latency

Latest News

  • Ballmer says Microsoft betting on the cloud

    While the demonstration suffered from "4,700 miles of geographic latency," Atwell was able to display the experience in part.I get this experience that I am doing something social that is more than just playing games.
    05 March 2010
    Tags: Steve Ballmer • Playing • Games • Cloud Computing

  • LTE will improve latency as well as speed

    Attention has been focused on the higher speeds that will be offered by next generation LTE (Long-Term Evolution) mobile networks, but improved latency will be equally important to users, according to Nokia Siemens.
    03 March 2010
    Tags: Spokeswoman • Nokia • Latency • Generation • Gaming • Evolution

  • SAN accelerator appliance coming from FalconStor and Violin

    There are no other solutions on the market today that can yield as much performance enhancement out of a modest investment in a solid state tier of a virtualised SAN," Fadi Albatal, vice president of marketing for FalconStor, said in a statement…
    02 March 2010
    Tags: Gateway • Fibre Channel • Cache • Attached • Array • Appliance

  • IBM shows new server architecture at CeBIT

    IBM has developed a separate X-Architecture chip to reduce latency between memory and processor.By separating the memory and processor, systems will have access to a larger memory pool with better scalability which could help boost application…
    02 March 2010
    Tags: Reducing • Locked • Energy • Data Centres • Boost

  • CloudSwitch moves virtual apps to Amazon cloud

    But the goal of building hybrid clouds, in which computing resources are managed as one entity yet span internal data centers and public cloud services, is a difficult one to tackle, involving many different concerns such as IP addressing and…
    02 March 2010
    Tags: Virtual Machines • Virtualization • Vice President • Trial • Migration • Encrypted

  • Council switches to virtualised voice for savings

    Voice wasn't even on the table then as it was assumed that issues around supporting real-time apps would stop this happening," said NeilThe council addressed the problem of latency early on, as Neil needed to be satisfied that there were no…
    25 February 2010
    Tags: Virtualised • Route • Latency • Deployment • Council • Authority

Latest Features

  • Google Apps backup is ideal for small business

    Google gets some CYA (cover your "backside") protection to ensure it doesn't make headlines for losing customer data, and it can improve the service overall--reducing latency and improving overall performance by being able to retrieve data from…
    08 March 2010
    Tags: Productivity • Messaging • Elements • Disaster Recovery • Apps

  • Low power Ethernet boosts green networks

    That idea was abandoned, after much debate, in favor of defining LPI modes and mechanisms to switch rapidly between the full operating speed and the low-power idle mode.With this approach, the EEE standard will not only be able to improve the…
    04 March 2010
    Tags: Transmission • Savings • Metrics • Mechanisms • Idle • Efficiency

  • Is NAND flash about to hit a dead end?

    Higher bit error rates require more error correction code [ECC] in the flash memory to detect data errors and correct them.Traditional ECC, however, requires code redundancy and data read latency as the number of errors that must be corrected goes…
    05 February 2010
    Tags: Silicon • Medium • Flash Memory • Errors • Cell • Bits

  • Is NAND flash memory a dying technology?

    Higher bit error rates require more error correction code [ECC] in the flash memory to detect data errors and correct them.Traditional ECC, however, requires code redundancy and data read latency as the number of errors that must be corrected goes…
    04 February 2010
    Tags: Silicon • Programming • Mobile Devices • Medium • Cell • Bits

  • Amazon's cloud outage was a thriller

    It covers such things as bandwidth capacity, latency and data loss, then scores them overall.Jim Melvin, president of the privately held Apparent Networks, said his firm can continuously monitor network performance over WANs using technology it…
    14 December 2009
    Tags: Connectivity • Readers • Firms • Locations • Component • Forrester Research

  • The new shape of data centres

    Traditionally, data centres have been close to corporate offices, for latency reasons but increasingly there are issues around this. Industry veteran Mike Manos describes how the data centre of the future will look.
    09 December 2009
    Tags: Audience • Shape • Data Centres • Carbon • Interest • Governments

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How-Tos

  • What is cloud computing, and can it be trusted?

    For example, there's little reason to run a desktop disk defragmentation or systems analysis tool in the cloud, because you want the application sitting on the desktop, dedicated to the system with little to no latency, says Pund-IT analyst…
    16 November 2009
    Tags: Software Vendors • Infrastructures • Flexibility • Amazon • Latency • Cloud Computing

  • How to buy UTM products

    For example, the latest version of Astaro's Security Gateway product includes HTTPS Proxy Filtering, which allows users to filter and control secure web traffic and block programs that attempt to bypass security policy with SSL tunneling.Another…
    07 April 2009
    Tags: Implementing • Security Features • Centralised • Filter • Labs • Gateways

  • How to virtualise SQL Server

    Centralised storage helps reduce latency and increase throughputDisk Configuration OptionsYou can configure virtual machines with multiple virtual SCSI drives which appear to the virtual machine as a SCSI device attached to a SCSI adapter.You have…
    09 March 2009
    Tags: Virtual Machine • Utilisation • Mapping • Scsi • Sql Server • Raw

  • Case Study: UTM's weakness: a single point of failure

    Anti-virus, URL filters and the like are compute intensive, but much more tolerant of latency. Mixing the two classes of services on your network can slow down applications that are sensitive to latency, says South.The Case for UTMSan…
    25 March 2008
    Tags: Collect • Cio • South • Handles • Debate • Sounds

  • Case Study: All aboard for WAN acceleration

    Two luxury cruise lines faced the same satellite-delay challenges for shipboard Internet access and came up with different ways to address the unavoidable latency on those ship-to-shore connections and keep passengers happy.
    21 February 2008
    Tags: Admin • Lines • Optimisation • Satellite • Gear • Transfers

  • Understanding the value of unified comms

    Integrating communication functions directly into systems and applications individuals use is particularly effective at reducing human latency. The largest single value in UC lies in its ability to reduce human latency within corporate processes…
    10 January 2008
    Tags: Conferencing • Credit • Human • Communication • Channels • Request

Reviews

  • Dell PowerConnect 8024F review

    There's also a feature called iSCSI Optimisation, which purports to boost iSCSI traffic flowing through the switch by assigning iSCSI traffic to a non-default queue for lower latency and higher prioritisation.It should also be noted that Dell…
    04 March 2010
    Tags: Throughput • Packet • Iscsi • Gui • Console • Command

  • Cisco OTV review

    When databases fly In the demo I saw, Cisco used OTV to migrate a loaded SQL Server VM from one VMware ESX host to another over a simulated WAN, with the hosts residing at different data centers the equivalent of 400km apart (4ms latency).
    17 February 2010
    Tags: Table • Scenario • Extension • Ends • Data Center • Centers

  • Dell Precision M6500

    Memory latency is comparable to the desktop systems, but bandwidth is significantly faster on the M6500 due to the higher clock speed of the RAM. The notebook market is a strangely fragmented consolidation of different user needs and preferences…
    06 January 2010
    Tags: Adapter • Clock • Weight • Guidelines • Jack • Workstations

  • Novatel Wireless MiFi 2532 router review

    Coverage can be patchy with data rates and latency varying from reasonable to awful depending on where the user happens to be. Price: £220 (from free with contract) Up to now, mobile broadband users have been stuck with the awkward compromise of…
    27 October 2009
    Tags: Contract • Sharing • John Dunn • Branded • Hotspot • Slot

  • Thrane & Thrane Explorer 500

    I measured normal latency in the 1000ms to 1200ms range.Overall, data transmission was reliable and fast enough for most tasks. SSH sessions could become tedious due to the latency, but web browsing, instant messaging, and email were quite usable…
    14 October 2009
    Tags: Streaming • South • Aiming • Guarantee • Game

  • AMD and Intel budget chipsets

    First, I tested memory performance with CPU-Z, a utility that identifies processor, BIOS and chipset specifics, and tests various memory and CPU performance features.According to CPU-Z, the AMD system showed 47 nanoseconds of memory latency, while…
    17 September 2009
    Tags: Bus • Frames • Raw • Motherboard • Pci • Slot

White Papers

  • Best practices in optimising WAN performance

    Because they are remote, branch office employees must access these applications over a wide area network (WAN) that has significantly lower bandwidth and notably more latency than does the local area network (LAN) that the employees would use to…
    05 January 2009
    Tags: White Paper • Practices • Delivery • Wan • Framework • Facility

  • Back to Business: How Business Modeling Rationalises Data Warehousing

    Overly-complex designs were created, full of latency from too many layers and burdened with ongoing maintenance costs that exceed those of most operational systems.Today's business environment demands extreme measures to find efficiencies and to…
    22 October 2008
    Tags: Designs • Business Intelligence • Data Management • Storing • Latency • Assume

  • Laying the Groundwork for WiMAX

    The early trial indicated that WiMAX is on par with T1 technology in terms of the key network performance metrics: latency, jitter, throughput, and packet loss. AT&T is currently transitioning from a technical trial of early WiMAX access technology…
    28 September 2007
    Tags: Loss • Wimax • Trial • Equipment • Compliant • Dozen

  • Creating Efficient Data Centers with Service Oriented Infrastructure

    Increased requirements on bandwidth and latency performance and more granular service capabilities based on individual application needs have made networks more complex.As the pressure to reduce costs and increase capacities continues, the need…
    10 July 2007
    Tags: Environments • Requirements • Capacities • Centers • Pressure • Next Generation

  • BASIC CONCEPTS OF HSPA

    It also significantly reduces latency and provides peak data rates of up to 14 Mbit/s. WCDMA is evolving to enable higher bit-rates and throughput. The first step is to improve the downlink by introducing High Speed Downlink Packet Access (HSDPA).
    13 April 2007
    Tags: Enhanced • Rates • High Speed • Packet • Uplink • Downlink

  • Performance in Broadband Wireless Access Systems

    When it comes to BWA, performance is typically characterized in terms of how many Subscriber Modules (SMs) can be supported by a single Access Point (AP), how far can it go, how fast in terms of Mbits/sec, and what is the latency introduced in the…
    03 April 2007
    Tags: Access Point • Motorola • Sms • Numbers • Ap • Throughput

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