them onto a single physical server. Demonstrations have shown that up to thirty-two applications can thus be consolidated using virtualization.
Cloud service providers can further improve service efficiency by pursuing opportunities for consolidation of network monitoring and analysis appliances.
From Passive Hosting to Active Provision of Services
Testing of cloud services—or, more specifically, service assurance, availability, and efficiency—will separate the amateurs from the professionals in the cloud service arena. The days of passively hosting virtual machines on a best-effort basis are gone. Assuring the availability of services using efficient infrastructure and active network monitoring and analysis will ensure that enterprise customers will never look back once they have moved to the cloud.