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bandwidth issues
(2869 results)-
Webcasts
Optimizing Campus Networks for Video
Jun 2008
For enterprise companies, digital video has quickly evolved from a novelty to a necessity, encompassing a wide range of applications, including desktop video, videoconferencing, digital signage,...
Provided by Cisco Systems
-
Case Studies
Case Study - Gilt Groupe
Feb 2012
With millions of unique visitors to its website and over 5,000 requests per second during peak periods, online retailer Gilt Groupe could lose a large percentage of its daily profits in just 10...
Provided by Riverbed
-
White Papers
Optimal Quantisation Bit Budget for a Spectrum Sensing Scheme in Bandwidth-Constrained Cognitive Sensor Networks
Jul 2011
The problem of spectrum sensing in bandwidth-constrained cognitive sensor networks with quantised sensing observation is studied. In particular, the quantisation bit budget for achieving...
Provided by Southeast University
-
White Papers
Multipath Routing With Spatial Separation in Wireless Multi-Hop Networks Without Location Information
Oct 2010
The authors develop an on-demand multipath routing protocol for Multi-hop Wireless Networks (MWNs), capable of finding spatially disjoint paths (paths physically distant from each other) without...
Provided by Reed Elsevier
-
White Papers
A New Multi-Granularity Grooming Algorithm Based on Traffic Partition in IP Over WDM Networks
Nov 2010
Currently, the required bandwidth of IP-level users tends to be diversity, i.e., coarse-granularity demands and small-granularity demands. Employing traffic grooming or Waveband Switching (WS)...
Provided by Reed Elsevier
-
White Papers
WDA: A Web Farm Distributed Denial of Service Attack Attenuator
Jun 2010
Distributed Denial of Service (DDoS) attacks are familiar threats to Internet users for more than 10 years. Such attacks are carried out by a ''Bot-net", an army of zombie hosts spread around the...
Provided by Reed Elsevier
-
White Papers
Optimized Traffic Flow Assignment in Multi-Homed, Multi-Radio Mobile Hosts
Nov 2010
Multi-radio mobile communication devices are increasingly gaining market share due to the diversity of currently deployed and continuously emerging radio access technologies. Multi-homing support...
Provided by Reed Elsevier
-
White Papers
MPLS Automatic Bandwidth Allocation Via Adaptive Hysteresis
Nov 2010
MPLS automatic bandwidth allocation (or provisioning) refers to the process of dynamically updating the bandwidth allocation of a label switched path on the basis of actual aggregate traffic...
Provided by Reed Elsevier
-
White Papers
Design of a Sliding Window Scheme for Detecting High Packet-Rate Flows Via Random Packet Sampling
Dec 2010
The authors discuss the design of a sliding window scheme for detecting high packet-rate flows via random packet sampling. They determine the values of control parameters, such as the sampling...
Provided by Reed Elsevier
-
White Papers
On the Effect of Concurrent Applications in Bandwidth Measurement Speedometers
Dec 2010
Nowadays, operators are facing an increasing demand to ensure the committed bandwidth in broadband access links, both from customers and regulatory bodies. Usually, customers employ speedometers...
Provided by Reed Elsevier
-
White Papers
Distributed Recognition of Human Actions Using Wearable Motion Sensor Networks
Dec 2008
The authors propose a distributed recognition framework to classify continuous human actions using a low-bandwidth wearable motion sensor network, called Distributed Sparsity Classifier (DSC). The...
Provided by IOS Press
-
White Papers
Multiple-View Object Recognition in Band-Limited Distributed Camera Networks
Jul 2009
In this paper, the authors study the classical problem of object recognition in low-power, low-bandwidth distributed camera networks. The ability to perform robust object recognition is crucial...
Provided by University of California
-
White Papers
Irresponsible Forwarding
Oct 2008
In a self-organizing traffic information system, vehicles share and distribute the traffic information by rebroadcasting a received information packet to their neighbors. However, it is...
Provided by King Mongkut's Institute of Technology Ladkrabang
-
White Papers
Large Scale Probabilistic Available Bandwidth Estimation
Feb 2011
The common utilization-based definition of available bandwidth and many of the existing tools to estimate it suffer from several important weaknesses: most tools report a point estimate of average...
Provided by Reed Elsevier
-
White Papers
Taming the Elephants: New TCP Slow Start
Feb 2011
Standard slow start does not work well under large Bandwidth-Delay Product (BDP) networks. The authors find two reasons for this problem in three popular existing operating systems: Linux, FreeBSD...
Provided by Reed Elsevier
-
White Papers
Bandwidth Enhancement Techniques Comparison for Ultra Wideband Microstrip Antennas for Wireless Application
Jan 2012
Since the release by the Federal Communications Commission (FCC) of a bandwidth of 7.5GHz (from 3.1GHz to 10.6GHz) for Ultra-WideBand (UWB) wireless communications, UWB is rapidly advancing as a...
Provided by Journal of Theoretical and Applied Information Technology
-
White Papers
Optimized Data Broadcast Scheme Mobile Computing
Aug 2011
The rapid development of wireless communication technology and battery powered portable devices is making mobile information services increasingly popular. Since the bandwidth resource of wireless...
Provided by International Journal of Computer & Organization Trends(IJCOT)
-
White Papers
On Demand Connectivity Sharing: Queuing Management and Load Balancing for User-Provided Networks
Nov 2010
The authors introduce the concept of ''On demand connectivity sharing'', which they build on top of User-Provided Networks (UPNs). UPNs were recently proposed as a new connectivity paradigm,...
Provided by Reed Elsevier
-
White Papers
Block-Interlaced LDPC Decoders With Reduced Interconnect Complexity
Jul 2007
Two design techniques are proposed for high-throughput Low-Density Parity-Check (LDPC) decoders. A broadcasting technique mitigates routing congestion by reducing the total global wirelength. An...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Efficient Defence Against Misbehaving TCP Receiver DoS Attacks
Aug 2011
The congestion control algorithm of TCP relies on correct feedback from the receiver to determine the rate at which packets should be sent into the network. Hence, correct receiver feedback (in...
Provided by Reed Elsevier
-
White Papers
TCP Slow Start With Fair Share of Bandwidth
Aug 2011
The initial start-up performance of TCP largely depends on two parameters - ssthresh and cwnd. When these values are not accurate, TCP cannot utilize the bandwidth fully or may generate multiple...
Provided by Reed Elsevier
-
White Papers
Live Streaming of User Generated Videos: Workload Characterization and Content Delivery Architectures
Jul 2011
The authors are recently observing an increase in popularity of Web 2.0 applications offering users the possibility of transmitting their own live streaming media content. The considerable amount...
Provided by Reed Elsevier
-
White Papers
Bandwidth-Based Congestion Control for TCP: Measurement Noise-Aware Parameter Settings and Self-Induced Oscillation
Feb 2009
With increase in the heterogeneity and complexity of the Internet, many problems have emerged in the traditional TCP Reno. Against the problem, the authors have proposed a new bandwidth-based TCP...
Provided by Osaka University
-
White Papers
The Search for QoS in Data Networks: A Statistical Approach
Oct 2009
New Internet services like video on-demand, high definition IPTV, high definition video conferences and some real time applications have strong QoS requirements regarding losses, delay, jitter,...
Provided by Universidad De La Republica
-
White Papers
Traceband: A Fast, Low Overhead and Accurate Tool for Available Bandwidth Estimation and Monitoring
Oct 2009
Available bandwidth estimation techniques are being used in network monitoring and management tools to provide information about the utilization of the network and verify the compliance of service...
Provided by Reed Elsevier
-
White Papers
Optimizing Revenue for Bandwidth Auctions Over Networks With Time Reservations
Mar 2011
This paper concerns the problem of allocating network capacity through periodic auctions, in which users submit bids for fixed amounts of end-to-end service. The authors seek a distributed...
Provided by Universidad De La Republica
-
White Papers
Network Bandwidth Allocation Via Distributed Auctions With Time Reservations
Aug 2008
This paper explains the problem of allocating network capacity through periodic auctions. Motivated primarily by a service overlay architecture, the authors impose the following conditions: fully...
Provided by Universidad De La Republica
-
White Papers
Auctions for Resource Allocation in Overlay Networks
Aug 2008
In recent years, many types of "Overlay" networks have been proposed for the Internet. These overlays include content delivery networks, peer-to-peer file sharing, some voice-over-IP services, and...
Provided by Universidad De La Republica
-
White Papers
On the Performance of Delay-Tolerant Routing Protocols in Underwater Networks
Apr 2011
The underwater acoustic channel features long and variable propagation delay, high bit error rate and limited bandwidth. Moreover, underwater mobile networks consisting of Autonomous Underwater...
Provided by University of Padova
-
White Papers
Efficient and Reliable Power Line Communications Through Coding and Diversity Techniques
Oct 2009
Recognizing the resemblance of Power Line Communication (PLC) channels and the frequency-selective radio-frequency (RF) fading channels, this paper considers efficient and reliable PLC through the...
Provided by Lehigh University
-
White Papers
Future High Speed In-Vehicle PLC Networks
Oct 2009
This paper deals with Power Line Communication in vehicle (PLC). PLC is a very promising communication solution in order to offer future in-vehicle applications without increasing wiring...
Provided by CNRS
-
White Papers
A Flexible Reservation Algorithm for Advance Network Provisioning
Nov 2010
Many scientific applications need support from a communication infrastructure that provides predictable performance, which requires effective algorithms for bandwidth reservations. Network...
Provided by Lawrence Berkeley National Laboratory
-
White Papers
Transmitter Distribution for MIMO Visible Light Communication Systems
Jun 2011
In the future, buildings will be lit using solid state lighting, particularly white Light Emitting Diodes (LEDs). Solid state lighting is a rapidly expanding area of research due to the...
Provided by Northumbria University
-
White Papers
Efficient Bandwidth Measurements of Thin Film Filters for Next-Generation Optical Access
Jun 2011
The authors have measured differential group delay of thin film filters devices with 200 GHz and 100 GHz full width half maximum bandwidth employing method based on Jones Matrix Eigen-analysis and...
Provided by Liverpool John Moores University
-
White Papers
Redesigning Multi-Channel P2P Live Video Systems With View-Upload Decoupling
Jun 2010
In current multi-channel P2P live video systems, there are several fundamental performance problems including exceedingly-large channel switching delays, long playback lags, and poor performance...
Provided by Reed Elsevier
-
White Papers
Zone Indexing: Optimizing the Balance Between Searching and Indexing in a Loosely Structured Overlay
Jun 2010
While structured peer-to-peer systems are efficient in terms of overhead, they still lack the unstructured system's flexibility and ability to support a wide range of complex queries. This paper...
Provided by Reed Elsevier
-
White Papers
Inline Bandwidth Measurement Techniques for Gigabit Networks
Jan 2008
The authors introduce an inline measurement method that can overcome difficulties in measurement task in high-speed network environment, such as short packet transmission intervals and Interrupt...
Provided by Inderscience Enterprises
-
White Papers
Router Buffer Re-Sizing for Short-Lived TCP Flows
Jul 2007
Traditionally, the size of router buffers is determined by the bandwidth-delay product discipline (normal discipline), which is the product of the link bandwidth and average Round-Trip Time (RTT)...
Provided by Osaka University
-
White Papers
Effectiveness of Overlay Routing Based on Delay and Bandwidth Information
Oct 2007
Recent research on overlay networks has revealed that user-perceived network performance, such as end-to-end delay performance, could be improved by an overlay routing mechanism. However, these...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Real-Time Bandwidth Encapsulation for IP/MPLS Protection Switching
Jun 2010
MPLS fast reroute achieves fast protection switching times ideal for the recovery of real-time multimedia traffic. The paper proposes to guarantee real-time protection of multimedia traffic by...
Provided by University of Cape Town
-
White Papers
Secure Channel Establishment in Disadvantaged Networks
Oct 2010
Transport Layer Security (TLS) is a secure communication protocol that is used in many secure electronic applications. In order to establish a TLS connection, a client and server engage in a...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
An Investigation of Hotlinking and Its Countermeasures
May 2010
Hotlinking is a web behavior that links web resources on a hosting site into a webpage belonging to another site. However, unauthorized hotlinking is unethical because it not only violates the...
Provided by Reed Elsevier
-
Podcasts
The Next Generation Cloud and Your Network
Mar 2012
The wide area network, or WAN, is essential to next-generation cloud computing. This video featuring Forrester Research analyst Vanessa Alvarez looks at what is required for next-generation cloud...
Provided by Silver Peak Systems, Inc.
-
Whitepapers
Virtualization Changes Everything: Enter the vWOC
Mar 2012
Noted author Jim Metzler reports on the emergence of vWOCs, or virtual WAN Optimization Controllers. From the data center to the branch, virtualization is enabling a revolution in how WAN...
Provided by Silver Peak Systems, Inc.
-
Whitepapers
Silver Peak VXOA: A Foundation for Universal WAN Optimization
Mar 2012
Cloud architectures. Remote access to big data. Application performance in an increasingly networked world. A renewed focus on DR/BC based on instant replication between multiple data centers....
Provided by Silver Peak Systems, Inc.
-
Whitepapers
Dissolving Distance: Silver Peak's Technology Overview
Mar 2012
What is the secret sauce of WAN Optimization (WAN Op)? First time users are always amazed at the performance results. Long time users know they risk the wrath of their colleagues if they take it...
Provided by Silver Peak Systems, Inc.
-
White Papers
High Transmission Data Rate of Plastic Optical Fibers Over Silica Optical Fibers Based Optical Links for Short Transmission Ranges
Sep 2011
Optical fiber communications technology has been extensively employed and deployed in global communications networks and throughout terrestrial systems; from fiber to the home schemes in several...
Provided by International Journal of Computer Science and Telecommunications
-
White Papers
QoS-Based Cooperative Algorithm for Integral Multi-Commodity Flow Problem
Sep 2010
This paper treats with integral multi-commodity flow through a network. To enhance the Quality of Service (QoS) for channels, it is necessary to minimize delay and congestion. Decreasing the...
Provided by Reed Elsevier
-
White Papers
Extending Next Generation Network (NGN) Architecture for Connection-Oriented Transport
Feb 2010
Next Generation Network (NGN) is the architecture of the International Telecommunication Union-Telecommunication Standardization Sector (ITU-T in short) supporting the provisioning of Quality of...
Provided by Reed Elsevier
-
White Papers
Realistic Data Transfer Scheduling With Uncertainty
Feb 2010
Next Generation Networks (NGNs) will be comprised of different access technologies. The authors are already seeing the emergence of mobile devices with the capability of connecting to...
Provided by Reed Elsevier
-
White Papers
Probabilistic Framework and Performance Evaluation for Prioritized Call Admission Control in Next Generation Networks
Feb 2010
Next Generation Networks (NGN) are designed to support a wide range of applications with various Service Classes (SCs) guaranteeing the respective Quality of Service (QoS) levels. Since such...
Provided by Reed Elsevier
-
White Papers
Enhanced Core Processor Blocks of OFDM System
Sep 2011
OFDM is a multi carrier modulation technique in which the carriers are Orthogonal to each others as a result of which it provides high bandwidth efficiency and multiple carriers share the data...
Provided by International Journal of Electronics Communication and Computer Engineering
-
White Papers
Self-Similar Cross-Traffic Analysis as a Foundation for Choosing Among Active Available Bandwidth Measurement Strategies
Nov 2010
Among the many active, available bandwidth estimation tools and methods that have appeared recently in the literature, none has emerged that is accurate and robust enough to function in different...
Provided by Reed Elsevier
-
White Papers
Context-Aware Broadcasting Approaches in Mobile Ad Hoc Networks
Dec 2009
The aim of this paper is to compare different context-aware broadcasting approaches in Mobile Ad hoc NETworks (MANETs) and to evaluate their respective performances. Message broadcasting is one of...
Provided by Reed Elsevier
-
White Papers
Performance of Random Walks in One-Hop Replication Networks
Oct 2009
Random walks are gaining much attention from the networks research community. They are the basis of many proposals aimed to solve a variety of network-related problems such as resource location,...
Provided by Reed Elsevier
-
White Papers
Performance Evaluation of a Kademlia-Based Communication-Oriented P2P System Under Churn
Oct 2009
The phenomenon of churn has a significant effect on the performance of Peer-To-Peer (P2P) networks, especially in mobile environments that are characterized by intermittent connections and...
Provided by Reed Elsevier
-
White Papers
A New Economic Generalized Particle Model for Flow Control
Sep 2009
The problem of bandwidth allocation in computer networks can be likened to the supply - demand problem in economics. This paper presents the Economic Generalized Particle Model (EGPM) approach to...
Provided by Reed Elsevier
-
White Papers
A Bandwidth Allocation Algorithm for Multiuser OFDM Systems and Its Efficient Implementation
Dec 2007
This paper addresses the problem of efficient resource allocation for multiuser orthogonal frequency division multiplexing over frequency selective channels. For wideband applications, such as...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Efficient Staircase Scheme With Seamless Channel Transition Mechanism
Sep 2009
Video applications require large amount of bandwidth and also storage space. The Fast Broadcasting (FB) scheme is one of the simplest schemes to provide video services, but it requires...
Provided by Reed Elsevier
-
White Papers
Improving XCP to Achieve Max - Min Fair Bandwidth Allocation
Aug 2009
TCP is prone to be inefficient and unstable in high-speed and long-latency networks. The eXplicit Control Protocol (XCP) is a new and promising protocol that outperforms TCP in terms of...
Provided by Reed Elsevier
-
White Papers
Towards Optimized QoS Based - Charging Model
Jun 2007
This paper proposes a pricing model for Differentiated Services (DiffServ) network. The service differentiation is modeled according to the guaranteed QoS level for each class. This model assumes...
Provided by Southern Africa Telecommunication Networks and Applications Conference
-
White Papers
Investigating a Reduced Size Real-Time Transport Protocol for Low-Bandwidth Networks
Aug 2011
Optimization of bandwidth usage for video streaming is of paramount importance in networks where low bitrate links are typical. Among the solutions proposed to address this problem is header...
Provided by University of Cape Town
-
White Papers
Rainbow Fair Queueing: Fair Bandwidth Sharing Without Per-Flow State
Nov 2007
Fair bandwidth sharing at routers has several advantages, including protection of well-behaved flows and possible simplification of end-to-end congestion control mechanisms. Traditional mechanisms...
Provided by Georgia Institute of Technology
-
White Papers
Multi-Radio Access Selection to Reduce Reorder Buffer Requirements in Heterogeneous Wireless Networks With Multi-Homed Mobile Terminals
Aug 2011
Aggregating bandwidth from multiple Radio Access Technologies (RATs) provides an opportunity for network providers to enhance network capacity. This is important for serving applications that...
Provided by University of Cape Town
-
White Papers
Real-Time Bandwidth Encapsulation for IP/MPLS Protection Switching
Jun 2010
MPLS fast reroute achieves fast protection switching times ideal for the recovery of real-time multimedia traffic. The paper proposes to guarantee real-time protection of multimedia traffic by...
Provided by University of Cape Town
-
White Papers
Effectiveness of Overlay Routing Based on Delay and Bandwidth Information
Oct 2007
Recent research on overlay networks has revealed that user-perceived network performance, such as end-to-end delay performance, could be improved by an overlay routing mechanism. However, these...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Router Buffer Re-Sizing for Short-Lived TCP Flows
Jul 2007
Traditionally, the size of router buffers is determined by the bandwidth-delay product discipline (normal discipline), which is the product of the link bandwidth and average Round-Trip Time (RTT)...
Provided by Osaka University
-
White Papers
Inline Bandwidth Measurement Techniques for Gigabit Networks
Jan 2008
The authors introduce an inline measurement method that can overcome difficulties in measurement task in high-speed network environment, such as short packet transmission intervals and Interrupt...
Provided by Inderscience Enterprises
-
White Papers
Zone Indexing: Optimizing the Balance Between Searching and Indexing in a Loosely Structured Overlay
Jun 2010
While structured peer-to-peer systems are efficient in terms of overhead, they still lack the unstructured system's flexibility and ability to support a wide range of complex queries. This paper...
Provided by Reed Elsevier
-
White Papers
Redesigning Multi-Channel P2P Live Video Systems With View-Upload Decoupling
Jun 2010
In current multi-channel P2P live video systems, there are several fundamental performance problems including exceedingly-large channel switching delays, long playback lags, and poor performance...
Provided by Reed Elsevier
-
White Papers
Efficient Bandwidth Measurements of Thin Film Filters for Next-Generation Optical Access
Jun 2011
The authors have measured differential group delay of thin film filters devices with 200 GHz and 100 GHz full width half maximum bandwidth employing method based on Jones Matrix Eigen-analysis and...
Provided by Liverpool John Moores University
-
White Papers
Transmitter Distribution for MIMO Visible Light Communication Systems
Jun 2011
In the future, buildings will be lit using solid state lighting, particularly white Light Emitting Diodes (LEDs). Solid state lighting is a rapidly expanding area of research due to the...
Provided by Northumbria University
-
White Papers
A Flexible Reservation Algorithm for Advance Network Provisioning
Nov 2010
Many scientific applications need support from a communication infrastructure that provides predictable performance, which requires effective algorithms for bandwidth reservations. Network...
Provided by Lawrence Berkeley National Laboratory
-
White Papers
Future High Speed In-Vehicle PLC Networks
Oct 2009
This paper deals with Power Line Communication in vehicle (PLC). PLC is a very promising communication solution in order to offer future in-vehicle applications without increasing wiring...
Provided by CNRS
-
White Papers
Efficient and Reliable Power Line Communications Through Coding and Diversity Techniques
Oct 2009
Recognizing the resemblance of Power Line Communication (PLC) channels and the frequency-selective radio-frequency (RF) fading channels, this paper considers efficient and reliable PLC through the...
Provided by Lehigh University
-
White Papers
On the Performance of Delay-Tolerant Routing Protocols in Underwater Networks
Apr 2011
The underwater acoustic channel features long and variable propagation delay, high bit error rate and limited bandwidth. Moreover, underwater mobile networks consisting of Autonomous Underwater...
Provided by University of Padova
-
White Papers
Auctions for Resource Allocation in Overlay Networks
Aug 2008
In recent years, many types of "Overlay" networks have been proposed for the Internet. These overlays include content delivery networks, peer-to-peer file sharing, some voice-over-IP services, and...
Provided by Universidad De La Republica
-
White Papers
Network Bandwidth Allocation Via Distributed Auctions With Time Reservations
Aug 2008
This paper explains the problem of allocating network capacity through periodic auctions. Motivated primarily by a service overlay architecture, the authors impose the following conditions: fully...
Provided by Universidad De La Republica
-
White Papers
Optimizing Revenue for Bandwidth Auctions Over Networks With Time Reservations
Mar 2011
This paper concerns the problem of allocating network capacity through periodic auctions, in which users submit bids for fixed amounts of end-to-end service. The authors seek a distributed...
Provided by Universidad De La Republica
-
White Papers
Traceband: A Fast, Low Overhead and Accurate Tool for Available Bandwidth Estimation and Monitoring
Oct 2009
Available bandwidth estimation techniques are being used in network monitoring and management tools to provide information about the utilization of the network and verify the compliance of service...
Provided by Reed Elsevier
-
White Papers
MPLS Automatic Bandwidth Allocation Via Adaptive Hysteresis
Nov 2010
MPLS automatic bandwidth allocation (or provisioning) refers to the process of dynamically updating the bandwidth allocation of a label switched path on the basis of actual aggregate traffic...
Provided by Reed Elsevier
-
White Papers
Design of a Sliding Window Scheme for Detecting High Packet-Rate Flows Via Random Packet Sampling
Dec 2010
The authors discuss the design of a sliding window scheme for detecting high packet-rate flows via random packet sampling. They determine the values of control parameters, such as the sampling...
Provided by Reed Elsevier
-
White Papers
On the Effect of Concurrent Applications in Bandwidth Measurement Speedometers
Dec 2010
Nowadays, operators are facing an increasing demand to ensure the committed bandwidth in broadband access links, both from customers and regulatory bodies. Usually, customers employ speedometers...
Provided by Reed Elsevier
-
White Papers
Distributed Recognition of Human Actions Using Wearable Motion Sensor Networks
Dec 2008
The authors propose a distributed recognition framework to classify continuous human actions using a low-bandwidth wearable motion sensor network, called Distributed Sparsity Classifier (DSC). The...
Provided by IOS Press
-
White Papers
Multiple-View Object Recognition in Band-Limited Distributed Camera Networks
Jul 2009
In this paper, the authors study the classical problem of object recognition in low-power, low-bandwidth distributed camera networks. The ability to perform robust object recognition is crucial...
Provided by University of California
-
White Papers
Irresponsible Forwarding
Oct 2008
In a self-organizing traffic information system, vehicles share and distribute the traffic information by rebroadcasting a received information packet to their neighbors. However, it is...
Provided by King Mongkut's Institute of Technology Ladkrabang
-
White Papers
Large Scale Probabilistic Available Bandwidth Estimation
Feb 2011
The common utilization-based definition of available bandwidth and many of the existing tools to estimate it suffer from several important weaknesses: most tools report a point estimate of average...
Provided by Reed Elsevier
-
White Papers
Taming the Elephants: New TCP Slow Start
Feb 2011
Standard slow start does not work well under large Bandwidth-Delay Product (BDP) networks. The authors find two reasons for this problem in three popular existing operating systems: Linux, FreeBSD...
Provided by Reed Elsevier
-
White Papers
Bandwidth Enhancement Techniques Comparison for Ultra Wideband Microstrip Antennas for Wireless Application
Jan 2012
Since the release by the Federal Communications Commission (FCC) of a bandwidth of 7.5GHz (from 3.1GHz to 10.6GHz) for Ultra-WideBand (UWB) wireless communications, UWB is rapidly advancing as a...
Provided by Journal of Theoretical and Applied Information Technology
-
White Papers
Optimized Data Broadcast Scheme Mobile Computing
Aug 2011
The rapid development of wireless communication technology and battery powered portable devices is making mobile information services increasingly popular. Since the bandwidth resource of wireless...
Provided by International Journal of Computer & Organization Trends(IJCOT)
-
White Papers
On Demand Connectivity Sharing: Queuing Management and Load Balancing for User-Provided Networks
Nov 2010
The authors introduce the concept of ''On demand connectivity sharing'', which they build on top of User-Provided Networks (UPNs). UPNs were recently proposed as a new connectivity paradigm,...
Provided by Reed Elsevier
-
White Papers
Block-Interlaced LDPC Decoders With Reduced Interconnect Complexity
Jul 2007
Two design techniques are proposed for high-throughput Low-Density Parity-Check (LDPC) decoders. A broadcasting technique mitigates routing congestion by reducing the total global wirelength. An...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Efficient Defence Against Misbehaving TCP Receiver DoS Attacks
Aug 2011
The congestion control algorithm of TCP relies on correct feedback from the receiver to determine the rate at which packets should be sent into the network. Hence, correct receiver feedback (in...
Provided by Reed Elsevier
-
White Papers
TCP Slow Start With Fair Share of Bandwidth
Aug 2011
The initial start-up performance of TCP largely depends on two parameters - ssthresh and cwnd. When these values are not accurate, TCP cannot utilize the bandwidth fully or may generate multiple...
Provided by Reed Elsevier
-
White Papers
Live Streaming of User Generated Videos: Workload Characterization and Content Delivery Architectures
Jul 2011
The authors are recently observing an increase in popularity of Web 2.0 applications offering users the possibility of transmitting their own live streaming media content. The considerable amount...
Provided by Reed Elsevier
-
White Papers
Bandwidth-Based Congestion Control for TCP: Measurement Noise-Aware Parameter Settings and Self-Induced Oscillation
Feb 2009
With increase in the heterogeneity and complexity of the Internet, many problems have emerged in the traditional TCP Reno. Against the problem, the authors have proposed a new bandwidth-based TCP...
Provided by Osaka University
-
White Papers
The Search for QoS in Data Networks: A Statistical Approach
Oct 2009
New Internet services like video on-demand, high definition IPTV, high definition video conferences and some real time applications have strong QoS requirements regarding losses, delay, jitter,...
Provided by Universidad De La Republica
-
White Papers
Traceband: A Fast, Low Overhead and Accurate Tool for Available Bandwidth Estimation and Monitoring
Oct 2009
Available bandwidth estimation techniques are being used in network monitoring and management tools to provide information about the utilization of the network and verify the compliance of service...
Provided by Reed Elsevier
-
White Papers
Optimizing Revenue for Bandwidth Auctions Over Networks With Time Reservations
Mar 2011
This paper concerns the problem of allocating network capacity through periodic auctions, in which users submit bids for fixed amounts of end-to-end service. The authors seek a distributed...
Provided by Universidad De La Republica
-
White Papers
Network Bandwidth Allocation Via Distributed Auctions With Time Reservations
Aug 2008
This paper explains the problem of allocating network capacity through periodic auctions. Motivated primarily by a service overlay architecture, the authors impose the following conditions: fully...
Provided by Universidad De La Republica
-
White Papers
Auctions for Resource Allocation in Overlay Networks
Aug 2008
In recent years, many types of "Overlay" networks have been proposed for the Internet. These overlays include content delivery networks, peer-to-peer file sharing, some voice-over-IP services, and...
Provided by Universidad De La Republica
-
White Papers
On the Performance of Delay-Tolerant Routing Protocols in Underwater Networks
Apr 2011
The underwater acoustic channel features long and variable propagation delay, high bit error rate and limited bandwidth. Moreover, underwater mobile networks consisting of Autonomous Underwater...
Provided by University of Padova
-
White Papers
Efficient and Reliable Power Line Communications Through Coding and Diversity Techniques
Oct 2009
Recognizing the resemblance of Power Line Communication (PLC) channels and the frequency-selective radio-frequency (RF) fading channels, this paper considers efficient and reliable PLC through the...
Provided by Lehigh University
-
White Papers
Future High Speed In-Vehicle PLC Networks
Oct 2009
This paper deals with Power Line Communication in vehicle (PLC). PLC is a very promising communication solution in order to offer future in-vehicle applications without increasing wiring...
Provided by CNRS
-
White Papers
A Flexible Reservation Algorithm for Advance Network Provisioning
Nov 2010
Many scientific applications need support from a communication infrastructure that provides predictable performance, which requires effective algorithms for bandwidth reservations. Network...
Provided by Lawrence Berkeley National Laboratory
-
White Papers
Transmitter Distribution for MIMO Visible Light Communication Systems
Jun 2011
In the future, buildings will be lit using solid state lighting, particularly white Light Emitting Diodes (LEDs). Solid state lighting is a rapidly expanding area of research due to the...
Provided by Northumbria University
-
White Papers
Efficient Bandwidth Measurements of Thin Film Filters for Next-Generation Optical Access
Jun 2011
The authors have measured differential group delay of thin film filters devices with 200 GHz and 100 GHz full width half maximum bandwidth employing method based on Jones Matrix Eigen-analysis and...
Provided by Liverpool John Moores University
-
White Papers
Redesigning Multi-Channel P2P Live Video Systems With View-Upload Decoupling
Jun 2010
In current multi-channel P2P live video systems, there are several fundamental performance problems including exceedingly-large channel switching delays, long playback lags, and poor performance...
Provided by Reed Elsevier
-
White Papers
Zone Indexing: Optimizing the Balance Between Searching and Indexing in a Loosely Structured Overlay
Jun 2010
While structured peer-to-peer systems are efficient in terms of overhead, they still lack the unstructured system's flexibility and ability to support a wide range of complex queries. This paper...
Provided by Reed Elsevier
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White Papers
Inline Bandwidth Measurement Techniques for Gigabit Networks
Jan 2008
The authors introduce an inline measurement method that can overcome difficulties in measurement task in high-speed network environment, such as short packet transmission intervals and Interrupt...
Provided by Inderscience Enterprises
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White Papers
Router Buffer Re-Sizing for Short-Lived TCP Flows
Jul 2007
Traditionally, the size of router buffers is determined by the bandwidth-delay product discipline (normal discipline), which is the product of the link bandwidth and average Round-Trip Time (RTT)...
Provided by Osaka University
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White Papers
Effectiveness of Overlay Routing Based on Delay and Bandwidth Information
Oct 2007
Recent research on overlay networks has revealed that user-perceived network performance, such as end-to-end delay performance, could be improved by an overlay routing mechanism. However, these...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Real-Time Bandwidth Encapsulation for IP/MPLS Protection Switching
Jun 2010
MPLS fast reroute achieves fast protection switching times ideal for the recovery of real-time multimedia traffic. The paper proposes to guarantee real-time protection of multimedia traffic by...
Provided by University of Cape Town
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White Papers
Multi-Radio Access Selection to Reduce Reorder Buffer Requirements in Heterogeneous Wireless Networks With Multi-Homed Mobile Terminals
Aug 2011
Aggregating bandwidth from multiple Radio Access Technologies (RATs) provides an opportunity for network providers to enhance network capacity. This is important for serving applications that...
Provided by University of Cape Town
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White Papers
Rainbow Fair Queueing: Fair Bandwidth Sharing Without Per-Flow State
Nov 2007
Fair bandwidth sharing at routers has several advantages, including protection of well-behaved flows and possible simplification of end-to-end congestion control mechanisms. Traditional mechanisms...
Provided by Georgia Institute of Technology
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White Papers
Investigating a Reduced Size Real-Time Transport Protocol for Low-Bandwidth Networks
Aug 2011
Optimization of bandwidth usage for video streaming is of paramount importance in networks where low bitrate links are typical. Among the solutions proposed to address this problem is header...
Provided by University of Cape Town
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White Papers
Towards Optimized QoS Based - Charging Model
Jun 2007
This paper proposes a pricing model for Differentiated Services (DiffServ) network. The service differentiation is modeled according to the guaranteed QoS level for each class. This model assumes...
Provided by Southern Africa Telecommunication Networks and Applications Conference
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White Papers
Improving XCP to Achieve Max - Min Fair Bandwidth Allocation
Aug 2009
TCP is prone to be inefficient and unstable in high-speed and long-latency networks. The eXplicit Control Protocol (XCP) is a new and promising protocol that outperforms TCP in terms of...
Provided by Reed Elsevier
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White Papers
Efficient Staircase Scheme With Seamless Channel Transition Mechanism
Sep 2009
Video applications require large amount of bandwidth and also storage space. The Fast Broadcasting (FB) scheme is one of the simplest schemes to provide video services, but it requires...
Provided by Reed Elsevier
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White Papers
A Bandwidth Allocation Algorithm for Multiuser OFDM Systems and Its Efficient Implementation
Dec 2007
This paper addresses the problem of efficient resource allocation for multiuser orthogonal frequency division multiplexing over frequency selective channels. For wideband applications, such as...
Provided by Institute of Electrical and Electronics Engineers
