Abstract
Software defined network and network function visualization enhance the network flexibility and management agility, which increase network fragility and complexity. However, the vast majority of network parameters are manually configured, which makes the configuration failures still inevitable. Future networks should be self-configuring, self-managing, and self-optimizing. Intent-driven network (IDN) is a self-driving network that uses decoupling network control logic and closed-loop orchestration techniques to automate application intents. At present, a unified definition of IDN has not yet been presented, and the research background and current status of IDN are not clear. Considering the emerging applications and research of IDN, in this article, we survey existing technologies, clarify definitions, and summarize features for IDN. Specifically, we discuss the basic architecture and key technologies of IDN. In addition, diversity gains and challenges are analyzed briefly. Finally, some future work is highlighted and wider applications of IDN are provided for further research.
Highlights
The network is becoming ubiquitous, shared, and intelligent with the rapid development of the wired, wireless, cloud-based networks, and the Internet of things (IoT)
An Intent-driven network (IDN) is an intelligent network, which can automatically convert, verify, deploy, configure, and optimize itself to achieve target network state according to the intent of the operators, and can automatically solve abnormal events to ensure the network reliability
We describe these definitions as IDN
Summary
The network is becoming ubiquitous, shared, and intelligent with the rapid development of the wired, wireless, cloud-based networks, and the Internet of things (IoT). The traditional network into two functional modules and uses a centralized controller to manage various networks. This programmable architecture makes it easier to drive network innovation and development. Achieving self-management of network and automatic configuration are still quite challenging. Driven by technology and demand, intent-driven networks (IDN) emerged and changed the network architecture and technology, which may affect the network development in the near future [3]. An IDN is an intelligent network, which can automatically convert, verify, deploy, configure, and optimize itself to achieve target network state according to the intent of the operators, and can automatically solve abnormal events to ensure the network reliability.
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