In some cases, many Tasks may be required to complete a single Request.
在某些案例中，许多任务被要求来完成一个单一的请求。
2
So a good virtualization system has an ability to measure the cost of each different type of request in terms of computing power required to process the request.
因此，一个好的虚拟化系统应能够根据处理请求所需的计算能力来度量每个不同请求类型的成本。
3
Once the service request receives the required approvals, the deployment process can begin.