I've seen this kind of middleware come through several times. It's a hard sell because MMOs are already big productions and this stuff, while technically very c

I've seen this kind of middleware come through several times. It's a hard sell because MMOs are already big productions and this stuff, while technically very challenging, only captures a single bullet point feature: "world is seamless and persistent." And from the player POV, that is cool, but not I'll Buy That cool, especially when scale ends up creating all sorts of other design problems(more players and bigger worlds = more potential for chaos, harder UX).