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Wormhole routing, the latest switching technique to be utilized by massively parallel computers, enjoys the distinct advantage of a low latency when compared to other switching techniques. This low latency is due to the nearly distance…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-31 Denvil Smith

We show that the performance of relay selection can be improved by employing relays with buffers. Under the idealized assumption that no buffer is full or empty, the best source-relay and the best relay-destination channels can be…

Information Theory · Computer Science 2011-03-21 Aissa Ikhlef , Diomidis S. Michalopoulos , Robert Schober

ATM-UBR switches respond to congestion by dropping cells when their buffers become full. TCP connections running over UBR experience low throughput and high unfairness. For 100% TCP throughput each switch needs buffers equal to the sum of…

Networking and Internet Architecture · Computer Science 2007-05-23 Rohit Goyal , Raj Jain , Shiv Kalyanaraman , Sonia Fahmy , Seong-Cheol Kim

Full-duplex wireless communication has the potential to double the capacity of wireless networks by reducing the band occupancy of transmissions. However, a full-duplex capability cannot always reduce the band occupancy because the real…

Networking and Internet Architecture · Computer Science 2018-12-18 Makoto Kobayashi , Shunsuke Saruwatari , Takashi Watanabe

The increasing popularity of deep neural network (DNN) applications demands high computing power and efficient hardware accelerator architecture. DNN accelerators use a large number of processing elements (PEs) and on-chip memory for…

Machine Learning · Computer Science 2022-04-28 Binayak Tiwari , Mei Yang , Xiaohang Wang , Yingtao Jiang

Network-on-Chip (NoC) has become a popular choice for connecting a large number of processing cores in chip multiprocessor design. In a conventional NoC design, most of the area in the router is occupied by the buffers and the crossbar…

Hardware Architecture · Computer Science 2020-07-07 Wo-Tak Wu

Single path routing that is currently used in the internet routers,is easy to implement as it simplifies the routing tables and packet flow paths. However it is not optimal and has shortcomings in utilizing the network resources optimally,…

Networking and Internet Architecture · Computer Science 2016-01-07 Rashmi Singh , Yatindra Nath Singh , Anita Yadav

One practical open problem is the development of a distributed algorithm that achieves near-optimal utility using only a finite (and small) buffer size for queues in a stochastic network. This paper studies utility maximization (or cost…

Optimization and Control · Mathematics 2015-01-15 Sucha Supittayapornpong , Michael J. Neely

We present a new, deadlock-free, routing scheme for toroidal interconnection networks, called OutFlank Routing (OFR). OFR is an adaptive strategy which exploits non-minimal links, both in the source and in the destination nodes. When…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-05-22 Francesco Versaci

Increase in the speed of processors has led to crucial role of communication in the performance of systems. As a result, routing is taken into consideration as one of the most important subjects of the Network on Chip architecture. Routing…

Hardware Architecture · Computer Science 2012-09-18 Saeid Sharifian Nia , Abbas Vafaei , Hamid Shahimohamadi

In this paper, we present a new routing algorithm called "the Self Avoiding Paths Routing Algorithm". Its application to traffic flow in scale-free networks shows a great improvement over the so called "efficient routing" protocol while at…

Networking and Internet Architecture · Computer Science 2013-02-18 Abdeljalil Rachadi , Mohamed Jedra , Noureddine Zahid

We have presented an optimal buffer sizing and buffer insertion methodology which uses stochastic models of the architecture and Continuous Time Markov Decision Processes CTMDPs. Such a methodology is useful in managing the scarce buffer…

Hardware Architecture · Computer Science 2011-11-09 Sankalp S. Kallakuri , Alex Doboli , Eugene A. Feinberg

The Internet can be made more efficient and robust with hop-by-hop multipath routing: Each router on the path can split packets between multiple nexthops in order to 1) avoid failed links and 2) reduce traffic on congested links. Before…

Networking and Internet Architecture · Computer Science 2019-06-26 Klaus Schneider , Beichuan Zhang , Lotfi Benmohamed

In this paper, we consider an unmanned aerial vehicle (UAV) aided mobile relaying system under a buffer constraint. We propose a new relaying protocol employing mixed free-space optical/radio frequency (FSO/RF) communication, i.e., the…

Information Theory · Computer Science 2020-07-08 Ju-Hyung Lee , Ki-Hong Park , Young-Chai Ko , Mohamed-Slim Alouini

Performance evaluation of the routing node in terms of latency is the characteristics of an efficient design of Buffer in input module. It is intended to study and quantify the behavior of the single packet array design in relation to the…

Hardware Architecture · Computer Science 2013-02-19 Nilesh A. Mohota , Sanjay L. Badjate

We propose network coding as an energy efficient data transmission technique in core networks with non-bypass and bypass routing approaches. The improvement in energy efficiency is achieved through reduction in the traffic flows passing…

Networking and Internet Architecture · Computer Science 2019-08-22 Mohamed Musa , Taisir Elgorashi , Jaafar Elmirghani

Tor, a widely utilized privacy network, enables anonymous communication but is vulnerable to flow correlation attacks that deanonymize users by correlating traffic patterns from Tor's ingress and egress segments. Various defenses have been…

Cryptography and Security · Computer Science 2025-10-21 Minjae Seo , Myoungsung You , Jaehan Kim , Taejune Park , Seungwon Shin , Jinwoo Kim

Considering two-hop cooperative communication with buffered half-duplex relays, this work jointly optimizes relay selection and transmit power at the relay to maximize the sum-throughput of the network subject to a minimum throughput…

Information Theory · Computer Science 2020-11-26 F. A. Khan , Z. A. Malik , A. A. Nasir , M. Masood

To interconnect their growing number of servers, current supercomputers and data centers are starting to adopt low-diameter networks, such as HyperX, Dragonfly and Dragonfly+. These emergent topologies require balancing the load over their…

Hardware Architecture · Computer Science 2024-02-02 Alejandro Cano , Cristóbal Camarero , Carmen Martínez , Ramón Beivide

The emerging hybrid DRAM-NVM architecture is challenging the existing memory management mechanism in operating system. In this paper, we introduce memos, which can schedule memory resources over the entire memory hierarchy including cache,…

Operating Systems · Computer Science 2017-03-23 Lei Liu , Mengyao Xie , Hao Yang