Please remove me from this. ----- Original Message ----- From: "Simon Cope" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, May 30, 2002 12:45 AM Subject: RE: Image web server hardware caracteristics
> > > Hi list > > > > Can anybody tell me what would be the typicall hardware > > caracteristics for a > > Web Server with Image Web Server (Corporate Edition) that would be able to > > support efficiently something like 200 concurrent access. > > > > Or how should I calculate these caracteristics. > > > > thanks in advance. > > > > Nicolas > > Hello Nicholas, > > I understand the US office has contacted you directly regarding your query, > however for the benefit of other list members I will also reply here. > > We have recently created a paper titled "Accelerating WebGIS with Image Web > Server" which is available for download from the ER Mapper website at > http://www.ermapper.com/marktng/articles/pdf/Accelerating%20WebGIS%20with%20 > Image%20Web%20Server.pdf. The paper aims to demonstrate the numerous > advantages to utilising Image Web Server to accelerate a typical WebGIS/Map > Server solution. > > Included in the paper are benchmark figures for a low-end system, using > these results it is possible to extrapolate typical requirements for a range > of situations. > > For example, using the normalised results the test system required > approximately 16% of the test systems CPU resources to maintain a 1 second > response time to 50 simultanoues clients (ie, 50 clients receiving 100% > update of the view every second). Therefore, the same system could > potentially achieve a 1 second response time with 200-250 simultaneous > clients at 80% CPU (50 * 80 / 16 = 250). An equivalent system to this today > from a Tier-1 manufacturer such as Dell is approximately US$1,850. > > Regards > > -- > Simon > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > ^^^^^^^^ > Simon Cope, : e-mail: > [EMAIL PROTECTED] > Chief Technical Officer - : WWW: > http://www.ermapper.com > Internet Technologies, : Int'l Phone: +61 8 9388 2900 > Earth Resource Mapping Pty Ltd, : Int'l Fax: +61 8 9388 2901 > Level 2, 87 Colin St, West Perth. : Australia Phone: (08) 9388 2900 > Western Australia 6005 : Australia Fax: (08) 9388 2901 > > > Q: 1.2TB (1,200GB) Image over the Internet? > A: Image Web Server! > > http://www.earthetc.com > > ----------------------------------------------------------- > > To make changes to your subscription, please visit our website, http://www.ermapper.com/technicl/ermapperl/index.htm ----------------------------------------------------------- To make changes to your subscription, please visit our website, http://www.ermapper.com/technicl/ermapperl/index.htm
