Sponsored White Papers, Webcasts, and Downloads
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- Playout Buffer and Rate Optimization for Streaming Over IEEE 802.11 Wireless Networks
- Most streaming rate selection and buffer optimization algorithms are developed for wired networks and can perform poorly over wireless networks. WirelessMAClayer behavior, such as rate adaptation, retransmissions, and medium sharing, can significantly degrade the effectiveness of current streaming algorithms. This paper presents the Buffer and Rate Optimization for Streaming BROS...
- Tags: Algorithm, IEEE 802.11, Optimization, Network, Association For Computing Machinery, Wireless Network, BROS, Engineering, Wi-Fi, Wireless And Mobility
- White papers 2009-08-01
- IP Video System Design Tool 5.4.315 (Windows)
- This software tool is made to help people in their IP Video system design. The software gives an estimation of the required network bandwidth and HDD storage space for video archives. You can calculate the lens focal length and find the best camera positions in seconds. You can export your...
- Tags: Network, IP Video, IP, Calculation, Microsoft Windows, Camera, Tool, JVSG, Storage, Telecommunications, Networking, Hardware
- Software downloads 2009-07-05
- Egnyte: using and sustaining Enterprise 2.0
- Egnyte, in a nutshell, is a software as a service, cloud storage application. But it's a lot more than just that. It feels like your online home of files, storage and where you put your valuables. Egnyte started out because the small business, which is...
- Tags: Apple iPhone, On-demand, Server, Enterprise 2.0, Egnyte, Backup Facility, Storage, Backups, Hardware, Zack Whittaker
- Blog posts 2008-10-13
- Control System for Internet Bandwidth Based on Java Technology
- This paper presents a Java-based real-time Internet access estimation tool for Quality of Service QoS in Internet accesses for Multimedia applications JEQoSIM. It is specially aimed for real-time multimedia applications which use the User Datagram Protocol UDP. The system is capable of estimating access capacity, available bandwidth and delay as...
- Tags: Multimedia, Bandwidth, QoS, Internet, Java, Server, UDP, Java Technology, Networking
- White papers 2008-07-07
- A Two-Tiered On-Line Server-Side Bandwidth Reservation Framework for the Real-Time Delivery of Multiple Video Streams
- The advent of virtualization and cloud computing technologies necessitates the development of effective mechanisms for the estimation and reservation of resources needed by content providers to deliver large numbers of Video-On-Demand VOD streams through the cloud. Unfortunately, capacity planning for the QoS-constrained delivery of a large number of VOD streams...
- Tags: Reservation, VoD, Boston University, Video, Video Stream, Video On Demand (VoD), Tv & Home Theater, Broadband Internet, Digital Media, Cloud Computing, Personal Technology, Home Entertainment, Telecommunications, Consumer Electronics
- White papers 2008-07-01
- Achievable Bandwidth Estimation for Stations in Multi-Rate IEEE 802.11 WLAN Cells
- This paper analyzes the effect of multi-rate transmissions in a CSMA wireless LAN environment. Observations in a real testbed showed that bandwidth resources (in Bytes/s) are shared fairly among all stations even though transmissions carried out at lower rates capture the medium for longer periods, which drastically reduces the overall...
- Tags: Station, Transmission, Cell, Wireless LANs, Wi-Fi, Wireless And Mobility
- White papers 2008-06-18
- A Two-Stage Plug-in Bandwidth Selection and Its Implementation for Covariance Estimation
- The two most popular bandwidth choice rules for kernel HAC estimation have been proposed by Andrews (1991) and Newey and West (1994). This paper suggests an alternative approach that estimates an unknown quantity in the optimal bandwidth for the HAC estimator called normalized curvature using a general class of kernels,...
- Tags: Bandwidth, Kernel, Concordia University
- White papers 2008-06-01
- Measuring End-to-End Bandwidth With Iperf Using Web100
- End-to-end bandwidth estimation tools like Iperf though fairly accurate are intrusive. This paper describes how with an instrumented TCP stack (Web100), one can estimate the end-to-end bandwidth accurately, while consuming significantly less network bandwidth and time. The paper modified Iperf to use Web100 to detect the end of slow-start and...
- Tags: Bandwidth, Network, Stanford University, Tcp/Ip, Networking
- White papers 2008-01-01
- pathChirp: Efficient Available Bandwidth Estimation for Network Paths
- This paper presents pathChirp, a new active probing tool for estimating the available bandwidth on a communication network path. Based on the concept of "Self-induced congestion," pathChirp features an exponential flight pattern of probes one calls a chirp. Packet chips offer several significant advantages over current probing schemes based on...
- Tags: Rice University, Bandwidth, Network, pathChirp, Networking
- White papers 2008-01-01
- ABwE: A Practical Approach to Available Bandwidth Estimation
- This paper reports on a new tool developed for monitoring available bandwidth in the range from several Mbps to 1000 Mbps. The tool is based on the packet pair dispersion technique. It has been in experimental use at SLAC for several months and it has been demonstrated at iGrid2002 and...
- Tags: Stanford University, Monitoring, Mbps, Productivity
- White papers 2008-01-01
- Path Selection Using Available Bandwidth Estimation in Overlay-Based Video Streaming
- IP networks present a challenging environment for video streaming because they do not provide throughput, jitter, or loss rate guarantees. This paper focuses on improving the perceived quality of video streaming through dynamic path selection. Selecting one of several Internet paths is possible using multihoming and/or an overlay routing infrastructure....
- Tags: Streaming Video, Path Selection, Web Site Development, Web Technology, Digital Video, Internet, Personal Technology
- White papers 2008-01-01
- A Bayesian Approach to Bandwidth Selection for Multivariate Kernel Regression With an Application to State-Price Density Estimation
- Multivariate kernel regression is an important tool for investigating the relationship between a response and a set of explanatory variables. It is generally accepted that the performance of a kernel regression estimator largely depends on the choice of bandwidth rather than the kernel function. This nonparametric technique has been employed...
- Tags: Bandwidth, Bayesian, Multivariate Kernel Regression, Kernel Regression
- White papers 2007-11-01
- Quality-of-Service Class Specific Traffic Matrices in IP/MPLS
- This paper considers the problem of determining traffic matrices for end-to-end demands in an IP/MPLS network that supports multiple Quality of Service QoS classes. More precisely, the paper wants to determine the set of traffic matrices Ti for each QoS class i separately. Ti contains average bandwidth levels for QoS...
- Tags: QoS, MPLS, Class, IP, Network Technology, Networking
- White papers 2007-10-26
- Estimation of RTT and Bandwidth for Congestion Control Applications in Communication Networks
- Heterogeneous communication networks with their variety of application demands, uncertain time-varying traffic load, and mixture of wired and wireless links pose several challenging problem in modeling and control. This paper focuses on the Round-Trip Time RTT, which is a particularly important variable for efficient end-to-end congestion control, and on bandwidth...
- Tags: Estimation, Algorithm, Congestion Control, Bandwidth, Network, RTT, Engineering, Networking
- White papers 2007-08-04
- Verizon's fiber-optic payoff
- Verizon's fiber-optic payoffFIOS vs Cablevision Optimum service on LII recently made the switch to FIOS. Basic 'CABLE' channels are clearer on FIOS than Cablevision; HD is HD. Biggest difference is in the usability of the "boxes". Cablevision's boxes were a lot easier to use to scan what's...
- Tags: Network technology, DSL, Cable, Fiber optics, Broadband Internet, TELECOMMUNICATIONS, BIGGEST DIFFERENCE, fiber-optics, Cablevision Systems Corp., Fios, Verizon Communications Inc., AT&T Corp.
- Discussion threads 2007-06-25
- On the Use of Accounting Data for QoS-Aware IP Network Planning
- This paper presents an economically efficient framework for provision of essential input for QoS-aware IP network planning. Firstly, the paper defines a process for reuse of network accounting data for construction of a QoS-aware network demand matrix. Secondly, the paper defines a process for estimation of QoS-related effective bandwidth coefficients...
- Tags: Accounting, QoS, Network
- White papers 2007-02-27
- A Min-Plus System Interpretation of Bandwidth Estimation
- Significant research has been dedicated to methods that estimate the available bandwidth in a network from traffic measurements. While estimation methods abound, less progress has been made on achieving a foundational understanding of the bandwidth estimation problem. This paper develops a min-plus system theoretic formulation of bandwidth estimation. The paper...
- Tags: Network, University Of Toronto, Networking
- White papers 2007-01-17
- TCP Westwood: Bandwidth Estimation for Enhanced Transport Over Wireless Links
- TCP Westwood TCPW is a sender-side modification of the TCP congestion window algorithm that improves upon the performance of TCP Reno in wired as well as wireless networks. The improvement is most significant in wireless networks with lossy links, since TCP Westwood relies on end-to-end bandwidth estimation to discriminate the...
- Tags: Wireless Link, TCP, Wireless, Tcp/Ip, Networking
- White papers 2007-01-01
- Laboratory-Based Calibration of Available Bandwidth Estimation Tools
- Examining the validity or accuracy of proposed available bandwidth estimation tools remains a challenging problem. A common approach consists of evaluating a newly developed tool using a combination of simple ns-type simulations and feasible experiments in situ (i.e., using parts of the actual Internet). This paper argues that this strategy...
- Tags: Tool, University Of Wisconsin-Madison, Productivity
- White papers 2006-11-14
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When you transition from your existing Red Hat environment to SUSE Linux Enterprise from Novell, you can recognize dramatic cost savings, perhaps as much 50%
