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Future generations of mobile operator networks, based on an all-IP-based flat architecture and a multitude of different access technologies, require a proper IP-based mobility management in place. In this article, a scalable and completely distributed mobility management is presented which is based on a Distributed Hash Table data structure. The Distributed IP Mobility Approach (DIMA) remains completely...
Anonymity in telecommunication services means much more than protecting the identity of participants. It requires mechanisms and protocols that unlink the communication parties, unlink users from their location, and avoid statistical analysis. These functional requirements apply also when providing anonymity services to SIP, whereas the identities of caller and the callee(s) should be secured. On...
Wide spread adoption of mobile Internet services will increase the demand for low cost high capacity wireless networks. Cooperation between different types of operators will enable increased network utilization and availability for the end-users. This will lead to more satisfied customers and potentially both more users and increased usage. The benefits of cooperation is clear for end-users as they...
One of the major problems of deploying RSVP in the mobile environment is called the advanceresourcereservation problem. If an RSVP reservation path is reserved in advance in the subnet that a mobile node will visit, the mobile node can continue its QoS session smoothly when it hands over to that subnet. However, if too many network resources are used for advance reservation, new QoS sessions originating...
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