A great Q&A about long-distance vMotion, stretched HA clusters, and such by Ivan Pepelnjak. Ivan’s a networking expert, but he has gone deeper into the various VM-over-distance technologies than anyone I know. Just go read it: Long-Distance vMotion, Stretched HA Clusters and Business Needs
About the author
Stephen Foskett is an active participant in the world of enterprise information technology, currently focusing on enterprise storage, server virtualization, networking, and cloud computing. He organizes the popular Tech Field Day event series for Gestalt IT and runs Foskett Services. A long-time voice in the storage industry, Stephen has authored numerous articles for industry publications, and is a popular presenter at industry events. He can be found online at TechFieldDay.com, blog.FoskettS.net, and on Twitter at @SFoskett.