SoftBank Corp. Succeeds in Providing
World's First Services that Utilize SRv6 MUP
on 5G Commercial Network

SoftBank Corp. ("SoftBank") announced it successfully provided limited services that utilize "Segment Routing IPv6 Mobile User Plane" ("SRv6 MUP") via Fixed Wireless Access on its 5G commercial network. SRv6 MUP is an affordable and easy-to-set-up technology that takes advantage of 5G^*1 features that enable services such as Multi-access Edge Computing (MEC) and network slicing.

SoftBank has been leading the development of SRv6 MUP, which makes it possible to take advantage of 5G features that enable services such as MEC and network slicing at a lower cost and in a way that easier to set up compared to traditional mobile networks. After conducting field trials in February 2023 and conducting various verifications, SoftBank has been developing technology to provide SRv6 MUP on its 5G commercial network. SoftBank succeeded in providing services on a 5G commercial network utilizing SRv6 MUP for the first time in the world^*2 in December 2025. SoftBank plans to expand service areas sequentially, making use of the knowledge gained from this commercial service provision.

SoftBank aims to provide low-latency services made possible by SRv6 MUP to more customers and will continue to develop and verify various commercial service offerings. Furthermore, by collaborating with various technology companies and telecommunications carriers in different countries and regions so they can utilize SRv6 MUP, SoftBank aims to efficiently realize MEC and network slicing.

[Notes]

1. *1
   High-speed, high-capacity 5G (new frequency band) is provided in limited areas. Please see the service area map for details.
2. *2
   SoftBank research (as of December 18, 2025)

SRv6 MUP is enabled by Broadcom Inc. ("Broadcom")'s Broadcom Jericho2 family Routing chipset, and the system utilizes the network operating system "ArcOS" provided by Arrcus Inc. ("Arrcus") and the cloud platform "VMware Telco Cloud Platform" provided by Broadcom.

Shekar Ayyar, CEO and Chairman of Arrcus, said:
"SRv6 MUP from SoftBank is game-changing in its ability to deliver low latency and high-fidelity applications on top of 5G infrastructure. We are delighted to have Arrcus play a key role in partnering with SoftBank."

Oozie Parizer, senior director of marketing, Core Switching Group, Broadcom, said:
"We are pleased to witness our partners, SoftBank and Arrcus, innovate and deploy this groundbreaking shift in Fixed Wireless Access backhaul technology. Their implementation of SRv6 Mobile User Plane brings significant cost reductions and simplifies network complexity in this rapidly expanding sector."

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