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Service differentiation is known as on the classic and major tasks in IP networks. We propose a novel queuing method which benefits both “Less Impact Better Service” (LIBS) and fuzzy logic paradigms. LIBS leads us to a queuing method called non-congestive queuing, which prioritizes small packets when conditions permit to limit the delay impact of prioritization on congestive applications. In our proposed...
Efficient and reliable operation of the Smart Grid largely depends on performance of the communication infrastructure. This paper investigates the opportunities to use existing public IP communication paradigm instead of constructing an end to end dedicated architecture confining to Smart Grid applications. Even though this concept is favorable as means of decreasing the installation expenditure,...
In this paper, we consider the problem of IP packet scheduling over a GSE/DVB-S2 satellite link. Scheduling flows with QoS requirements has been widely addressed in the mobile field, especially in LTE and WiMAX, with emphasis on fairness, efficiency and dynamic adaptation to transmission conditions. We focus on the well-known empirical scheduling rules known as PF, M-LWDF and EXP-PF for both QoS and...
The mobile ecosystem is currently facing tremendous changes; in particular, the actual deployment of 4G will probably not be sufficient to totally fit the upcoming mobile data traffic explosion. This mismatch may be explained by the low marginal revenues expectable from mobile data compared to huge investments it requires. Consequently, congestion may appear soon in radio access networks, thus degrading...
A distinguishing feature of the universal mobile telecommunications system (UMTS) is the support of different levels of quality of service (QoS) as required by subscribers and their applications. To provide QoS, the UMTS backbone network needs an efficient QoS mechanism to provide the demanded level of services on UMTS network. A model to investigate end-to-end quality of service (QoS) provisioning...
Telerobotic control systems can tolerate a fixed delay in the control loop, but are highly sensitive to delay jitter. Before such systems can be widely deployed over the Internet, packet switching techniques which ensure a high 'Quality of Service' (QoS) and low delay jitter will be required. It is shown that guaranteed-rate traffic flows can be delivered over the Internet backbone with very low delay...
Summary form only given. Applications that require real-time interaction among users are gaining importance and widespread use as computer networks become increasingly powerful and ubiquitous. Many such applications impose stringent requirements on the network; among the applications today widely deployed, videoconferencing is the most demanding. In order for the participants in a videoconference...
Packet loss due to network congestion causes degradation in the quality of networked video transmitted over IP networks. Buffer management and packet scheduling are two key router-based quality of service (QoS) control techniques. Existing buffer management mechanisms mainly focus on preventing network congestion in order to reduce packet loss. However, a low packet loss ratio by itself does not necessarily...
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