Covering important real-world applications such as emergency (911) services, asset tracking, call routing, navigation, and staff location in hot desk environments, this book gives you all the information you need to fully support the latest technology. Learn how location information is produced, transported, and consumed in InternetUnderstand semantics and construction of the HELD and flap protocolsDiscover three role models display - presentity, presence service, and how the Access Location watcherExplore Agency (ALE) helps determine the location in accordance with certain types networksExamine in detail Location Information Server (LIS), including various types and location of the IP interfacesDetermine for devices that connect to all types of networks including WiFi and WiMAXGet details on location determination and acquisition techniques for residential broadband networks such as DSL and cableFind out about privacy controls and considerations for Internet location