Page 60 - SAMENA Trends - November-December 2022

ARTICLE SAMENA TRENDS

roaming will be critical in this transition. Enhanced security with 5G SEPP services. The expanded capabilities of
Additional services like Diameter While 5G continues to transform and 5G will support a wide variety of services
mediation, testing, and troubleshooting enhance mobile connectivity, it’s with various characteristics and needs,
will enable commercial launches of 5G enormous potential and almost unlimited requiring specific policies to be applied.
non-standalone roaming now, while connectivity potential bring about many
helping to set the stage for 5G standalone security challenges by creating an Investing in quality policy
in the future. expanded attack plane. Since security
capabilities are critical for 5G roaming and charging control
The importance of 5G signaling success, it’s essential that current and services that play a serious
Along with the promises that 5G brings solid performing security measures are role in the 5G ecosystem
to the market, it is also predicted to open quickly put in place.
additional opportunities for a massive will provide transparency
influx of “connected” mobile devices such 5G presents a new entity called Security and control over the
as phones and tablets. These connected Edge Protection Proxy (SEPP) to ensure
“things” are designed to improve security for interconnection and roaming consumption of network
efficiencies within prominent business between networks. This may well be one resources during real-time
verticals including manufacturing, of the most important functions on the
healthcare, and utilities. This incursion network, given the huge emphasis on delivery.
will also drive the growth of signaling on security in 5G. SEPP resides at the edge
a massive scale, thus impacting routing, of the network and provides integrity Employing these policies will allow
mediation and interworking functions protection, confidentiality protection, operators the flexibility to design 5G
that addresses load balancing and crucial replay protection, spoofing protection and roaming services based on individual
management capabilities. topology hiding. It is the application that requirements of consumers or enterprises,
aggregates all the roaming interfaces into which in turn will allow them to benefit from
5G introduces a new cloud-native and a single interface, then packages it in a the expanded capabilities of 5G to enhance
web-friendly protocol called HTTP2 to tight encryption layer, and sends it off to the user experience and drive increased
replace Diameter and GTPv2 protocols. the partner operator. It is one of the key revenues. A robust and customizable
Implementing a new HTTP2 based 5G enablers for end-to-end security in 5G. policy framework must therefore be able to
Signaling Controller to enable roaming adapt to these specific applications.
with a 5G Core, specifically for 5G The need to apply policy with 5G roaming
standalone networks, will deliver the real With the predicted influx of more 5G-based Investing in quality policy and charging
5G experiences and market opportunities devices, operators need to prepare their control services that play a serious
beyond Enhanced Mobile Broadband. 5G networks to support this without role in the 5G ecosystem will provide
compromising service quality. This can transparency and control over the
The transition of 4G to 5G be achieved by offering both consumers consumption of network resources during
non-standalone and then to and enterprise customers a diversity of real-time delivery. This will also allow

5G standalone means that
mobile operators will need
to build off of their current
infrastructure, such as IPX
and Diameter Signaling.
As mobile operators start
migrating to 5G, there
is a clear expectation
that solution providers

will ensure their existing
portfolio also evolves in a
timely manner to support
the 5G migration.

60 NOVEMBER- DECEMBER 2022