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The nature of Internet traffic has changed dramatically within the last few years, where a large volume of traffic is originated from mobile applications (known as apps), web based multimedia streaming, computation offloading like cloud computing and Internet of Things (IoT) etc. These types applications generate multiple parallel short lived end-to-end connections. However, the three major requirements...
Internet-of-Things (IoT) is emerging as one of the popular technologies influencing every aspect of human life. The IoT devices equipped with sensors are changing every domain of the world to become smarter. In particular, the majorly benifited service sectors are agriculture, industries, healthcare, control & automation, retail & logistics, and power & energy. The data generated...
Mobile devices have become quite popular, and they are responsible for a significant part of Internet traffic. In these devices, multimedia services, such as video streaming over HTTP, are commonly adopted, and TCP protocol is the standard to assure reliable data transmission. To deal with applications that require higher bandwidth, several modifications were made on TCP, and they are called extensions...
In the present time, the Research and industry are showing more interest in Vehicular Networks. Vehicular Network is providing the Road Safety, Security, traffic monitoring, comfort driving types of applications for person safety. It is the essential point that the servers which are using for safety not give any drawback and problem. For proper communication, it is essential that the communication...
NVMe is emerging as the standard protocol for communicating with high performance storage devices over the PCIe interface, independent of the underlying storage technology. Being a relatively new standard, there is a distinct lack of tools that can help in evaluating contemporary and future storage solutions built on NVMe. In this paper, we provide the design and analysis of FlexDrive, a software...
4G/3G Networks have been widely deployed around the world to provide high wireless bandwidth for mobile users. However, the achievable 3G/4G bandwidth is still much lower than their theoretic maximum. Signal strengths and available backhaul capacities may vary significantly at different locations and times, often leading to unsatisfactory performance. Band-width aggregation, which uses multiple interfaces...
Direct (or device-to-device, D2D) communications are being investigated in the framework of LTE- Advanced. They allow one-to-one communications between two endpoints, under the control of the eNodeB, which allocates resources for the d2d flow, but does not act as a relay for its traffic. The direct link can also be used for file transfer or proximity-based browsing, i.e. applications running on TCP...
Universal Serial Bus 3.0 is one of the much sought after communication based protocols that acts as an interface between computers and other electronic devices. With a well defined SuperSpeed of 5 Giga bits per second, it provides backward compatibility to its predecessors. It suits for small devices which are not self powered. It has an increased bandwidth and power save states that are enhanced...
By improvements of ICT (Information and Communications Technologies), a lot of advanced high speed communication standards such as 3G (3rd generation mobile telecommunications), LTE (Long Term Evolution) and High speed WLAN (Wireless Local Area Network) have been developed. Recently, most devices destined for consumer use, equip more than one communication interface based on the above high speed communication...
We introduce the latest extended functions for the VNode infrastructure. We present new extended VNode infrastructure functions that achieve high performance and provide convenient deep programmability to network developers. In addition, we extend network virtualization from the core network to edge networks and terminals. We deploy an enhanced VNode infrastructure on the JGN-X testbed in evaluation...
Cloud centric environments fueled by Ethernet dominant networking increasingly use iSCSI as a prevalent storage networking protocol among highly distributed and interconnected servers and storage devices. Numerous advances such as faster multi-core CPUs, hardware offloading engines, higher bandwidth networking and faster storage devices mandate a re-evaluation of iSCSI implementations and performance...
Network performance increase does not have to be associated only with the upgrade of existing infrastructure and devices. More effective and less expensive increase of network performance can be achieved via sophisticated improvement of existing protocols, mainly at network and transport layer. The aim of this paper is to introduce our new approach for solving network performance issues which occur...
Robust Header Compression (ROHC) is a standardized option defined by the IETF to compress the various transport and communication protocol headers over wireless links. In the present day scenario, when the applications and services are evolving to become more bandwidth hungry, wireless networks are expected to be capable of letting them drive on wireless links and provide required quality of service...
Increasing number of MPI applications are being ported to take advantage of the compute power offered by GPUs. Data movement on GPU clusters continues to be the major bottleneck that keeps scientific applications from fully harnessing the potential of GPUs. Earlier, GPU-GPU inter-node communication has to move data from GPU memory to host memory before sending it over the network. MPI libraries like...
Device-to-device (D2D) connectivity is likely to represent a major enabling technology for future fifth generation (5G) radio access networks. In this paper, we introduce a new model for device cooperation in 5G radio access networks termed frequency-selective soft forwarding (FSSF). FSSF is based on soft-combining by a target user equipment (TUE) of selectively forwarded soft information data by...
Configuration validation is the process of automatically assessing whether the various configuration parameters of a network's devices are set to appropriate values according to a set of formal constraints given beforehand. Virtually all automated validation solutions presented to date assume a centralized and complete knowledge of the network's configuration to perform their analysis. We present...
A reduced interface and high performanceembedded system architecture (MSBUS) is proposed in thispaper. The control bus is low-cost and low-power, whereas thedata bus is high-bandwidth and high-speed especially. Inaddition, a Universal Verification Methodology (UVM)-basedperformance evaluation methodology is proposed to estimate thehardware structures. In order to evaluate the bus performance, AHB,...
Multipath TCP (MPTCP) is an extension of TCP, developed by Internet Engineering Task Force (IETF) to support communication between source and destination through multiple flows under a single connection session. We have conducted several experiments with real hardware on flows with extreme variation in path quality and found that unless receive buffer size is increased to a much higher value, the...
A key important issue for telecom management is the delay in comprehending network conditions. This delay harms precise network management activities because the amount of managed data required for performance management has been increasing due to emerging technology such as the virtualization tailoring dedicated network service for an enterprise. Hence, the increase in managed data is accelerating,...
The 802.11n standard promises to extend todays most popular WLAN standard by significantly increasing reach, reliability, and throughput. Ratified on September 2009, this standard defines many new physical layer and medium access control (MAC) layer enhancements. These enhancements aim to provide a data transmission rate of up to 600 Mbps. Since June 2007, 802.11n products are available on the enterprise...
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