A large company's legacy network is set up with equipment from multiple vendors. The company engaged a network architect to optimize the network for virtualization. The architect must ensure robust and efficient operation, considering the company's immediate needs but also anticipating future network complexities and scalability requirements. The chosen strategy must be capable of integrating seamlessly with existing systems, while providing a pathway for innovation and growth. The solution must facilitate end-to-end service automation throughout the entire lifecycle, and the implementation must ensure the validation, execution, and abstraction of network configurations and services. Which action must be taken to meet the requirements?
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