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Application relays can be used to reduce end-to-end latency to provide shorter paths than IP default paths. To fit the large-scale and distributed features of Internet, the nodes can cooperate to form a latency-reducing routing overlay by acting as relays for each other in peer-to-peer paradigms. In this paper, we utilize the triangle inequality violations (TIV) in delay space to model the relays...
The handover performance plays a crucial role in guaranteeing the quality of real-time applications in WiMAX networks. In general, a handover process can be divided into four stages: i) cell reselection, ii) handover preparation, iii) link layer handover, and iv) IP layer handover. A cross-layer parallel handover optimization (CPHO) scheme is proposed in this paper to reduce the handover signaling...
SIP (session initial protocol) is a signaling protocol widely used in IP-based multimedia communication. Recently, P2PSIP reduces the deployment and maintenance cost, as well as improves the robustness and scalability of SIP-based system. SIP, P2PSIP network will coexist in the forthcoming future. This paper focuses on the P2PSIPand its relationship with SIP. We design and implement a P2PSIP adaptor,...
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