Cisco Cisco Intercloud Fabric for Provider White Paper

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Figure 7. Cisco Intercloud Fabric Director Cloud Virtual Machine Catalog Item

Migrating the Virtual Machine to the Cloud

In addition to providing the capability to deploy a virtual machine in the cloud directly, the director allows

customers to move an existing virtual machine from their private cloud to the public cloud. In the case of the e-

business application under discussion in this document, this feature is useful when:

●

Migrating a CPU-intensive virtual machine to the cloud to free local data center resources

●

Migrating all the virtual machines in the Apache and PHP tier to the cloud and allowing customers to access

the application directly from the cloud

During migration, the director exports, converts, uploads, and powers on the virtual machine in the cloud and

inserts the intercloud agent and encryption keys. By default, the local data center virtual machine is shut down

when the migration is initiated and can remain in the private cloud in a powered-off state or be removed. This

behavior can be modified if needed.

Application Operation

Assume that an application is deployed using the configuration parameters discussed previously, and that

application servers are positioned in a customer data center so that the end users access the application directly

through the customer data center. When the load on the existing front-end Apache and PHP servers increases, the

application administrator can log into the director and bring up additional front-end servers using the predeployed

template in the public cloud. The intercloud fabric extender and switch provide a secure Layer 2 extension enabling

communication between the front-end and back-end servers using the router at the data center. If the administrator

chooses to release the resources in the local data center, all the front-end virtual machines can be migrated to the

cloud.