I just posted a short high-level intro on VNICs, FYI http://blogs.sun.com/roller/page/droux?entry=crossbow_nic_virtualization I''m still hoping to collect this information in a single design document someday :-) Until that''s available I will try to publish bits and pieces through blog entries... -- Nicolas Droux, Solaris Kernel Networking Sun Microsystems, Inc. http://blogs.sun.com/droux