling and path (re)establishment. These requirements can be met in different ways at any layer of the OSI model. Chapter 2 shows how these requirements are met at Layer 3 with the Mobile IP protocol. The chapter also discusses how Mobile IP interacts with different layers to achieve better mobility.

    Mobile IP Technology and Applications
    Mobile IP Technology and Applications
    ISBN: 158705132X
    EAN: 2147483647
    Year: 2005
    Pages: 124

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