Jian Zhen, CISM, CISSP, is the Director of Cloud Solutions at VMware. He is responsible for working with the world’s largest service providers to design cloud infrastructures and platforms, and creating partner ecosystems for the clouds. Previously, he was the VP of Emerging Technologies at LogLogic, the log management and intelligence leader in San Jose, Calif. At LogLogic, he was responsible for the overall vision and strategy of LogLogic’s product lines. Prior to joining LogLogic, he was responsible for developing the Managed Security Services infrastructure for Exodus/Savvis. During his 12+ years career in the information security field, he has performed audits for many Fortune 1000 companies as an IT auditor with Ernst & Young and Charles Schwab. In his spare time, Jian also writes a variety of topics covering cloud computing, IT security, intellectual property protection, and managed services. You can also find him on 
In the past month or so I have talked to a lot of people in the cloud computing and virtualization space. Many of these folks are working at/on startups that solves one of the many challenges for Enterprise cloud computing. What are these challenges? I have tried to summarize them here...Nov. 16, 2008 09:30 AM EST Reads: 11,392 Replies: 2
The world of clouds these days is full of definitions and counter-definitions. There are many posts that try to define the concept of cloud computing; many that try to distinguish utility computing, grid computing and cloud computing; many that try to define public vs private clouds; a...
Platform-as-a-Service (PaaS) is one of the buzzwords that’s mentioned often in the cloud computing space. In short, PaaS is a platform for delivering applications, similar to a pre-built system with hardware, OS and application stack all built in. In the PaaS case, this system is hoste...
