An SDN-assisted carrier-grade network address translation service framework for 5G core networks

Yixiao Fan; Wenkang Jia; Yunping Wu

doi:10.1117/12.3029190

6 May 2024 An SDN-assisted carrier-grade network address translation service framework for 5G core networks

Yixiao Fan, Wenkang Jia, Yunping Wu

Proceedings Volume 13107, Fourth International Conference on Sensors and Information Technology (ICSI 2024); 131072K (2024) https://doi.org/10.1117/12.3029190
Event: Fourth International Conference on Sensors and Information Technology (ICSI 2024), 2024, Xiamen, China

Abstract

With the proliferation of home Internet devices and the looming specter of IPv4 address depletion, Internet Service Providers (ISPs) are resorting to large-scale Carrier-Grade Network Address Translation (NAT) deployments as a viable solution. While IPv6 addresses offer a long-term remedy, the coexistence of IPv6 and IPv4 remains a short-term reality, underscoring the continued significance of NAT. Software-Defined Networking (SDN) is renowned for its flexible management and configuration features. Integration of NAT functionality within SDN controllers streamlines the process of NAT traversal. This paper introduces the service framework of two operational modes tailored for common NAT application scenarios. The modes encompass intranet-to-extranet operation and intercommunication between different intranets. In our proposed framework, controllers and switches assume dual roles as proxy servers and NAT gateways, ensuring the network delivers efficient services while seamlessly adapting to evolving 5G core network demands.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yixiao Fan, Wenkang Jia, and Yunping Wu "An SDN-assisted carrier-grade network address translation service framework for 5G core networks", Proc. SPIE 13107, Fourth International Conference on Sensors and Information Technology (ICSI 2024), 131072K (6 May 2024); https://doi.org/10.1117/12.3029190

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