Patent attributes
Approaches are disclosed for enabling owners of virtual computing resources to specify one or more constraints for their virtual machines and/or virtual networks, with respect to metrics such as cost, latency, throughput, network bandwidth, power usage, server availability, data redundancy, correlated failure susceptibility, and other such metrics. A customer can declare a set of constraints with metrics goals for their virtual machine instance or network of instances, and the service provider can optimize the placement (e.g., host selection) and various settings (e.g., hardware and software settings) to satisfy the specified constraints. The satisfaction of customer-specified constraints may need to take into account what other virtual machine instances are performing in the shared resource environment.
