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Sprint Launches C3PO Open Source Project for the Packet Core

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5/16/2017
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SAN JOSE, Calif. -- Sprint (NYSE: S) today announced the availability of C3PO (Clean CUPS Core for Packet Optimization – CUPS: Control & User Plane Separation), an open source NFV/SDN-based mobile core reference solution designed to significantly improve performance of the network core by providing a clean, streamlined, high-performance data plane for the packet core.

“C3PO revolutionizes the network core and it’s part of our expanded toolbox of solutions to meet the coming wave of data in the years ahead,” said Günther Ottendorfer, Chief Operating Officer – Technology, Sprint. “C3PO is an important part of our NFV and SDN initiative, enabling Sprint to adapt more quickly to market demands and scale new services more efficiently and cost-effectively.”

C3PO uses standard high-volume server hardware and streamlines mobile core architecture by collapsing multiple components into as few network nodes as possible. In lab tests conducted on Dell EMC DSS 9000 rack scale infrastructure with compute sleds running dual socket 14 core Intel® Xeon® processors E5-2680 v4, Sprint achieved 1.63 Mpps (million packets per second) throughput. This C3PO configuration demonstrated high efficiency by utilizing as few as seven processor cores - with one packet processing core and six processor cores supporting other tasks such as Control Plane, statistics, load balancer, operating system and other operations, for 500,000 subscribers using a typical Sprint traffic model. A similar C3PO configuration achieved 2.2 Mpps with a similar traffic model for 50,000 subscribers.

The availability of the solution is the result of four years of collaboration between Intel Labs and Sprint on a joint research effort to develop optimal DPDK-based data plane nodes and disaggregated evolved packet core architectures, as well as a platform for further 5G core infrastructure research.

Sprint Corp. (NYSE: S)

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