[HTN News] Heavy Traffic
What Can You Do To Keep a Busy Site Responsive?
Would a Load Balancer Help?
After reading “load balancer,” you might be imagining a woman in a brightly colored gown walking down a sunlit street with an impossibly large wicker basket improbably balanced atop her head. Today, though, I want to tell you about a load balancer that you can use with your web site when it outgrows a single server. You might think that your site will never need more than one server but there are several scenarios in which it might. First, let’s talk about what a load balancer is and how it works. Then we will come back to the scenarios to talk about when load balancers can help you.
The people visiting your web site or, to be more precise, the computers which are requesting data from your web server, comprise a “load” on the server. Just as the grocery store has several check-out lanes, you might have several computers to handle the load. If you have several computers, you will also put a “load balancer” in front of them. The load balancer takes the traffic from the visitors and distributes it across the servers so as to optimize the performance of your site. The load balancer acts like the airport employee directing each traveler to the right security lane.
(more…)

