Modern enterprises can benefit in many ways from the creation of VNs and the virtualization of network services. Network virtualization capabilities must be considered as a key network service when defining the network strategy for an enterprise. Existing business pressures and the potential to enable change in business processes make network virtualization relevant in the agenda of any IT discussion. This chapter has explored some of the business requirements that are driving the virtualization of the network, including the following:
VNs can be created in a number of ways. The sophistication of the technique used directly correlates with the complexity of the business requirements. |