Load Balancing with HAProxy: Open-source technology for better scalability, redundancy and availability in your IT infrastructure

HAProxy is a free and open-source load balancer that enables IT professionals to distribute TCP-based traffic across many backend servers. In this book, the reader will learn how to configure and leverage HAProxy for tasks that include:

* Setting up reverse proxies and load-balancing backend servers
* Choosing the appropriate load-balancing algorithm
* Matching requests against ACLs so that we can route them to the correct servers
* Monitoring servers with health checks so that failure is detected early
* Managing server persistence so that a client's can be directed to the server where their session data is stored
* Configuring verbose logging for TCP and HTTP-based services
* Enabling SSL encryption, gzip compression and geolocation
* Modifying HTTP headers, rewriting URLs and setting up redirects
* Defending against malicious Web activity
* Controlling HAProxy from the command line
* Adding a backup load balancer