Several years ago I was working at a company that had a ton of legacy silo applications that collectively represented the entire process flow that supported the core business. The process flow was made up of years and years of legacy technologies and legacy business processes.
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Moving Past the OpenStack API Debate
There has been a great deal of passionate debate over the last few months within the OpenStack community. There is one camp that is advocating for building APIs that are compatible with Amazon Web Services (AWS) APIs, while the other camp argues for augmenting the existing OpenStack APIs. Those in favor of making the APIs …
Security Questions from VMworld 2013
While at VMworld 2013, I started to ask 5 security questions that have been bothering me for some time now. Some of these questions apparently have no answers currently and others only have operational answers, no technology. Security of a secure hybrid cloud is a mix of procedures, policies, operations, and technology. These questions are about various aspects of virtual and cloud environments that have been nagging at me for some time now as well as problems I have faced managing our own cloud instances. Perhaps you have questions you would like to add to the list, if so please share.
VMware NSX Conversations
At VMworld 2013 and on the Virtualization Security Podcast there were many conversations about VMware NSX. These conversations ranged from how will we implement this new technology to security, scale, and other technical questions. In addition, NSX and what was needed to make it a reality may be the answer to a nagging security question. Brad Hedlund, from the VMware NSX team, joined the Virtualization Security Podcast to share with us some of the details around VMware NSX prior to the podcast.
Antifragile Systems: Designing for Agility vs. Stability
For many years, the focus in IT has been on building robust systems that invested heavily in avoiding failures. To accomplish this goal, methodical processes were implemented to guide IT through a list of known use cases so that systems could try to avoid failing and have a plan for recovery if a failure did …
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Caching your Application, OS, or Storage
There is a new set of tools available for Caching up and down the stack which we covered within Caching through out the Stack, however in reality where is the best place to cache data for your application and what are the ramifications of using such a cache. Recently, we had a caching problem, actually two of them. Both caused by the same thing, a lack of full understanding about what was being cached. For any application, the best way to cache is to cache in memory as close to the application stack as possible, which in our stack could be within the application, the OS, or even a hypervisor based disk cache. However, which does your application actually use?