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A fast Deflate implementation is described that outperforms Zlib by 6x. This pushes Deflate to speeds similar or better than purpose-built for speed standards such as LZ4 and Snappy but at better compression ratios.
Internet access is becoming even more heterogeneous, including different wireless backhauling links, with Ka-band satellites as a possible alternative. Since communication path is unknown a priori, adoption of PEP solutions to optimize TCP performance over satellite is discouraged to allow dynamic network reconfigurations. To opposite, an end-to-end TCP performance evaluation on such a challenging...
TTEthemet is a real-time Ethernet protocol that was designed to not only provide a deterministically temporal behavior for hard real-time communication but also support all types of Ethernet-based traffic coexisting in the same TTEthemet network. TTEthemet switches using the Timely Block method can obtain the timely deterministic behavior of time-triggered (TT) traffic with a very low communication...
With Netflix and YouTube accounting for more than 50% of North American, fixed network peak download traffic in 2015, video streaming is a significant source of Internet traffic. Dynamic Adaptive Streaming over HTTP (DASH) is a recent standard for live and on-demand video streaming services, where clients adapt their behaviour on-the-fly to match regularly updated estimates of network capacity. Consumer...
Explicit Congestion Notification (ECN) lets a bottleneck's Active Queue Management (AQM) mechanism inform an endpoint about congestion without having to drop a packet. A recently proposed sender-side modification called Alternative Backoff with ECN (ABE) enables reduced latency while maintaining good utilization with ECN. However, under certain circumstances ABE can produce a degree of unfair behavior...
By leveraging the uneven distribution of traffic among network flows, the authors improve the query throughput of Cuckoo hashing. They achieve this by placing the most frequently used items in the table that's accessed first during the Cuckoo query operation. Their scheme is named Cuckoo cache, as it's conceptually similar to a cache but implemented inside the Cuckoo hash with little additional cost...
This paper investigates the characteristics of Tahoe, Reno, New Reno, Vegas, and Sack, and calculated their throughputs in simulated environment using NS-2 simulator by varying various performances parameters such as bandwidth, simulation time and number of traffic sources in order to figure out which one of them is the best for which scenario. Simulation was performed to study the performance of...
IoT has emerged to realize the notion of ubiquitous interaction of everything. With the help of IoT, various types of objects including human, machine, and almost all things can communicate with each other via the Internet. However, the current state of the art in IoT technology focuses on the limited application such as signalling and exchange of sensing data. In this paper, we look into the necessity...
Software-defined networking (SDN) has emerged as one of the future internet technologies. It separates the control plane and the data plane, keeping the data plane simple by assigning the complex computing to the control plane. Active queue management (AQM) has been researched to obtain lower delay and higher throughput. It is noteworthy to have these advantages in SDN. To bring AQM to SDN without...
Over current long fat networks, enough throughput cannot be obtained using TCP Reno, which is the classical standard TCP congestion avoidance algorithm. For this reason, many high performance TCPs have been proposed, such as Compound TCP and CUBIC TCP. Then, these proposals have caused a new issue, which is fairness among these modern TCPs. For this issue, several fairness evaluations and some proposals...
Although new TCP congestion control algorithms have been proposed for high-speed network in recent years, standard TCP is still the most widely used on the Internet. The performance of applications strongly depends on the behavior of TCP, especially the TCP congestion control algorithms. As different operating systems may implement standard TCP differently in detail, our objective is to investigate...
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