Is redirection related packet supported or in the plan

[lichuang]

like this blog said:

http://xtzgzorex.wordpress.com/2010/05/01/wow-3-3-3a-new-battle-net-redirection/

I have seen redirect client related packet such as SMSG_REDIRECT_CLIENT in the source(see WorldSession::SendRedirectClient function), but have not found where and how these packets worked.

I wonder if these related packet will be hack in the mangos plan?

Thanks!