March 26-29, 2018 - Los Angeles, CA
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Wednesday, March 28 • 4:50pm - 5:40pm
Offloading VNFs to Programmable Switches Using P4 - Carmelo Cascone & Uyen Chau, Open Networking Foundation

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Today operators can buy high-performance switches that are entirely programmable and use languages like P4 to program their behavior. This offers excellent opportunities for NFV architectures, as it can improve performance and costs, by moving some of the virtualized network functions (VNF) from the slower servers to the switches. We present our experience building a variant of the CORD architecture for the mobile use case, in which user traffic is processed uniquely on a multi-terabit programmable switching fabric. For this purpose, we built a P4-enabled CORD fabric and implemented on it the LTE’s Serving and Packet Gateway, using P4 to provide capabilities for GTP termination, filtering, and billing. This talk will present benefits and challenges of VNF offloading to programmable switches, cover design principles of a P4-enabled CORD fabric, and discuss plans for other CORD use cases.

avatar for Carmelo Cascone

Carmelo Cascone

MTS, Open Networking Foundation
I'm a Member of Technical Staff at Open Networking Foundation (ONF) where I'm currently leading the technical activities around the adoption of programmable data planes, P4, and P4Runtime in ONF projects such as ONOS and CORD. This is a community-driven effort part of the P... Read More →
avatar for Uyen Chau

Uyen Chau

Member of Technical Staff, ONF
Member of Technical Staff at Open Networking Foundation working across the ONOS, CORD, and VOLTHA platforms. Previously worked at Hewlett-Packard Enterprise as a Principal Engineer responsible for System Architecture across a wide range of HPE Networking products for Enterprise, Campus... Read More →

Wednesday March 28, 2018 4:50pm - 5:40pm PDT
Wilshire Grand Ballroom II