Where do you put a load balancer?

Great question! When it comes to placing a load balancer, there are a few key considerations to keep in mind. Typically, a load balancer is placed between the client-facing servers and the backend servers that handle the actual processing of requests. This allows the load balancer to distribute incoming traffic evenly across the backend servers, ensuring that no single server becomes overwhelmed with requests. One common placement for a load balancer is at the edge of the network, where it acts as a gateway between the internet and the internal servers. This approach allows the load balancer to intercept and distribute incoming traffic before it reaches the backend servers, reducing the load on those servers and improving overall performance. Another option is to place the load balancer within the internal network, closer to the backend servers. This approach can be useful in scenarios where the load balancer needs to perform more complex routing or filtering tasks, or when there are security concerns that require the load balancer to be physically separated from the internet. Ultimately, the placement of a load balancer will depend on the specific needs and architecture of the system it's being used in. It's important to carefully consider the pros and cons of each placement option and choose the one that best meets the requirements of the system.