Rakuten Mobile announced that it has completed the connection of mobility management entities (MMEs) with KDDI for its 4G roaming services through the S10 interface.

The LTE roaming service, defined by 3GPP and based on the S10 signaling interface standard, connects mobility management entities (MMEs) between Rakuten Mobile and KDDI. The MMEs track relevant user data sessions to ensure a smooth handover from one operator’s network to the next. The data path will be managed by connecting the KDDI network with Cisco’s System Architecture Evolution Gateway VNF which supports a Control and User Plane Separation architecture.

“With the launch of our S10 roaming service, we are setting a new experience standard for service and device continuity over multiple networks,” said Tareq Amin, Representative Director, Executive Vice President and CTO, Rakuten Mobile. “With KDDI’s collaborative support, Rakuten Mobile and Cisco are showcasing new ways to combine our technology and talent to bring big benefits to the people who rely on our networks to stay connected every day.”

“Adding S10 handover between Rakuten Mobile and KDDI offers Rakuten Mobile subscribers a seamless mobility experience with undetected transition as they move between networks,” said Jonathan Davidson, Senior Vice President and General Manager of mass Scale Infrastructure, Cisco. “This functionality is rare to activate between operators, and we are proud to have come together on the vision to build, test, and make this happen in record time. With the industry-leading cloud-delivered mobile packet core, Cisco continues to redesign mobile networks to support the internet of the future.”

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