Blog Archives

IaaS and PaaS: From Software to Service and Back

We’ve come to think of Infrastructure-as-a-Service and Platform-as-a-Service as, well, services. Pay for IaaS, and a vendor makes servers available in the cloud. Think Amazon’s AWS. Pay for PaaS, and a vendor makes available a grid of application servers. Think

Posted in Cloud Computing

Cloud Foundry: Making the Cloud Extensible

At the Silicon Valley Cloud Computing meet-up this past weekend, Ezra Zygmuntowicz, a co-creator of Cloud Foundry at VMware, stood before a white board and walked the group through the Cloud Foundry architecture. And while it’s fresh in my mind,

Posted in Cloud Computing

Old Wine, New Bottle: Transactions and Garbage Collection in the Cloud

Last night, Gil Tene, CTO of Azul Systems, and Tom Henn, CEO of CloudTran, spoke at the SDForum’s Cloud Computing and Virtualization SIG, addressing old themes in computer science that take on new meaning in the cloud. Tene pointed out

Posted in Cloud Computing

IT after the Flood

Cloud computing darkens the sky. Rain shall fail. A flood shall rage. And IT as we know it shall be wiped from the earth. No, I don’t see that happening. Despite the apparent fears of many in IT, I don’t

Posted in Cloud Computing

Platform-as-a-Service: Liberation from System Administrators

After finishing my prior post on Software-as-a-Service (SaaS) and Platform-as-a-Service (PaaS), I realized I perhaps misused the acronym PaaS. I described Salesforce.com, or what Salesforce.com markets as Force.com, as PaaS. While Force.com is a platform sold as a service, it

Posted in Cloud Computing

Does SaaS-PaaS=ASP?

In the 1990s, analysts proclaimed ASP the future of software. Application Service Providers offered software over the Internet, a revolutionary model that would take over the industry. Unfortunately, customers insist on modifying their enterprise applications, preferring to make the software

Posted in Cloud Computing, Salesforce, SAP

The Contextual Value of Cloud Computing

Businesses stand to benefit financially from cloud computing in several ways, but the actual value in each case depends on the circumstances. Cost Reduction: Many assume that cloud computing reduces cost, and it might, but this assumption requires verification. Outsourcing

Posted in Cloud Computing