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Data center network architectures are widely applied in cloud computing. Clients requesting access to multiple servers in multicast environments typically results in throughput collapse because of transmission control protocol (TCP) retransmissions and limited switch buffer sizes. This communication pattern is known as TCP Incast. This study investigated the network performance of a cloud environment...
Quality of Service (QoS) -- based bandwidth allocation plays a key role in real-time computing systems and applications such as voice IP, teleconferencing, and gaming. Likewise, customer services often need to be distinguished according to their service priorities and requirements. In this paper, we consider bandwidth allocation in the networks of a cloud carrier in which cloud users' requests are...
Video streaming accounts today for more than half of the global Internet traffic. Content Delivery Networks (CDNs) are employed to provide scalable and reliable video streaming services. Typically, the delivery systems are provisioned to meet the expected peak demands which are due to time-of-day effects. However, such a sizing strategy may either not be able to handle unpredictable flash crowd scenarios,...
Internet has played an important part in the success of information technologies. With growing and changing demands, there are many limitations faced by current Internet. A number of network test beds are created for solving a set of specific problems in Internet. Traditionally, these test beds are lacking of large scale network and flexibility. Therefore, it is necessary to design and implement a...
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