Untraceable mobility or how to travel incognito

摘要: Abstract User mobility is rapidly becoming an important and popular network feature. This especially evident in wireless/cellular networks where user raises a number of security issues concerns. Foremost among them the ability to track mobile users' movements whereabouts. Ideally, no entity other than himself responsible authority user's home domain (if any) should know both real identity current location user. At present, most environments supporting either do not address problem at all or base their solutions on assumptions that are specific today's cellular phone networks. paper discusses related anonymity privacy It reviews state-of-the-art approaches, identifies exposures proposes several low-cost which vary complexity, degree protection about underlying environment.