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The paper discusses the 3GPP Evolved Packet Core (EPC) as an implementation of a flat data plane architecture. The number of data/user plane nodes might be not minimal in certain situations when multiple connections to different networks are established. Improvements are proposed to achieve an optimal flat network architecture.
The specifications of the protocols supporting mobility - MIPv6, NEMO - centralize their key functionalities on the home agent, which represents a single point of failure. In the context of the French research project REMORA, we have developed a solution to make home agent-based mobility protocols more reliable against the home agent failures. This paper presents the design, the implementation and...
Mobile nodes moving across heterogenous access networks need to perform mobile IP handovers to maintain continuity of Internet access. The IEEE 802.21 framework was defined to support such handovers by providing link layer intelligence and media independent handover control facilities to the user entities. This framework, however, does not provide all controls necessary to perform seamless handovers...
Video-streaming can now be offered on third-generation (3G) mobile networks. Most research efforts have focused on video download. This paper presents a detailed study of challenges faced for successfully deploying applications requiring life video upload. Both subjective and objective qualities as well as the effects of mobility are analyzed on real 3G networks. Consequently, video profiles are identified...
MosquitoNet is a new project at Stanford University for investigating operating system and application issues in mobile and wireless computing. Our initial goals focus on providing the appearance of continuous network connectivity for mobile hosts. To achieve these goals we must first enable portable computers to move seamlessly from one communications medium to another, for example from an Ethernet...
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