Networking
Load Balancing
The Power of Two Choices
At its core, load balancing is about efficiently distributing network or application traffic across multiple servers. This ensures reliability and high availability.
A powerful algorithm is the “Power of Two Choices.”
Instead of analyzing the entire network, it randomly picks only two servers (no matter how many servers you are load balancing) and assigns the task to the less loaded one.
This method is straightforward yet effective, reducing the time and computational resources needed for load balancing.
It surprisingly leads to a more even distribution of load compared to more complex algorithms.
As networks grow, the Power of Two Choices scales well, maintaining its efficiency.
This approach is applied in cloud computing, content delivery networks, and large-scale web services.
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