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Randy Bias

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Randy Bias's Blog There is a myth going around about virtualization and cloud computing. It’s expressed in a variety of ways, but the takeaway is always the same: “Public clouds are big virtual server clouds.” Sounds good, but untrue once you look under the covers. For good reason, since virtualization isn’t a panacea. Here’s the deal. Public clouds (IaaS, PaaS, or SaaS) are all multi-tenant. It’s a fundamental definition. Multi-tenancy is one of the core properties of any cloud. Whether it’s a cloud like GoGrid's, EC2, Google App Engine (GAE), or Salesforce.com (SFDC). Multi-tenancy is a mechanism whereby public cloud providers give customers cost efficiencies by aggregating capex at scale and providing it as a subscription service. Virtualization is just a multi-tenancy strategy. Virtualization as Multi-Tenant Solution That’s right. It’s only a multi-tenancy strateg... (more)

Cloud Computing: Understanding Infrastructure as a Service

Cloudcenters provide the same kinds of tools that all datacenter and server operators are already accustomed to, but with all the traditional advantages of cloud (i.e. self-service, pay-as-you-go, and scalability). Instead of creating completely new paradigms, cloudcenters are a methodology by which the customer can have a virtual datacenter hosted ‘in the sky.’ Amazon’s Web Services (AWS) is not the only way to build scalable Cloud Infrastructures. There are two emerging methodologies for constructing Infrastructure-as-a-Service (IaaS) AKA “Cloud Infrastructure Services”. The f... (more)