The financial industry backbone network is a primary backbone network that connects data centers, headquarters and branches of financial institutions. It is an important part of IT infrastructure for financial institutions. Traditional backbone network construction and O&M  pay more attention to  meeting business access requirements, ensuring the safe and stable backbone network operation, and  focusing on how to build and monitor the network.

Under the trend of distributed data centers and cloud popularity in today's Bank4.0 era, however, the data flow model of the financial industry has undergone fundamental changes. Rapid business launch on the cloud and interconnectivity have become typical. How to meet the requirements for rapid launch of massive financial innovation business? How to satisfy different users with diversified service experiences? How to meet the requirements for flexible access by financial institutions in complex environment? The reform of basic network architecture has become the only way of digital transformation, and the backbone network, as the key infrastructure for data communications, is the top priority of network architecture reform.

At the beginning of  the new-generation core backbone  network plan, it is required to introduce and use new technologies, so as to meet the needs for rapid deployment of upper-layer business and intelligent traffic scheduling from the perspective of technical planning and architecture planning, and adapt to future business and technology development trends.