Business requirements, particularly cost constraints, determine the extent to which you must work within the existing infrastructure or whether it is feasible to upgrade the network infrastructure, hardware, and software.

• 业务需求(尤其是成本约束)决定了您在多高程度上必须工作在现有的基础结构内,或者升级网络基础结构、硬件和软件是否可行。