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1Continuing Intermittent Incoherency » Comet: Low Latency Data for the Browser 8 Citations ????? server-side push hack????????? terms, blogmarks.net
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2 Citations Caching is the temporary storage of frequently accessed data in higher speed media (typically SRAM or RAM) for more efficient retrieval. Web caching stores frequently used objects closer to the client through browser, proxy, or server caches. By storing "fresh" objects closer to your users, you avoid round trips to the origin server, reducing bandwidth consumption, server load, and most importantly, latency. This article shows how to configure your Apache server for more efficient caching to save bandwidth and improve performance.
Caching is not just for static sites, even dynamic sites can benefit from caching. Graphics and multimedia typically don't change as frequently as (X)HTML files. Graphics that seldom change like logos, headers, and navigation can be given longer expiration times while resources that change more frequently like XHTML and XML files can be given shorter expiration times. By designing your site with caching in mind, you can target different classes of resources to give them different expiration times with only a few lines of code., blogmarks.net
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Latency is Everywhere and it Costs You Sales - How to Crush it | High Scalability 2 Citations
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1 Citation Your organization spends millions of dollars to drive market share and revenue growth. How are customers responding to your marketing strategy? Where and how are customers being influenced for ? or against ? your brands? What moves are competitors making to steal your market share? Do the right people have immediate access to this information so your organization can be responsive?
Today?s techniques for tracking market and competitive movement simply cannot keep up with the speed of your business. As a result, organizations miss significant opportunities to drive market share and customer growth because it takes too long to recognize material market events and take action.
There is a solution. KnowNow provides a powerful and unique solution that enables business responsiveness and agility by connecting executives and marketers with the exact brand, market, and competitor information they need, when and where they need it, as soon as it is published. KnowNow can help you turn an overwhelming explosion of unmanageable information into an organized, shareable, and actionable resource ? throughout your organization.
Benefits for Marketers
* Maximizes brand and competitive awareness
* Helps measure your share of voice in the market -- as well as competitors'
* Allows marketers to gain visibility into customer "conversations" that take place via the public Web (eg, blogs, discussion boards, etc.)
* Provides up-to-the-moment views into customers' brand sentiment and competitors' actions
* Decreases the latency between critical events and your focused response
* Increases your reaction time to affect customer loyalty and retention, blogmarks.net
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Optimizing Page Load Time - die.net 1 Citation While working on optimizing page load times for a high-profile AJAX application, I had a chance to investigate how much I could reduce latency due to external objects. Specifically, I looked into how the HTTP client implementation in common browsers and characteristics of common Internet connections affect page load time for pages with many small objects., blogmarks.net
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Servlet Performance Report: Comparing Apache Tomcat Performance Across Platforms 1 Citation This first part of this article measures performance information in order to distinguish the differences evident between the Windows® and Linux platforms. We find that given comparable hardware the performance differences introduced are almost trivial. When the server was pressed to capacity, our Windows installation was forced turn away some traffic with minimal alteration in serviced performance, whereas our Linux installation elected to service nearly all connections at the cost of introducing latency. However, prior to reaching capacity, our Linux server appeared on average to be capable of servicing connections at a slightly faster rate than our Windows server., blogmarks.net
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Memory Bandwidth vs. Latency Timings - PCStats.com 1 Citation
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XMLHttpRequest - So Close and yet So Far 1 Citation XMLHttpRequest - So Close and yet So Far : how a simple change to AJAX makes Comet unnessecary, drastically reduces bandwidth and latency, fixes the bidirectionality problem and allows HTML interfaces to snap to non-web services, blogmarks.net
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1 Citation CobWeb is a next-generation content distribution network that can deliver web pages quickly to clients through a peer-to-peer cache. It uses the Beehive replication framework to provide a high performance web hosting service while consuming near-minimal storage and bandwidth at each participating node.
CobWeb operates as a ring of cooperative caching proxy servers, each of which is capable of serving any HTTP request. When web objects are requested, they are fetched from their origin servers and inserted into the system. Through an analysis of web object popularity, size, and update rate, CobWeb then computes an optimal replication strategy for each object to provide low lookup latency.
CobWeb is available for public use. On the server side, directing HTTP requests from your servers to CobWeb can reduce bandwidth demand on your servers, protect against flash crowds, and help alleviate denial of service attacks. On the client side, directing HTTP requests from your browser through CobWeb will speed up web surfing., blogmarks.net
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Monitoring Network Latency With Smokeping (Debian Etch) | HowtoForge - Linux Howtos and Tutorials 1 Citation This guide shows how to install and configure Smokeping on Debian Etch to monitor network latency. From the Smokeping web site: "SmokePing is a deluxe latency measurement tool. It can measure, store and display latency, latency distribution and packet loss. SmokePing uses RRDtool to maintain a longterm data-store and to draw pretty graphs, giving up to the minute information on the state of each network connection.", blogmarks.net
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