Cassatt Collage NVS
The new Collage Network Virtualization Service (NVS) allows the Collage optimization engine to automatically interface with network switches and assign multiple networks to a given application or server. Automating the configuration of network resources improves reliability by eliminating error-prone and time-consuming manual operations on network hardware and enabling pooling of resources across network boundaries. It also allows for applications on multiple networks to draw from a single free pool of resources, enabling dramatic increases in server utilization. This capability allows servers to be “harvested” from other networks (such as systems previously dedicated to only test or development) to automatically respond to a disaster or peak load requirements.For Example
A business may require peak financial computing resources at the end of a quarter, but could find that many IT resources are locked into silos on a separate network. Though the resources may reside in the same data center, they cannot be pooled or shared to balance resources, costing the company an opportunity to save hardware and other IT costs. Collage will now allow pooling of physical and virtual resources residing outside such networked silos, making more efficient use of corporate IT capital while dramatically improving reliability and availability. The Collage NVS capability can modify network switches to return resources to a “free” pool across network domains, re-allocate those resources into the desired domain, and then automatically provision them with whatever application is currently experiencing the high demand. The Collage NVS provides organizations with the capability to dynamically configure network switches from Cisco, Dell, Extreme Networks, Nortel Networks and others.NVS Value Summary
- Lowers operational costs by automating time-consuming reconfiguration of the network
- Raises overall asset efficiency by allowing pooled resources even across networks
- Maintains security levels by respecting network topology
- Eliminates the risk of human error in configuring VLAN ports
Virtual Network Technology
Collage makes use of VLANs, which create an additional abstraction inside Internet Protocol (IP) networks. VLAN technology allows switches and routers to control multiple subnetworks-Collage adds the ability to automatically move hardware into and out of these networks. Collage automates VLAN membership by logging
into a switch and reassigning switch port VLAN membership according to the needs of the application a server is allocated to run. (Note that Collage controls only application fabric switches that you explicitly designate.)
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