Abstract:
A provisioning management apparatus for a cloud data center collects cloud resource information including at least resource form information and performance measurement information of a cloud, determines a present resource state of the cloud data center using the collected cloud resource information, calculates a theoretical optimal resource reservation based on the present resource state, configures a resource of the cloud data center when the theoretical optimal resource reservation accepts a user request, and verifies the resource configuration.
Abstract:
In a multi-cloud environment including a plurality of cloud systems, an apparatus, that is, a cloud brokering apparatus, obtains data streamed from the cloud systems and converts the obtained data into a predetermined format. The cloud brokering apparatus performs analysis which includes determining whether a fault occurs and whether an agreed service level for the normalized data is satisfied, and provides the analyzed data to a management system of a high level.
Abstract:
A virtual switch for providing a network virtualization service and a high-speed switching method of an input packet are provided. A packet is efficiently transmitted at a high speed using information of the input packet between a physical interface and a logical interface or between logical interfaces.