Topology and security. Two great points.
I've been bitching about not having intra-server comm since day one. I could never convince conitect that this was a worthwhile feature and hence our work arounds.
And I remember the Glider incident all to well and was disappointed with teh concern for security Conitec gave. It's like they KNOW that no MP application will ever be made commercial and thus don't worry about it.
These are great points Ex and I will give them lot's of thought.
I personally think the security issue is the biggest problem. The biggest problem with my 3DGS design now is the single point of failure on the true server. It goes down and that is that... there is nothing to do but reset and reboot. Having said that, any topological solution such as shards and instances and load balancing etc can be done right now.
Your zoneing issue is not a problem with us. I'll whip up a drawing to further fuel discussion
(oh and BTW, off topic? off topic? We SET the topic mo-fos!

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