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- Communication Performance Over a Gigabit Ethernet Network
- Cluster computing imposes heavy demands on the communication network. Gigabit Ethernet technology can provide the required bandwidth to meet these demands. However, it has also shifted the communication bottleneck from network media to protocol processing. This paper presents an overview of Gigabit Ethernet technology and study the end-to-end Gigabit Ethernet...
- Tags: Performance, Network, Gigabit Ethernet, Performances Graph, Ethernet, Network Technology, Networking
- White papers 2000-02-25
- Improving VPN Performance Over Multiple Access Links
- To improve the performance of VPN connections the paper investigates how the bandwidth of multiple access links can be aggregated with inverse multiplexing to create a single, higher capacity logical communication link. But achieving the maximum possible aggregated TCP throughput becomes extremely challenging if the underlying links either use different...
- Tags: Microsoft Access, George Mason University, VPNs, Network Security, Telecommunications, Networking, Security
- White papers 2008-06-13
- Network Performance Model for TCP/IP Based Cluster Computing
- A new communication model, called the PlogPT model, is proposed to predict communication performance in a commodity cluster where computing nodes communicate using TCP/IP. This model extends the PlogP model in order to consider the variation of bandwidth brought about by bottleneck links in network switches and the delay of...
- Tags: Network, Model, Cluster Computing, Tcp/Ip, Research & Development, Routers & Switches, Network Technology, Networking, Business Operations
- White papers 2007-08-03
- Optimal Routing of Dynamically Priced Network Services
- The use of dynamically priced network services was previously proposed to provide QoS guarantees within a network. End-to-end QoS can be achieved by concatenating several of these services from different ISPs. This paper considers the problem of a single ISP determining the optimal paths on which to route each service...
- Tags: Network, Network Service, Internet Service Provider, Internet Service Providers (ISPs), Internet
- White papers 2007-03-31
- A Time-Slot Leasing-Based QoS Routing Protocol Over Bluetooth WPANs
- This paper investigates a new efficient QoS routing protocol based on the time-slot leasing mechanism over Bluetooth WPANs. The ''transmission holding'' problem is incurred because the master node is the communication bottleneck for each slave-master-slave communication in Bluetooth. To alleviate this problem, a time-slot leasing scheme is adaptively incorporated into...
- Tags: QoS, Leasing, Capital Structures, Bluetooth, Finance, Wireless
- White papers 2005-09-10
- Improving XCP to Achieve Max-Min Fair Bandwidth Allocation
- TCP is shown to be inefficient and instable in high speed and long latency networks. The eXplicit Control Protocol XCP is a new and promising protocol that outperforms TCP in terms of efficiency, stability, queue size, and convergence speed. However, Low et al. recently discovered a weakness of XCP. In...
- Tags: Bandwidth, TCP, Allocation, University Of California, XCP, Tcp/Ip, Networking
- White papers 2007-02-27
- 10 tips for managing virtual teams
- Communicate, you bet!I agree with all the points but my greatest priority is communication. People may whine that they spend more time telling us what they are doing rather than doing it but everyone needs to know what everyone else is up to, when timetables are not in line...
- Tags: Canuckster, virtual team
- Discussion threads 2007-11-13
- TCP Self-Clocking
- The authors propose a simple queueing model for one or more TCP transfers sharing a bottleneck link and examine its behavior when the buffer at the bottleneck is large compared to the bandwidth-delay product. This model explains anomalies in measurements of HTTP transfers. This paper describes a self-clocking steady state...
- Tags: TCP, Tcp/Ip, Networking
- White papers 2007-01-01
- Mitigating the Gateway Bottleneck Via Transparent Cooperative Caching in Wireless Mesh Networks
- Wireless Mesh Networks WMNs have been proposed to provide cheap, easily deployable and robust Internet access. The dominant Internet-access traffic from clients causes a congestion bottleneck around the gateway, which can significantly limit the throughput of the WMN clients in accessing the Internet. This paper presents MeshCache, a transparent caching...
- Tags: Gateway Inc., Network, MeshCache, Mesh Networking, Wi-Fi, Wireless, Networking
- White papers
- TCP-Based Video Streaming Using Receiver-Driven Bandwidth Sharing
- This paper establishes the benefits of the proposed approach over standard TCP through Internet experiments involving a prototype for the Linux operating system. Furthermore, the paper demonstrates scenarios in which a client using the bandwidth control system may actually obtain better performance than TCP-friendly UDP streaming protocols. This causes the...
- Tags: Bandwidth, Streaming Video, TCP, University Of California, Tcp/Ip, Networking
- White papers 2007-01-01
- Analysis and Performance Evaluation of Optical Buffers
- How are future communication networks to cope with ever-increasing traffic demands? Currently, data (e.g. IP packets) handled in the back-bone network is transported optically, yet is switched electronically. Being a demanding and power-consuming process, current switches are becoming the bottleneck in the network. More recent techniques, such as Optical Packet...
- Tags: Performance, Network, Buffer, Performance Evaluation, Analysis, Performance Management, Team Management, Networking, Human Resources, Workforce Management, Management
- White papers 2008-01-01
- Solving the Hypervisor Network I/O Bottleneck: Solarflare Virtualization Acceleration
- With increased pressure on IT departments to do more with less, IT is turning to server virtualization to get the most out of their server platforms. The adoption of virtualization technology to address these business conditions in enterprise data centers has lead to improvements in scalability, manageability, and availability. Solarflare's...
- Tags: Hypervisor, I/O, Solarflare Communications, Solarflare, Virtualization, Storage Management, Utility Computing, Servers, Hardware, Storage
- White papers 2007-10-09
- small network - bottleneck?
- In a small network with a cable modem -> router -> switch configuration, is there a bottleneck because the switch to router is just a 100 GB port? Not sure if I'm wording this correctly. It seems like the switch would be limited to 100 GB maximum so that if...
- Tags: Routers & switches, Network technology, Cable, NETWORKING, thomasjamesr@..., router, network
- Discussion threads 2007-10-04
- IEEE 1394 (Firewire) Network
- I have a firewire network linking two computers between which I do large file transfers. One computer is connected to a Nikon 9000ED film scanner and the other is connected to an Epson Stylus Pro9600 wide format printer. The network is working great, but it seems to be causing communication...
- Tags: brianloewen@..., computer, FireWire, IEEE 1394, network, networking
- Q&A 2005-01-11
- Architecture of a Vehicle Communication Gateway for Media Independent Handover
- Communication within and from a vehicle is a key function for various vehicle applications, like telematics, logistics, and traffic control applications. This paper describes the flexible and extendable architecture of a vehicle communication gateway which acts as a central communication device embedded in the vehicle and managing the in-vehicle, inter-vehicle,...
- Tags: Gateway Inc., Aachen University, Media, Communication, Supply Chain, Internet, Manufacturing, Networking, Business Operations
- White papers 2006-08-30
- A Bandwidth Determination Method for IPv6-Based Networks
- Accurate measurement of bottleneck and available bandwidths in network paths is a problem that has intrigued researchers for years. Numerous tools and techniques have been developed to determine bottleneck and available bandwidths but none of these methods provide a simple solution that is accurate, efficient, and flexible. Such a solution...
- Tags: IPv6, Bandwidth, Network, Networking, Telecommunications
- White papers 2006-02-23
- Sata with IDE Sluggish
- I am new to SATA drives and to this forum, I have been impressed with the advice and support so I joined... I have purchased and attached a Maxtor 320 gb SATA drive to an ECS P4M800PRO-M - 2.66mhz Intel Duo, with a Quantum Fireball 30gb drive in placeand...
- Tags: RAM, aroques@..., windows, hardware, IDE
- Discussion threads 2007-02-15
- bluetooth communication
- i am working on my project ...thats an information dissemination system using blue tooth wireless communication please suggest me some of the research papers for how to establish bluetooth communication
- Tags: Wi-Fi, WIRELESS, hirakiani@..., Bluetooth
- Discussion threads 2007-08-28
- Avaya Case Study: The Homeserve Group
- The Homeserve Group is the United Kingdom's leading provider of home emergency solutions, with over three million customers and more than five million active policies throughout the U.K. With growth running at 30 percent a year, Homeserve GB Ltd. wanted to implement best-of-breed contact centre applications before its customer services...
- Tags: U.K., Avaya Inc., Homeserve Group, Product Marketing, Customer Relationship Management (CRM), Networking, Marketing, Enterprise Software, Software
- Case studies
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