Webfarms: The Only Way To Host!Networks can be configured to be so incredibly redundant now - for reasonable prices - that there is no excuse for a data center not to achieve five nines (99.999%) of availability.
But what about the servers and applications? Why spend so much time up front configuring the network to make sure it doesn't fail, and then deploy an application to a single server?
Sure, there are ways to make sure individual servers have some redundancy to minimize failures -- things like RAID1, RAID5, or RAID10 (redundant array of inexpensive disks) which will protect against a disk drive failure (and I highly recommend this type of configuration for all production servers - and preferably the use of hardware RAID vs. software RAID). But what happens if a file gets corrupt on the RAID array? Or a recent configuration change brings the application down? Or a newly released patch conflicts with other settings and causes problems? Well, in these situations the server will go down and the application(s) hosted on that server will be offline.
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Is Your Web Site Held Hostage By Service Providers?Do you use third-party services to track the links on your Web site? What about for processing your online credit card payments? If so, you are probably losing sales that you don't even know about. Sorry, but it's a fact.
Third-Party Services Defined.
Let me explain what I mean by "third-party" services. These are the "link tracking" type of services that one can purchase from various online companies. People use the special html link codes that these services provide to keep track of how visitors move around their Web sites. In return for a monthly fee, the user gets online access to a Web site that stores their link tracking information on a database, and gives them access to tracking statistics. This allows users to quickly and easily find out such things as which links visitors to their Web sites click on, and how often.
But, it's not just link tracking services I'm talking about here. Payment processing gateways is another type of third- party service that many of us are dependent upon.
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