There's a lot that goes into it, that someone who's a network admin may be able to explain better but....
You may have a dedicated "virtual server" which uses something like VMWare to create virtual boxes, isolated instances of the operating system, on the same machine. Each network card can support up to 5 ip's and the physical box can support up to 5 network cards (this is all according to Micro$oft, Linux may be different. There's a ceiling on how many virtual instances you can create based on the amount of memory in the box. As this ceiling gets close performance can degrade. Hope this helps -- Scott Stewart ColdFusion Developer SSTWebworks 4405 Oakshyre Way Raleigh, NC. 27616 (703) 220-2835 http://www.sstwebworks.com http://www.linkedin.com/in/sstwebworks -----Original Message----- From: NUGROHO NOTO [mailto:[EMAIL PROTECTED] Sent: Friday, September 21, 2007 12:51 PM To: CF-Talk Subject: Re: Coldfusion hosting question. Thanks. Are these "USING HOST HEADERS" are common practice as a hosting company ? My server is dedicated server...not shared hosting. Are these host headers caused the slowness ? If yes.. then...what should I complain to the hosting company ? Thanks again for explaining to me. >Sounds like their using host headers, which would redirect to a directory >based on the domain passed in the host header. This allows for multiple >domains on the same IP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Get involved in the latest ColdFusion discussions, product development sharing, and articles on the Adobe Labs wiki. http://labs/adobe.com/wiki/index.php/ColdFusion_8 Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:289108 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4