Services hold key to cloud computing success
October 9, 2012
Grazed from InfoWorld. Author: David Linthicum.
Cloud computing is, at its core, a new take on an old model (timesharing) for consuming IT resources, but for many enterprises, it requires a new architecture based on services rather than apps. As cloud computing evolves, we’ll become more accustomed to viewing our tech needs through the prism of services, but right now, it’s a departure for many in enterprise IT as they move from single monolithic applications to collections of widely distributed services, cloud and otherwise.
Most cloud-based systems are sets of services hosted in remote sites, mixed and matched with internal systems to form a business application. Thus, the best way to measure utilization of cloud computing resources is to count services, not applications…
Take a simple inventory application: It may reside on a traditional database (such as Oracle) within the enterprise, while the services that process the data exist within Amazon EC2. Moreover, the user interface may live on a PaaS provider such as Google App Engine…
Read more from the source @ http://www.infoworld.com/d/cloud-computing/services-hold-key-cloud-computing-success-204300