Hi all, I want to build a MMORPG server, but IOCP is such a hard thing to implement Is there a high level network library that implements the IOCP socket model? thanks

A word of wisdom: If you believe that IOCP is hard to implement (it's actually very well documented and has good examples), then you will probably not have any chance of implementing an MMO server where the scalability of IOCP will become a concern. MMO systems are large, distributed systems, which is a class of system that is notoriously hard to get right, even for teams of people with tons of experience, who would not think IOCP is any particular kind of hurdle.

If you want to use a networking library in general, then the Forum FAQ has lots of suggestions.