Forbes Guthrie, VCP, is a systems engineer and infrastructure architect who specializes in virtualization and storage technologies. He is also a VMware vExpert and the creator of several popular virtualization reference cards. Forbes blogs at www.vReference.com.

Scott Lowe, VCDX 39, is VMware-Cisco Solutions Principal at EMC. Scott is a VMware vExpert and author of two other books on VMware vSphere, including the bestselling Mastering VMware vSphere 4. Scott also writes at blog.scottlowe.org, which attracts thousands of visitors daily.

Maish Saidel-Keesing, VCP, is a systems virtualization architect at NDS, where his responsibilities involve virtualization architecture design, maintenance, and development for both Linux and Windows infrastructures. He is a VMware vExpert, contributes to SearchServerVirtualization.com, and blogs at technodrone.blogspot.com.