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The WAN is an important part of the basic platform of the banking network. For a long period of time, the bank's WAN traffic is dominated by traditional transactional services, which is relatively simple, with steady and predictable traffic. The design of the relevant access network is centered around the redundant line hot standby mechanism, and its goal is to meet the requirements of reliability and security.
In recent years, the transformation of outlets has made the composition of WAN traffic increasingly complex, and the proportion of video and voice traffic has increased. The access network is gradually facing the following challenges:
Adapt to the development of financial technology
The deployment of new application scenarios such as biometrics and real-time transmission of multimedia content has led to a further surge in WAN communication throughput and further complexity of traffic composition.
Guarantee the quality of communication services
The design focus of the bank's WAN needs to extend from business continuity assurance to communication service quality assurance to meet the high standards of customer experience for all types of application systems.
Control overall operating costs
Banks have many WAN nodes, and the continuous increase in throughput has led to high communication costs. It is necessary to achieve a more refined flow control and encapsulation mechanism, improve bandwidth resource utilization efficiency and access network management efficiency, and avoid excessively rising operating costs.
Since 2018, Jiangsu Bank has cooperated with Huawei to carry out SD-WAN related joint innovation and POC testing. In early May of this year, it completed the pilot construction of a new generation wide area network within the jurisdiction of Hangzhou Branch.
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