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Solid State Disk Solutions - Web File Sharing

The rapid adoption of the Internet as a favored means for accessing information has led to enormous demands on application infrastructures.

Companies and public sector organizations alike have responded by offering a plethora of services and products over the Internet.  The availability of useful information has only reinforced the trend toward more Internet access.

Users accessing information over the World Wide Web or even via corporate Intranets used to be pretty understanding when it came to delays.  It was reasonable to expect that performance problems were caused by the modem connection.  However, the number of people surfing through high bandwidth DSL, Cable Modem or WAN connections has sky-rocketed.  These savvy users will not wait more than a few seconds for their clicks to be answered.  Internet latencies account for some of the delays that these users experience, however, many delays are caused by equipment inside the firewall.   In fact, a Keynote study entitled "A Performance Analysis of 40 e-Business Web Sites", found that the major difference between the performance of these sites was differences between download times (or the gap between when a document was requested and when it was delivered).  The sites with the worst performance had by far the worst content download times.  For the bottom performers content download time was four times as slow as the top performers.  The Keynote study isolated the individual components that cause delays in Internet access.  In other words, the download delays are not caused by Internet latencies.  

Because companies are consistently monitoring performance from industry leading web sites, there is a lot of pressure to offer the best possible response times.  Another result from the previously identified Keynote study is that the amount and type of content on the page had a measurable impact on response time.  Therefore, companies that are seeking to maximize response time are minimizing content.  In the perfect world, it would be possible to achieve both of these objectives:  rich content and rapid content delivery.  The RamSan systems enable this by removing storage bottlenecks and delivering content as rapidly as possible from inside the firewall.

Download times are strongly influenced by the web server infrastructure.  As most companies have a handle on their server infrastructure, storage can often be isolated as the primary cause of download latencies.

Unfortunately, the burgeoning web infrastructure is also impacting the efficiency of IT shops.  With web server farms frequently consisting of tens of servers, manageability becomes a real issue.  One of the primary concerns is managing version control.  In the typical web server farm, web content is stored locally on each server.  When content needs to be updated, it is usually completed server by server.  This process introduces the possibility of error in the update, can result in web content being out-of-synch between servers, and requires human intervention to monitor.

The solution is to move web content to a RamSan system.  Web content tends to be composed of a large number of very small files.  The best way to use the RamSan for web content is in coordination with SAN file sharing software or to put the RamSan behind a NAS filer.  The File Sharing White Paper provides an excellent description of the approach needed to share the RamSan in order to serve web content.

By storing web content on the RamSan, web content download times can be substantially reduced, richer web content can be delivered, fewer web servers can be used and TCO can be lowered.  Because the web content is stored in memory accesses to data occur in microseconds.  Additionally, the RamSan performance is not impacted if the number of users scale upward.  RamSan systems can easily handle concurrent users.  Because a traditional limitation on web content has been the effect on download times, enterprises have had to compromise quantity and quality of content in order to get performance.  The RamSan changes the paradigm and allows rich web content to be delivered at incredibly high speeds.  Centralizing storage on a fast solid state disk will also improve the efficiency of the web servers and their processors.  Efficiency is improved because I/O wait time is eliminated on the servers; therefore they can spend more time processing user requests.  A job that previously required 20 servers may be able to be accomplished with less servers.  Finally, the RamSan helps lower TCO by offering a low cost way to centralize web content storage.  Fewer servers need to be purchased and operated.  System manageability increases because storage content is centralized.  Web content updates can be made to one central location without taking down any servers.

Other Applications

The RamSan is perfect for a number of other applications.  We are working with companies on applications ranging from:

  • Data Acquisition
  • Data Modeling and Simulation
  • Non-Linear Video Editing
  • Seismic Processing
  • High-Definition Video Playback
  • E-mail Acceleration
  • Data Warehouses

If you do not see your application listed, please contact Texas Memory Systems and we will be happy to discuss options for implementing the "World's Fastest Storage™".

The Performance Gap
Database Storage
Web File Sharing
Video on Demand
Identifying Hot Files

Industry Solutions
Financial Services

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Texas Memory Systems Sales - Call (713) 266-3200

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