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Stand-alone 5GC SBA architecture

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Author : IPLOOK
Update time : 2021-04-06 19:03:46

The importance of Stand Alone 5GC Service Based Architecture (SBA) security in delivering vertical applications to #Enterprises and #MNOs.
 

5G enables new business models, ecosystems, and technologies which will allow enterprises and MNOs to grow their business faster than the traditional wireless market. Inherent in the new architecture is the disappearing perimeter & expanding attack surfaces. Securing the network that is going to touch almost every aspect of our lives is critical. It is paramount that we can provide human and IoT communications services in a secure and trusted environment.
 

The benefits and importance of standalone 5GC architecture in delivering ubiquitous and seamless connectivity to the next generation of IoT applications are gradually becoming well understood by the industry.
 

At the same time, 5G enables new business models, ecosystems, and technologies which will allow enterprises and MNOs to grow their business faster than the traditional wireless market. Inherent in the new architecture is the disappearing perimeter & expanding attack surfaces. Securing the network that is going to touch almost every aspect of our lives is critical. It is paramount that we can provide human and IoT communications services in a secure and trusted environment.



At the heart of the standalone 5GC is SBA. The following is a non-exhaustive list of topics that are being considered.
 

♦ Inter-NF Encryption and Integrity protection. (3GPP TS 33.501, TLS, Certificate management.)

♦ Inter-NF Authentication and Authorization. (OAuth)

♦ Signalling Protection (Release 16). i.e. the role of Service Communication Proxy (SECOP). Performing all the above when in communication with its peers (NFs and other SECOPs). Also performing filtering, load-balancing, and protection of signaling traffic (HTTP 2.0).

♦ Exposed Interface Protection. Topics such as network capability exposure (NEF). i.e. NF to NEF (same as above), NEF to 3rd party apps (API security), N33-firewall. Security Edge Protection Proxy (SEPP) and N32 interface.

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