I've seen it 2 years ago. If I remember it right, Willy Tarreau was the author and it had ASCII graphics for network schema. It depicts step by step the configuration from one location and one server to 2 locations and 4 (or only 2) Haproxy servers.
Will be **very** glad if smb. can share a link to it. Aleksandr Vinokurov +7 (921) 982-21-43 @aleksandrvin

